Google Authenticator is a software token that enables two-step verification using time-based one-time passwords (TOTP) and HMAC-based one-time passwords (HOTP).
Best Step Two Alternatives ranked by AI · updated Aug 2026
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Step Two is an iPhone, iPad, and Mac authenticator that generates TOTP codes and syncs them through Apple iCloud. It targets Apple users who prefer a focused, native alternative to Raivo without adopting a broader security suite.
Top 6 Step Two alternatives
2FAS is a free two-factor authentication app for Android and iOS, with browser extensions and optional cloud backup. It supports TOTP codes...
Pros
- Available on Android and iOS, unlike Tofu Authenticator's Apple-focused coverage
- Browser extensions make desktop sign-ins faster than manually copying codes
- Free, privacy-oriented, and supported by an open-source codebase
Cons
- Its browser workflow adds more components than Tofu's simpler mobile experience
- Some users may prefer encrypted account sync over device-specific backup flows
- Fewer enterprise identity features than Microsoft Authenticator
Raivo OTP was an open-source iOS authenticator for generating time-based one-time passwords. It supported encrypted backups, cloud synchronization, custom icons, and importing...
Pros
- Encrypted token backups and export options
- Custom service icons made accounts easy to identify
- Open-source iOS implementation
Cons
- No longer maintained or available through the App Store
- Designed primarily for iPhone and iPad
- No active support or reliable recovery path for existing users
Free (discontinued)
Microsoft Authenticator offers two-step verification for Microsoft accounts and supports push notifications for easy authentication.
Pros
- Push notifications
- Microsoft account integration
Cons
- Limited to Microsoft services
5
Ente Auth
Ente
Ente Auth is an end-to-end encrypted authenticator for Android, iOS, and desktop platforms. It syncs TOTP secrets across devices and supports encrypted...
Pros
- Cross-platform encrypted sync is more flexible than Tofu's Apple-centered ecosystem
- Supports encrypted backups and recovery without exposing TOTP secrets to Ente
- Clean migration path for users moving between mobile and desktop devices
Cons
- Requires more trust in a hosted synchronization service than local-only storage
- Its account and backup model is more involved than Tofu's minimal setup
- Desktop availability and features may vary by platform
6
Bitwarden Authenticator
Bitwarden
Bitwarden Authenticator generates and stores two-factor authentication codes on mobile and desktop devices. It is suited to people who want an authenticator...
Pros
- Convenient for Bitwarden users who want passwords and TOTP codes in one ecosystem
- Available across major desktop and mobile platforms
- Benefits from Bitwarden's established security tooling and open-source development
Cons
- Combining passwords and second factors can reduce separation between authentication layers
- The most integrated workflow is less useful for people who do not use Bitwarden
- Some Bitwarden features require a paid plan
Free; Bitwarden plans from $1/mo
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