On the recordRead 4 Oct 202619 facts
4OTP
Plans and prices
Free apps
Free
TOTP authenticator · Encrypted local storage · Encrypted backups · Offline use
Read 22 Sep 2026 · 4otp.com
4OTP Sync
$36a year
Up to 50 devices · Windows, macOS, iOS, Android · sync history
Read 4 Oct 2026 · 4otp.com
4OTP apps
Free
Windows, macOS, iOS, Android · no ads or tracking
Read 4 Oct 2026 · 4otp.com
On the record
- Code management
- The app supports code search, pinning, renaming, automatic icons, next-code display, and recovery of deleted codes.4otp.com · read 4 Oct 2026
- Code type
- totp4otp.com · read 22 Sep 2026
- Device limit
- The Sync plan supports up to 50 devices.4otp.com · read 4 Oct 2026
- Encrypted backup
- Yes4otp.com · read 22 Sep 2026
- Encrypted backups
- Users can export codes in a fully encrypted backup file and restore that file on another device.4otp.com · read 4 Oct 2026
- Encryption
- The maker says 4OTP encrypts data on the device using a password-derived key and AES-GCM, and uses end-to-end encryption for Sync.4otp.com · read 4 Oct 2026
- Import and export
- Users can import codes from Google Authenticator and export codes to Google Authenticator or compatible apps.4otp.com · read 4 Oct 2026
- Languages
- The apps include 22 languages, with device-language detection and an option to choose a language in settings.4otp.com · read 4 Oct 2026
- Maker and Linux
- The About page identifies Weeblr as the maker and says Linux support is a goal, but is not available currently.4otp.com · read 4 Oct 2026
- Multi-device sync
- Yes4otp.com · read 22 Sep 2026
- Offline use
- The apps can work offline without an account; an account is used for the optional Sync service.4otp.com · read 4 Oct 2026
- Password recovery limit
- The maker says it cannot decrypt codes without the password, so losing the password means losing access to the codes.4otp.com · read 4 Oct 2026
- Purpose
- 4OTP generates six-digit time-based one-time passwords that change every 30 seconds to help secure online accounts.4otp.com · read 4 Oct 2026
- Sharing and access control
- Users can create separate Sync access keys for devices or other people and delete keys to revoke access.4otp.com · read 4 Oct 2026
- Support
- The maker directs users to email [email protected] and says it will respond as quickly as possible.4otp.com · read 4 Oct 2026
- Supported platforms
- Windows,macOS,iOS,Android4otp.com · read 22 Sep 2026
- Supported versions
- The download page lists Windows 10 or newer, macOS 10.13 or newer, Android 12 or newer, and iOS 16 or newer.4otp.com · read 4 Oct 2026
- Sync history
- Sync records the last 50 changes and lets users revert their devices to a previous code-list version.4otp.com · read 4 Oct 2026