Duo mobile alternatives

Free 25 alternatives

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Duo mobile is a modern app designed to secure your online presence with its two-factor authentication and other security features. The app makes you log in more secure by generating passcodes for login and receive a push notification for one-click authentication. Duo Mobile’s access security can shield every application from compromised credentials and devices, and its comprehensive coverage helps you meet compliance requirements with ease. It natively integrates with applications to provide flexible, user-friendly security that’s quick to roll out and easy to manage.

Duo Mobile supports multiple authentication controls from push notifications to biometrics and passcodes while maintaining a consistent user login experience. You can deny an unfamiliar login attempt and easily stop false attempts to access your data. You can also generate time-based one-time passcodes and type them into your login prompt to complete the two-factor authentication process. All in all, Duo mobile is a great application for all your online password protection needs.

Ranked alternatives

1
andOTPFree
andOTP is an open-source 2-factor authentication app that lets you set up password protection via time-based one-time passwords. You can simply scan the QR code that has a six-digit code for directly accessing your login. The passwords are set in two ways. One is via Android KeyStore, and the other is via Pin or password. The app has a minimal UI design with a dark theme.
A highlighting feature of andOTP is multiple backup options, including plain text, password-protected backups, and OpenPGP-encrypted backups. It keeps your account information safe by storing your cryptographic keys in an enclave of the phone’s hardware. The hardware-based security is much more reliable than software-based, and that is where the andOTP gets an edge. All in all, andOTP is a great app that you can use to protect your backup keys.
andOTP alternatives
2
Aegis AuthenticatorFree
Aegis Authenticator is a two-factor authentication app just like an alternative to Google authenticator and Authy. The main focus of this app is back up and security. It stores your one-time password in a vault which is encrypted by strong cryptography. This benefits you when a malicious attack happens, and the hacker has access to your vault. The encryption will prevent a hacker from accessing the vault content without knowing the password. Even if the password is known, the two-factor authentication triggers every time someone tries to access the vault. A highlighting feature of Aegis Authenticator si the biometric unlock support like fingerprint or face unlock.
To make sure you don’t lose access to online accounts, it creates automatic backups of the vault to your pre-defined location. Aegis Authenticator has multiple organization options to make finding the one you need at a specific moment easier. If you have too many accounts, you can make custom groups and sort them for your ease.
Aegis Authenticator alternatives
3
OTP AuthFree
OTP Auth is an app that lets you add two-factor authentication to your iPad and iPhone. Some highlighting features include iCloud encryption, Siri support, apple watch support, notification center widget, a browser extension for pasting the password into websites, app security by using FaceID or fingerprint, and import your encrypted accounts from iCloud, AirDrop, Mail, or Dropbox. The data is encrypted with AES-256 bit encryption.
The app works offline and can encrypt locally stored data as well as data stored online. It doesn’t need access to other resources except for storage and doesn’t store information in its servers. OTP Auth fully respects your privacy. Your accounts are not sent to any server, no ads are shown, and no user data is collected. All in all, OTP Auth is a great encryption app that you can use to protect your data and passwords.
OTP Auth alternatives
4
Authenticator PlusFree
Authenticator Plus is a two-factor authentication app that lets you seamlessly synchronize data between Android phones, tablets, iPhone, Android watch, Apple Watch, and iPad. It encrypts the data with 256-bit AES encryption and sets a PIN lock for additional security along with the hardware-backed encryption. The hardware-level security secures the data even if the phone is rooted. Additionally, fingerprint or Face ID can be set to unlock the accounts.
The accounts can be arranged in custom groups that help you find the related account easily. Other features are changing the theme, importing from Google Authenticator, WinAuth support, and automatic backup or restoring your data into the cloud storage. All in all, Authenticator Plus is a great app that lets you secure your accounts with encryption.
Authenticator Plus alternatives
5
AuthenticatorFree
Authenticator is an app that allows you to generate a single password code for one-time use. The password can be a combination of alphabets, numeric, or alphanumeric keys. The app works in offline mode, but some features work with the internet. The app lets you backup your account credentials and login information into cloud storage like Dropbox, Google Drive, etc. The backup can be transferred to another phone or share with your shared account partners. This transferring feature comes in handy if you buy a new phone and do not want to reset your two-factor authentication for each account.
Authenticator doesn’t store your account credentials in its servers, and as the data is encrypted with 256-bit AES encryption, it is impossible for a third person to access your details. Other notable features include dark theme support, copying one-time codes to clipboard, recognize accounts from their icons, backup and restore, and sharing account details with a QR code. All in all, Authenticator is a great encryption app that you can consider among its alternatives.
Authenticator alternatives
6
Tofu AuthenticatorFree
Tofu Authenticator is an open-source easy to use two-factor authentication app that lets you secure your accounts with one-time passwords. The app is designed to work natively with iOS. The app doesn’t require an internet connection as it stores the keys in the phone’s hardware-based security enclave. The passwords can be used together with your normal password when you sign in to services like Google, Dropbox, Amazon, Facebook, and GitHub. The account passwords can be embedded into a QR code to share with other account users.
A search feature is also there to quickly search for the account you are looking for. Additionally, you can add them in categorized folders for easy access. It supports time-based and counter-based one-time passwords with up to 8 or 6 digits using SHA1, SHA256, and SHA512 algorithms. All your account details are stored with 256-bit AES encryption. All in all, Tofu Authenticator is a great account security app that you can use for an added layer of security.
Tofu Authenticator alternatives
7
TOTP AuthenticatorFree
TOTP Authenticator is an app that lets you add an additional layer of security to your existing account and secure your online presence from hackers. The app allows you to rapidly and easily secure your accounts by adding two-factor authentication for best in class security practices. You can create one-time passwords to use with the combination of the actual account password. This added layer of security helps make your account like a bulletproof jacket. The password is provided in the form of a QR code which is also shareable.
A highlighting feature of TOTP Authenticator is the iCloud sync which backup all your keys to your cloud account so you never lose your keys even if your device is stolen, lost, or breaks. The browser extension makes the operation much easier on the desktop by entering the codes with one tap rather than manually typing it. Multi-platform support allows you to seamlessly sync across multiple mobile platforms. The app creates a backup in online storage as well as on local storage without needing of internet connection.
TOTP Authenticator alternatives
8
Raivo OTPFree
Raivo OTP is an open-source two-factor authentication app that lets you create a one-time password for your online accounts. Some highlighting features of this app include QR code scan for automatic OTP, custom icons for OTPs, show current and previous token, search using powerful search capabilities, export passwords as a ZIP file, and much more. Securely backup your accounts on your iCloud. This ensures that even if you reinstall the app or lose the phone, all your data can be recovered in seconds.
The app works without any internet connection, which keeps your data safe from any online manipulation. You can also add a security pin or set a fingerprint lock to prevent unauthorized access to the app. You can easily transfer and use your accounts across other iOS devices. In short, Raivo OTP lets you back up your data on a device and simply restore it on any device running the TOTP authenticator.
Raivo OTP alternatives
9
OTPClientFree
OTPClient is an open-source program that lets you create one-time passwords for your online accounts, saves them, and make backups in either cloud or local storage. It supports both HMAC-based One-Time Passwords and Time-based One-Time Passwords. Some highlighting features include support for custom keys ranging from 4 to 10 digits, setting a custom period between 10 and 120 seconds, support for SHA1, SHA256, and SHA512 algorithms, and steam code support.
It is a cross-platform supported application that can import an encrypted backup from other authentication apps. Besides online, the local database is also encrypted with the AES256-GCM algorithm. The keys are derived using PBKDF2 with SHA512 and more than 100k repetitions. The decrypted file is never saved on the disk. While the app is running, the decrypted content resides in a secure memory buffer.
OTPClient alternatives
10
Open AuthenticatorFree
Open Authenticator is an app that allows you to add two-factor authentication to make your online account logins more secure. The app works without the internet, so your data is saved and isn’t being saved on the server. The app lets you backup your account credentials and login information into cloud storage like Dropbox, Google Drive, etc. The backup can be transferred to another phone or share with your accountability partners. This transferring feature comes in handy if you buy a new phone and do not want to reset your two-factor authentication for each account.
Other notable features are multiple language support, multiple account support, and automatic setup via QR code. All in all, you can consider the Open Authenticator app as a good option to add a layer of security to your online accounts.
Open Authenticator alternatives
11
ItsmeFree
Itsme is an app that works as your digital ID and secures your login data with its security features. This eliminates the hassle of remembering the long list of usernames and passwords or every single website you are using. You can simply enter your five-digit Itsme code rather than a card reader to complete your digital actions. It is a qualified electronic signature that replaces your handwritten signature and will make your life easier and removing the hassle of paperwork.
The app works offline, and there is a database of Itsme, so your data isn’t stored anywhere. You are the only person that knows the five-digit code. You can also enable the fingerprint or face unlock option if you don’t like to type passwords repeatedly. All in all, Itsme is a great tool for securing your online accounts.
Itsme alternatives
12
UNLOQFree
UNLOQ is a two-factor authentication app that lets you add a security layer to your online accounts. It offers three types of authentication systems, including email login, multi-factor authentication through push notification, and multi-factor authentication via One Time Password. With its transaction authorization feature, companies can send push notifications on your phone before a digital action is performed.
This helps you protect sensitive actions performed on applications like financial transactions or online payments. Moreover, it also provides personal encryption keys for the data stored in your local storage. All in all, UNLOQ is a great security application that you can consider among its alternatives.
UNLOQ alternatives
13
Invantive AuthenticatorFree
Invantive Authenticator is a two-step verification solution for use with TOTP-protected websites and products. You can easily add accounts by pasting a QR code generated by the application or dropping multiple images of QR codes on the main area. The secret keys are automatically added to the list, and duplicate secret keys are detected and managed. You can generate six-digit passwords, and non-standard TOTP accounts with more than six digits can also be configured. This includes settings for the time-based generation interval, secret key size, password length, the start of epoch, and algorithm.
The app also includes a list of many pre-defined icons using TOTP for authentication. To improve information security further, the relationship with these parties can be made untraceable by using an identicon. It supports TOTP according to RFC 6238 and provides additional export/import options. All in all, Invantive Authenticator is a great tool for securing your accounts and save login credentials.
Invantive Authenticator alternatives
14
Obsidian – Elegant OTP AuthenticatorFree
Obsidian – Elegant OTP Authenticator is an app that you can use as your personal wallet for all your One Time Passwords. It helps you securely store all your tokens in one place. The app’s algorithm relies on Apple’s iCloud Keychain to share data between devices. There is no third-party server where your tokens are stored or pass by. It does not collect data nor require a sign-up to function and syncs your data between your iOS and macOS seamlessly.
The app supports data import from Google Authenticator. You can migrate all your tokens from Google Authenticator automatically as QRCode and simply scan it with Obsidian – Elegant OTP Authenticator. The app allows you to synchronize the vault across your protected Apple devices. So, iPhone, iPad, and MacBook Pro all have the same information.
Obsidian – Elegant OTP Authenticator alternatives
15
Hydro RaindropFree
Hydro Raindrop is a security app that helps you secure your payments, accounts, and transactions with its state-of-the-art blockchain and cryptography platform. This eliminates the hassle of storing or remembering all the login credentials and private keys of different accounts. Hydro Raindrop instantly verifies yourself anytime and anywhere in the world. It is a one-stop solution for securing your accounts from hacking and malware attacks.
Additionally, if your phone gets stolen or you lose it, the accounts can be recovered in a matter of minutes as it automatically backs up your data on the assigned cloud storage. It uses the Ethereum blockchain to secure your identity. Your account consists of a secure key pair linked to a unique HydroID, stored on our smart contract. All in all, Hydro Raindrop is a great app that you can consider for securing your sensitive online actions.
Hydro Raindrop alternatives
16
CryptoPhotoFree
CryptoPhoto is an app that lets you add a layer of security to your online accounts with its two-factor authentication and other security features. The passwords and keys are stored with AES-256 bit-level end-to-end encryption that not only prevents the attack from hackers but saves your data from being stored on any third-party storage. It provides a fast and simple way to log in to multiple websites without needing to remember each website’s accounts credentials. This not only saves your time but also secures it from phishing, malware attack, and hacking.
The app also prevents your accounts from being hacked by Trojans and key loggers. Its multi-factor authentication works in both directions. CryptoPhoto’s list of plugins, sample downloads, APIs, and extensive documentation helps you add new high-security features to your products and services. All in all, CryptoPhoto is a great tool to secure your online passwords and accounts.
CryptoPhoto alternatives
17
VoiceProtectFreemium
VoiceProtect is an app that helps you secure your account with its three-factor authentication. Unlike other apps that provide 2-factor authentication, this app is designed to use the most sensitive information and account credentials. It provides comprehensive hack protection for the bank, crypto, remittance, and investment accounts. The data is encrypted with 256-bit AES encryption, which means it is impossible for a third person to access your details.
You can use strong authentication for personal data such as photos, video, email, file-sharing, and social networking accounts. You can either set a custom passcode or use biometrics like FaceID and fingerprint for authentication. All in all, VoiceProtect is a great app for all your account security needs.
VoiceProtect alternatives
18
QuickAuthFree
QuickAuth is a Google Authenticator for Pebble smartwatch that allows you to store up to 16 keys at a time for all your online accounts. The characters you use can go up to 20 maximum characters with the combination of alphabets and numeric. This helps you protect your accounts as well as eliminates the hassle of memorizing all your passwords. As most of the websites are providing a feature to log in with just a code, you can quickly open up your watch, see the code and enter the account without any hassle. After you have set up the keys, they will be uploaded and saved on the watch.
QuickAuth alternatives
19
2FA Authenticator (2FAS)Free
2FA Authenticator (2FAS) is a two-factor authentication app that lets you create a one-time password for your online accounts. Some highlighting features of this app include QR code scan for automatic OTP, custom icons for OTPs, show current and previous token, search using powerful search capabilities, export passwords as a ZIP file, and much more. It lets you securely back up your accounts on your iCloud. This ensures that even if you reinstall the app or lose the phone, all your data can be recovered in seconds.
The app works without any internet connection, which keeps your data safe from any online manipulation. You can also add a security pin or set a fingerprint lock to prevent unauthorized access to the app. You can easily transfer and use your accounts across other iOS devices. In short, 2FA Authenticator (2FAS) lets you back up your data on a device and simply restore it on any device running the TOTP authenticator.
2FA Authenticator (2FAS) alternatives
20
Yandex.KeyFree
Yandex.Key is an authenticator that allows you to generate one-time passwords for your online accounts like Google, Facebook, Yandex, Dropbox, GitHub, and other services that have a two-factor authentication feature. In short, this allows you to log in to your account with a one-time short password instead of remembering your whole password. Only four digits are required instead of a complex combination. Yandex.Key protects your accounts from malicious attacks and your data being stolen.
The accounts can be added either manually or by scanning the QR code that the website provides. The app doesn’t need an internet connection, so there is no waiting for SMS arrival or things like that. Moreover, the key can update one-time passwords at different intervals, like once every 30 seconds. The protocols it supports are RFC 6238 and RFC 4226. You can store the keys in Yandex’s online and restore them in case something happens to your device.
Yandex.Key alternatives
21
Step TwoFree
Step Two is an intuitive two-step verification app designed with a minimal friendly interface to quickly set up one-time passwords for your online accounts. The app uses iCloud to safely backup your codes so you can access the keys from any device and anytime you want. Step Two also comes with a Safari browser extension that makes accessing the keys much easier and quicker even on desktop and keeping them secure at the same time. The app works with any online account that features Time-based one-time passwords like Google, Facebook, Twitter, Amazon, etc. All in all, Step Two is a great app for your account’s security and saving login times.
Step Two alternatives
22
ProtectimusFree
Protectimus is a two-factor authentication platform designed for cloud applications. It allows you to set two-factor authentication passcodes for your online accounts that support it. The Protectimus SAAS service is always ready to be deployable without needing any integration plugin. The Protectimus On-Premise multi-factor authentication platform can be installed on local infrastructure or on the client’s private cloud. This helps you have control over confidential information like user data, secret keys, and you can secure the multi-factor authentication server to meet even the most strict security requirements. For example, you can place the on-premise platform on an isolated network without internet access and add additional protection using firewalls.
A feature called multidomain environments helps you set up two-factor authentication for users on different domains within a single organization. Other notable features include an unlimited number of web application integration, geographic filter and time filter, event notifications, analytical tools, statistics and reports, and alternative methods of OTP delivery.
Protectimus alternatives
23
SoundLogin AuthenticatorFree
SoundLogin Authenticator is a two-factor authentication app that generates a one-time passcode for your online accounts that support 2FA. The platform offers services for social platforms like Facebook, Google, YouTube, Twitter, as well as hosting services like GitHub, Amazon Web Services, Zendesk, and Rackspace. Other than that, it also provides a 2FA feature for cryptocurrency platform Coinbase, productivity suites, and banking services. SoundLogin Authenticator also has a browser extension that makes logging into your accounts from the desktop much easier. Another notable feature is the encryption that you can enable to additionally protect your mobile-to-browser acoustic channel.
SoundLogin Authenticator alternatives
24
Token2 Mobile OTPFree
Token2 Mobile OTP is an app that you can use for two-factor authentication and generate one-time passcodes for your online accounts. This platform helps you secure your accounts, removes the hassle of memorizing long passwords, and saves login time. Additionally, you can set pin codes that are valid for 60 seconds, and the expiration time will be shown on the screen. Token2 Mobile OTP allows you to log in to your account with a one-time short password instead of remembering your whole password.
It protects your accounts from malicious attacks and your data being stolen. By default, the application is set to clear both PIN entered, and OTP generated every 100 seconds. The app generates OTP using Token2 Mobile OTP’s proprietary algorithm, which is RFC 6238. All in all, Token2 Mobile OTP is a great app that you can consider among its alternatives.
Token2 Mobile OTP alternatives
25
FreeOTP+ (2FA Authenticator)Free
FreeOTP+ (2FA Authenticator) is an open-source two-factor authentication app that lets you create One Time Password for your online accounts, including Google, Facebook, Evernote, GitHub, and many others. It adds an additional layer of security for your online accounts. The OTP it generates can be used in conjunction with your normal password to make your login nearly impossible to hack. These passwords can be generated even when your phone is in airplane mode.
You can also use FreeOTP+ (2FA Authenticator) for your private corporate security if they implement the standardized TOTP or HOTP protocols. All in all, FreeOTP+ (2FA Authenticator) is a useful security app that you can consider among its alternatives.
FreeOTP+ (2FA Authenticator) alternatives