FreqFinder alternatives

Paid 32 alternatives

Official website

FreqFinder app allows users to find out the exact intermodulation values of their new products by entering all the transmitted channels. It suggests you all the channels that are compatible with your new transmitter so you can start enjoying it right away.

It comes up with an easy-to-navigate interface that contains a home screen to help you in scanning for new channels with a single tap. Users can view the TX list from the home screen and can tap on the desired frequency to see its bandwidth. It shows the actual channel number, and you can enable or disable protection to protect it from unauthorized access.

FreqFinder app lets you make in-app purchases so you can buy the TV database add on to search for the desired channel from an extensive database. It also offers features to enable users to find estimate field strength of nearest towers from their current location.

Ranked alternatives

1
FreeFlight ProFree
FreeFlight Pro is an entertainment app that comes up with features to help users in piloting their drones right through their mobile phones and other smart devices. You can personalize its interface according to your skill levels for a more precise piloting experience.
The app provides you with access to advanced flight settings so you can pilot a variety of different drones. It allows users to log in to share their photos, videos, and other data with other users and with friends through a variety of social media platforms.
FreeFlight Pro app offers features that let you pilot your desired drone in the first-person view as well as can view telemetry data right at your fingertips. Users can also back up their data to access it on all their smart devices. It shows battery percentage of the controller, speed, height, and battery percentage of the drone.
FreeFlight Pro alternatives
2
Tello FPVPaid
Tello FPV is a digital first-person trainer that offers features that lets you learn about how to pilot a drone by providing you with a better video Livestream and advanced features. Tello FPV – Control the Ryze Tello drone FPV & RTH app comes up with features to enable users to turn on automatic photo rotation so they can capture perfect photos by automatically correcting tilted horizons. You can also tune each axis according to the expo, rate, boost rate, the limit of the rate, etc.
Tello FPV app also supports virtual reality goggles, and you can adjust the view of the drone footage according to the VR google right at your fingertips. The video screen shows a variety of information including speed, the battery percentage of the drone as well as of controller, speed of internet, speed of air, and options to enable or disable VR mode.
Tello FPV alternatives
3
Drone BuddyFreemium
Drone Buddy app allows users to receive accurate weather as well as planetary information so you can fly the drone without any issues. Users can also get drone-related information and stories right on their mobile phones. It labels signal conditions through a variety of different colors.
Drone Buddy – UAV Safe Wind, Weather, No Fly Zone app also offers features that let you get information about wind speed, KP index, visibility, cloud cover, and sunrise time, etc. Users can turn on their phone’s GPS locator to find the nearest AMA flying club with a single tap.
Drone Buddy-Fly UAV Safe Wind & Drone Pilots Best Friend app also comes up with features to help you in getting weather reports of the desired location by enabling you to search for the location. The settings section provides you with options to change measuring units to imperial or metric according to your needs.
Drone Buddy alternatives
4
Go TELLOFreemium
Go TELLO app provides you with features that enable you to program your drone to execute instructions on move right-left, up, down, forward, and back. Users can also rotate their drones from 5 degrees to complete 360 degrees rotation to capture beautiful images as well as videos.
Go TELLO – programming the drone flight app comes up with features to help you in changing the altitude of UAV with a single tap, and you can also flip the drone in various directions. It lets you change the speed of the drone right through your mobile phone.
TELLO – programming your drone app offers features to allow users to create new movement diagrams by tapping on the plus button as well as they can export diagrams from the phone’s internal storage. You can share pictures with other users and can change measuring units according to your needs.
Go TELLO alternatives
5
TALS TelloAltLimitSetterFree
TALS TelloAltLimitSetter app lets you connect your mobile phone to your drone through the WiFi network so you can pilot it. It shows a variety of different controls such as rotate, go up, go down, and take a 360-degree spin, etc. The app comes up with features to help you in changing the altitude of the drone by manually setting value through a slider control.
It also shows the current altitude of the drone in meter so you can enter the desired value. Users can personalize the interface of the live stream according to their skill level and needs. TALS TelloAltLimitSetter app also enables you to view connectivity type, battery percentage, altitude, and signal strength so you can get to know about the current condition of the drone. It shows a popup when the drone reaches the desired altitude.
TALS TelloAltLimitSetter alternatives
6
TELLO EDUFreemium
TELLO EDU is an app by Wiedu that comes up with features to help users in training themselves about how to fly a drone by playing a variety of different block programming games. You can use remote controls to fly the drone or can also enter values manually to control it.
The app offers an extensive collection of more than 12 different training levels so users can effortlessly boost up with drone flying skills. The remote-control menu shows you the IP address, battery percentage, and current flying mode.
TELLO EDU app also provides users with a built-in remote, which lets you control vertical as well as horizontal movements of your UAV. It allows users to 360-degree flip so they can show off their skills. The app automatically assesses your current learning progress to provide you with training levels accordingly.
TELLO EDU alternatives
7
AirMap for DronesFree
AirMap for Drones app offers features through which you can discover airspace rules as well as advisories according to your current location, or you can also search for the desired location. Users can receive real-time traffic reports of all the nearby air traffic right on their mobile phones.
AirMap for Drones – Fly Safely-FAA LAANC Provider app comes up with rulesets of more than 20 different countries from around the world, including Canada, Japan, Germany, New Zealand, and various others. It allows users to send digital flight notices to all the nearby airports.
AirMap for Drones app also provides you with a variety of different map styles to choose from, and you can toggle between them right at your fingertips. Users can plan a flight path by entering flight time, altitude, and other airspace requirements. You can also view publicly shared flight data at a glance.
AirMap for Drones alternatives
8
FPV FreeriderPaid
FPV Freerider app enables users to enjoy first-person view and line of sight flying of the drone without much of a stretch. You can access the settings section to manually input rates, camera, and physics values. The app offers a 3D mode through which you can also enjoy the inverted flying of a variety of different UAVs. It features four different modes, and users can choose modes on the basis of their drone flying skill level.
You can change screen resolution from the settings section as well as can enable the virtual reality option to enjoy it with Google cardboard. FPV Freerider app comes up with a built-in track generator, which helps you in automatically generating a large number of tracks for free. It also features six different scenarios so you can enjoy the drone flight while staying at home.
FPV Freerider alternatives
9
Drone Harmony PlannerFreemium
Drone Harmony Planner app lets you synchronize your drone with all your smart devices so you can define new flight plans for your drones right at your fingertips. Users can create flight plans to capture stunning cinematographic videos by manually entering values. You can adjust camera settings according to light conditions, environment, and others.
Drone Harmony Planner (DJI Mavic, Phantom, Spark) app comes up with features to help users in creating flight plans by using an automatic mission planer by using a 3D environment. It allows you to create desired flight plans in 4 simple steps so you can capture accurate imagery effortlessly.
Drone Harmony Planner app enables users to draw obstacles so the automatic mission planner can optimize flight plans to avoid the barriers. You can create points of interest to direct the drone’s camera to the desired waypoint. Users can change the speed of UAVs according to their needs.
Drone Harmony Planner alternatives
10
Remote Pilot Drone Test PrepPaid
Remote Pilot Drone Test Prep app allows users to study the test questions for the remote pilot certificate. Users can learn test questions according to different subject categories. You can receive questions, answers, correct answers, and a detailed explanation of each question so you can boost up your knowledge.
The app comes up with three different study modes so you can start learning right away on the basis of your current knowledge level. Users can also create custom test practice sessions by choosing the desired subject categories. It provides you with instant feedback according to your given answer.
Remote Pilot Drone Test Prep app offers a built-in test mode, which automatically generates 60 questions practice sessions from the entire syllabus of the FAA remote pilot test. You can receive instant results after each completed test so you can assess your current progress.
Remote Pilot Drone Test Prep alternatives
11
BLHeli_32Free
BLHeli_32 is an app by Steffen Skaug that comes up with features to help users in configuring their BLHeli_32 ESCs devices right from their mobile phones. You need to connect your mobile phone to the device through a USB connection in order to change ESCs’ device settings.
The home screen lets you change the timing of the motor, PWM frequency, and ramp up power without much of a stretch. Users can enable or disable sine mode, non-damped mode, and auto telemetry from the settings section. You can calibrate the throttle of all ESCs devices by entering minimum, maximum, and center value.
BLHeli_32 app offers a straight forward interface through which users can change various settings of ESCs machines by using slider controls. It enables you to add and manage more than four different ESCs devices so you can control them right at your fingertips.
BLHeli_32 alternatives
12
FreeFlight 6Freemium
FreeFlight 6 app lets you enjoy a smoother drone flight and intuitive piloting experience so you can control your drone right at your fingertips. Users can change the video mode, video capture settings, and speed of the video so they can capture videos according to their needs.
The app provides users with a variety of information at the video stream screen, including altitude, as well as the distance of the drone from your current location in meters. You can view battery percentage and signal strength of drone as well as controller of the drone.
FreeFlight 6 app comes up with professional video settings, which enable users to change white balance, style, frames per second, and Iso, etc. The automatic piloting mode allows you to enable various modes such as dolly zoom or boomerang mode so you can capture videos without piloting the UAV.
FreeFlight 6 alternatives
13
Airdata UAVFree
Airdata UAV app offers features through which users can plan their next drone flight by synchronizing all your drones without much of a stretch. It provides you with notification alerts, so you don’t miss your flight schedule. The data section enables all users to view all their recent drone flights with data such as maximum distance, total distance, time, altitude, and battery percentage.
The app comes up with features to help you in completing pre as well as post-flight checklists so you can ensure the safety of your drone. It shows hourly weather reports with information about the speed of the wind and various other aspects. Airdata UAV app lets you add and manage more than one drone at the same time. You can tap on hourly weather reports to view the Kp index, UV index, visibility, and temperature. Users can synchronize data to a cloud server daily.
Airdata UAV alternatives
14
TelloPaid
Tello is a mobile virtual network provider that provides users with the 4G LTE network coverage. The platform comes with high-quality national and international voice service. Along with individual plans, users can set up their family plans according to their needs. No contracts or commitments are involved, and no hidden activation or termination fees are demanded.
The platform gives users a choice to either change/upgrade their phone or bring their old phone and activate their Tello service. It allows the users to turn their mobile phone into a hotspot with free tethering, and users can share the data with other devices without any charges. Moreover, Tello offers users flexible and transparent services to buy phones or data plans or share their data with other devices.
The platform offers a reward of 10 USD through its ‘refer to a friend’ feature and allows users to build their customized plan in the way they want. Moreover, Tello enables users to upgrade or downgrade their plan without any extra charges anytime, and the plan renews itself automatically after every 30 days. It comes with two different pricing plans, i.e., pay as you go rates and pay as you go credit, while customer support is available through phone and email.
Tello alternatives
15
HD SyncFree
HD Sync app enables you to remotely check the health status of your drone so you can fly it without any issues. Users need to login to use the app, and they can share data of health diagnostics with friends through social media platforms. Airdata HD Sync – Drone healthy app offers two different modes so users can synchronize data right through their mobile phones.
You can enable automatic sync mode to upload the log files in the background automatically. Users can also tap on the sync button to manually upload log files to a cloud server. Airdata HD Sync app comes up with features to help you in checking the status of the drone by entering token so you can verify your UAV. Users can choose the option to sync data of the last 20 flights, last 200 flights, or can also upload data of all flights.
HD Sync alternatives
16
Droid Tesla ProPaid
Droid Tesla Pro is a digital circuit simulator app that provides users with features to allow them to create electric circuit designs so they can perform complicated electronic calculations right at their fingertips. It features various modes, including gear method and trapezoidal method, etc. so you can get stable as well as accurate values of your circuit simulation.
The app comes up with controls to help you in creating the perfect circuit simulation according to your needs by using the iterative process. It enables users to save their current circuit simulation so they can access it later.
Droid Tesla Pro app offers features through which users can view details about electric current in the waveform right on their mobile phones. You can create a circuit to get accurate values of unknown quantities by using a large number of algebraic techniques such as sparse matrix, gaussian elimination, and others.
Droid Tesla Pro alternatives
17
Electronic Component Pinouts FullPaid
Electronic Component Pinouts Full is an app by Adriano that comes up with features to help you in accessing an extensive offline database with information about a large number of electronic components. It lets you add component pinouts to a favorite list so you can view information about them later.
Electronic Component Pinouts app provides you with filters, including by name and by application, so you can search for the desired electronic component. The home screen allows users to access circuits, boards, SMD codes, and search sections. You can tap on a component to view replacements, flash value, ram value, and application.
Electronic Component Pinouts Full app offers an easy-to-navigate interface, which contains a search bar through which you can search for the desired electronic component with a single tap. Users can view necessary information about the searched component, like the number of pins and scientific names at a glance.
Electronic Component Pinouts Full alternatives
18
Mission Planner for INAVFreemium
Mission Planner for INAV is a digital flight planner app that offers features through which users can plan a mission with UVC camera support. You need to turn on the GPS location of your smartphone to create flight plans by dropping pins on the map. The app also allows users to enter altitude, speed, entry angle, and row separation so they can create a survey mission according to their needs. You can also create custom waypoints by typing altitude, latitude, longitude, and speed values.
Mission Planner for the INAV app comes up with a minimalistic design, which helps users in creating a new flight plan in a few simple steps. You can connect your drone to the app as well as can check airspace for any other UAV traffic in your area. It shows battery percentage, current heading value, vertical speed ground speed, and strength of the signal.
Mission Planner for INAV alternatives
19
LC CircuitFree
LC Circuit app enables you to calculate the resonant frequency of circuits by using a capacitor as well as inductor values. Users can also find out a combination of capacitance and inductance of LC circuits to create resonant of the desired frequency.
The app comes up with features to help you in saving combinations of capacitors and inductors as an excel file so you can access it later. Users can input the desired L and C values in the resonant section to calculate frequency in desired units. You can clear the log of all the recently calculated values to save new values.
LC Circuit app offers a straight forward interface, which contains buttons that let you access the circuit, resonant frequency, and component values sections right at your fingertips. Users can manually enter values or can tap on plus and minus buttons to increase or decrease values.
LC Circuit alternatives
20
VEGA ToolsFree
VEGA Tools app provides features that let you wirelessly make adjustments to sensors right through your mobile phone. Users can optimize the display as well as diagnostic features to view the measured values and status of the sensor effortlessly. You can also enter the serial number of the sensor to get all the necessary information about the instrument right at your fingertips.
The app offers features to enable users to scan the QR code or matrix code of the device so they can get general information about it. The settings section allows you to set up new sensors, make adjustments in existing sensors, change display settings, and change the current output of desired devices.
VEGA Tools app comes up with features to help you in configuring sensors according to your needs. Users can also view instructions of operations, test certificates, and safety notes without much of a stretch.
VEGA Tools alternatives
21
Voltage RegulatorFreemium
Voltage Regulator is a digital voltage regulating app that comes up with features to help users in getting a steady voltage by adjusting resistors according to their needs. You can also find a combination of 2 different resistors to get the desired output voltage. The voltage section shows the ambient temperature and the pin current value at a glance.
The app offers features that enable users to save the result file on their mobile phone’s internal storage so they can access it later. You can create basic as well as advanced circuits to get voltage regulation value.
Voltage Regulator app lets you calculate the exact thermal resistance of a heatsink without much of a stretch. Users can also share their result files with friends and other users through various social media platforms. The circuit section enables you to create a circuit so you can find the reference voltage.
Voltage Regulator alternatives
22
Timer IC 555 CalculatorFreemium
Timer IC 555 Calculator is an app by Peter Ho that offers features that let you calculate various types of circuits with a single tap. The built-in file manager allows you to manage all the saved projects, and you can sort them according to date or alphabetical order.
The app comes up with a straight forward interface, which helps you in calculating monostable, a stable, pinout, duty cycle, application circuit, and other circuits. Users can share CSV files with other users through various social platforms. The value section shows you all recent frequency calculations, and you can tap on a clear button to start a new session.
Timer IC 555 Calculator app’s interface contains buttons to enable you to access home, share, file manager, and information sections. You can enter the values of components of the circuit in the frequency section to calculate percentages of duty cycles and the total frequency.
Timer IC 555 Calculator alternatives
23
Radio components calculator++Paid
Radio components calculator++ app enables users to access an extensive help guide so they can create a variety of different resistors. The markings section helps you in indicating various types of inductors, resistors, and capacitors on the basis of their color codes.
Users can tap on the information button to get details about how to indicate electronic devices. The app offers a side panel that lets you access markings, calculations, and pinout sections. The calculation section allows users to calculate resistance, charge, voltage, capacity value, and marking calculations right through their mobile phones.
Radio components calculator++ app comes up with a pinout section to help you in a variety of different pinouts, including USB pinout, RCA pinout, XLR pinout, and TRS pinout, etc. Users can tap on a topic to get information about values of resistors, power dissipation, number of color rings, and the number of led lights, etc.
Radio components calculator++ alternatives
24
ECStudioPaid
ECStudio app provides you with features that allow you to learn about the building of electric circuits and electronic circuit simulation so you can calculate various values of circuits right at your fingertips. The play button enables users to view a live simulation of the circuit.
The app comes up with an extensive collection of guides about how and where to use circuit resources such as connectors, pinouts, and inductors, etc. You can create a circuit diagram to get a visual simulation of results right at your mobile phone’s screen. Users can tap on the undo button to delete the most recent changes in the diagram.
ECStudio app also offers a variety of different mini-books through which users can get detailed explanations about various electrical theorems, laws, as well as circuits. It also visually indicates voltages and current in a circuit so users can get results without much of a stretch.
ECStudio alternatives
25
ATmicro DatabaseFreemium
ATmicro Database is an app by IODEMA that comes up with features to enable users to check the characteristics of all their microcontrollers. You can also search for your microcontroller from an extensive library to read its features. Users can tap on a microcontroller to access their weblink for more information.
The app offer features that let you apply a variety of different filters to your search so you can get accurate results. Users can also sort search results based on name, CPU family, ram, EEPROM, pin, timer, flash memory, and comparators, etc. You can tap on the name of the microcontroller to read its peripheral information.
ATmicro Database app also provides you with features to enable you to get information about the connectivity of the desired microcontroller. Users can view the architecture type of microcontroller and CPU frequency to find the alternative of the microcontroller.
ATmicro Database alternatives
26
PartSeekerPaid
PartSeeker app lets you find your desired electronic parts and components without much of a stretch. Users can also search for electronic components based on their categories. It allows you to view information about the distributor and manufacturer of the item.
The app comes up with features to help you in view detailed specifications of electronic components so you can find parts according to your needs. Users can search for desired parts by entering a keyword or name on the search bar and can apply a variety of different filters for accurate search results.
PartSeeker app offers features through which you can get detailed information about the prices of all products and can get discounts on your favorite items. Users can add items to a favorite list to view them later. You can tap on a product name to view its datasheet and manufacturer page at a glance.
PartSeeker alternatives
27
Circuit JamFreemium
Circuit Jam app provides you with features, so you can effortlessly learn about electric circuits with the help of a large number of graphic simulations right on your mobile phone’s screen. Users can get information about voltage, current, and capacitance. You can view the ambient temperature and value of the current at pins.
The app offers features that let you discover more than ten different circuit components so you can create electric circuit simulations to generate electronic signals. It teaches users how to divide values such as voltages, resistance, and current, etc.
Circuit Jam app comes up with an extensive collection of more 100 different puzzles so users can learn formulas and questions while having fun. You can create new sandboxes as well as can also invert circuits into sandboxes with a single tap. Users can also use the sandbox to simulate various current animations and the working of the circuit.
Circuit Jam alternatives
28
Droid Tesla DemoFree
Droid Tesla Demo app is a digital circuit simulator that enables users to solve basic resistance circuits based on Kirchhoff’s Current law so you can form the matrix according to simulation. You can create various circuit simulation according to your needs by using the iterative process.
The app comes up with features to help you in creating nonlinear circuits by using nonlinear electronic components such as a diode, engine, and BJT, etc. Users can generate circuit simulations to find exact values of unknown quantities by using several different mathematical techniques like sparse matrix, gaussian elimination, and various others.
Droid Tesla Demo app allows you to save your ongoing current circuit simulation so you can access it later. It features various simulation methods such as gear method and trapezoidal method, so users can get stable and exact values of their current circuit simulation.
Droid Tesla Demo alternatives
29
Electronic Components & Circuit calculatorFree
Electronic Components & Circuit calculator is a fantastic app designed for electrical and electronics engineering students and professionals to help them in performing circuit calculations efficiently. The app provides you electronic component references, circuit calculation section, and circuit computations toolbox. It allows you to access details of electronic components and electronic circuits to understand how the electronic component works.
This app includes detailed information of many electronic components such as resistor, capacitor, inductor, transformer, choke, transistor, operational amplifier, electrolytic capacitor, rectifier diode, and many others. Electronic Components & Circuit Calculator App helps electrical or electronics engineering students to prepare their exams.
Users can access many built-in circuit calculations like passive Butterworth filter calculations, resistor color code calculations, series resistor calculator, LCR impedance calculator, inverting amplifier calculator, delta-star, star-delta, current divider calculator, transistor astable multivibrator circuit, and many others. Moreover, the app is simple, free, and easy-to-use.
Electronic Components & Circuit calculator alternatives
30
PICmicro DatabaseFreemium
PICmicro Database app provides features through which you can get information about all the characteristics of PIC microcontrollers so you can choose the best controller right from your mobile phone. The app allows you to sort search results on the basis of ROM type, CPU type, comparators, and flash memory, etc.
Users can also search for their desired microcontrollers from an extensive collection to read its features at a glance. You can tap on the name of a microcontroller to access its weblink with a single tap for more information. It lets you get details about the connectivity requirements of the desired controller.
PICmicro Database app comes up with features to help you in getting information about the architecture type of the microcontroller and the frequency of its CPU to find its alternative. Users can also read peripheral information of the microcontroller by tapping on its name.
PICmicro Database alternatives
31
Electronics Toolbox ProPaid
Electronics Toolbox Pro is a digital electronic calculator app that comes up with features to help you in calculating accurate resistance of resistors in series as well as in parallel circuits. It enables users to calculate the frequency of a stable circuit, so they can find out the combinations of resistance and capacitance to make astable frequency.
It allows users to create the desired resistance so you can find a combination of resistors without much of a stretch. You can enter resistance to calculate various component values of the desired circuit. The file manager enables users to access all their saved files, and they can sort them according to name or date.
Electronics Toolbox Pro app offers features through which you can do a star-delta conversion right at your fingertips. Users can apply Ohm’s law to calculate voltage, as well as the resistance of an electric circuit.
Electronics Toolbox Pro alternatives
32
Droid Circuit Calc ProPaid
Droid Circuit Calc Pro is an app by Piddo apps, offers features that let you create simulations of electronic circuits by using a variety of different electronic calculators. Users can do complex calculations to make their current circuit simulations perfect.
The app comes up with a built-in resistor, and voltage divider helps you in calculating the division of resistance and voltages of the desired electric circuit. It features an extensive collection of more than 20 different calculators so you can measure resistance, resonance, wavelength, and frequency, etc.
Droid Circuit Calc Pro app provides you with a straight forward interface that contains buttons through which you can access calculator, components, resources, circuits, and symbols sections. The built-in charge time calculator enables users to find out the timespan of battery charging. Users can get information about a large number of components right from their mobile phones.
Droid Circuit Calc Pro alternatives