OTP Auth
OTP Auth is a free and open source two-factor authentication app for Android and iOS. It generates timed one-time passwords for use in two-factor systems. It supports both HOTP and TOTP standards and can scan QR codes to easily set up accounts.
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open-source
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hotp
totp
OTP Auth: Free Two-Factor Authentication App
A free and open source two-factor authentication app for Android and iOS, supporting HOTP and TOTP standards with QR code scanning setup
What is OTP Auth?
OTP Auth is a free and open-source two-factor authentication mobile app available for both Android and iOS. It allows users to generate timed one-time passwords that provide an extra layer of security when logging into online accounts.
Some key features of OTP Auth include:
- Open source code and free to use with no ads or tracking
- Supports both time-based (TOTP) and counter-based (HOTP) one-time passwords
- Easy setup by scanning QR codes or entering details manually
- Cloud backup and sync between devices
- Customizable icons and labels for each account
- Secure encryption and pin code/biometric login option
By using OTP Auth for two-factor authentication, users can significantly improve the security of their online accounts like email, banking, social media, and more. The added login step prevents attackers from accessing accounts by only using stolen passwords. Overall, OTP Auth is a recommended open source option for enabling two-factor authentication across devices.
OTP Auth Features
Features
- Generate one-time passwords (OTP) using time-based (TOTP) or counter-based (HOTP) algorithms
- Support for both 6 and 8 digit codes
- Easy setup using QR codes
- Cloud backup and sync between devices
- Open source and free
Pricing
- Free
- Open Source
Pros
Free and open source
Works across Android and iOS devices
Easy setup process
Secure encryption
Customizable interface
Cons
Limited to OTP codes only
No browser extensions
Cloud sync requires account creation
No auto-fill features
Official Links
The Best OTP Auth Alternatives
Top Security & Privacy and Authentication and other similar apps like OTP Auth
Here are some alternatives to OTP Auth:
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