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TOTP Authenticator
What TOTP Authenticator is
TOTP Authenticator is a freemium app that generates on-device one-time codes for app-based two-factor authentication. Its maker says services supporting Google Authenticator 2FA work with it. Accounts can be added by scanning a QR code, scanning an image, or entering a key, and codes work without an internet connection. The app runs on Android and iOS, with a Chrome extension that also works with Firefox. Users can push codes from the mobile app to a browser; only one code is sent at a time, and a later push in the same 30-second period replaces the earlier code. The maker says secrets are encrypted on the device and codes can be protected by biometrics or a four-digit PIN. Cloud Sync backs up accounts to Google Drive on Android and iCloud on iOS. Encrypted offline backups and cross-platform import and export are supported. The free plan costs nothing and includes code generation, mobile access, and widgets. TOTP Premium Features is listed at $5.99, paid once.
Who it suits
It suits people seeking offline 2FA codes on Android or iOS, with optional browser access and backups. Users migrating from another authenticator or SMS must set up 2FA again in this app.
What it does well
- Generates codes without internet
- Encrypts secrets on the device
- Supports biometric or PIN protection
- Offers encrypted offline backups
- Includes Android, iOS, and browser access
What to know first
- Browser push sends one code at a time
- Later pushes replace codes within 30 seconds
- Migrating setups requires setting up 2FA again
- Cloud Sync is part of premium offerings
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| TOTP Premium | Cloud Sync · Browser Push | On request |
| Free | Core authenticator features; unlimited 2FA accounts | Free |
| TOTP Premium Features | Cloud Sync · Chrome extension | $5.99, paid once |
As binaryboot.com lists them, read 21 Sept 2026. The maker's own page has the final word.
Verdict
TOTP Authenticator covers offline code generation, encrypted storage, backups, imports, and browser pushing across mobile platforms. Its free plan handles core code access, while synchronization and extension features are tied to premium offerings.
Facts from TOTP Authenticator's own pages
- Account setup
- Accounts can be added by scanning a QR code, scanning an image, or entering a key. · binaryboot.com, 11 Oct 2026
- Backup and sync
- Cloud Sync backs up accounts to Google Drive on Android, while the iOS listing describes Cloud Sync backups to iCloud. · play.google.com, 11 Oct 2026
- Browser extension
- The extension works with Chrome and Firefox and lets users push codes from the mobile app to a browser. · binaryboot.com, 11 Oct 2026
- Code type
- totp · binaryboot.com, 21 Sept 2026
- Encrypted backup
- Yes · binaryboot.com, 21 Sept 2026
- Founded
- 2015 · binaryboot.com, 28 Sept 2026
- Free plan
- Yes · binaryboot.com, 21 Sept 2026
- Import and export
- The app supports encrypted offline backups and cross-platform export and import; the current Google Play listing also names imports from Google Authenticator exports, Aegis vaults, 2FAS backups, and otpauth links. · play.google.com, 11 Oct 2026
- Languages
- The current Google Play listing says the app is available in 10 languages. · play.google.com, 11 Oct 2026
- Limits
- The extension sends one code at a time, and a later push within the same 30-second period replaces the earlier code. · binaryboot.com, 11 Oct 2026
- Migration limit
- Switching from another authenticator or SMS requires setting up 2FA again with this app; existing setups cannot simply be transferred that way. · binaryboot.com, 11 Oct 2026
- Multi-device sync
- Yes · binaryboot.com, 21 Sept 2026
- Offline use
- The maker says the app generates codes without an internet connection. · binaryboot.com, 11 Oct 2026
- Purpose
- The app generates on-device one-time codes for app-based two-factor authentication. · play.google.com, 11 Oct 2026
- Secret handling
- The maker says the browser push feature does not transfer the secret key to its server or the browser. · binaryboot.com, 11 Oct 2026
- Security
- The maker says account secrets are encrypted on the device and that biometric protection or a 4-digit PIN can protect codes. · play.google.com, 11 Oct 2026
- Support
- The maker directs users to contact [email protected] for help and service compatibility requests. · binaryboot.com, 11 Oct 2026
- Supported platforms
- Android,iOS,Chrome extension · binaryboot.com, 21 Sept 2026
- Supported services
- The maker says services that support 2FA with Google Authenticator work with the app. · binaryboot.com, 11 Oct 2026
Where TOTP Authenticator stands on Freedom251
- Authenticator apps#31 of 111