Comparison · Authenticator apps

Stratum vs Yubico Authenticator: which is better in 2026?

Yubico Authenticator ranks higher in our list of authenticator apps (#3 against #6, score 88.0 against 85.0).

How we rank Share

  • 85.0
    Editorial score
    88.0
  • 1
    Platforms
    5
  • Yes
    Free to use
    Yes
  • Yes
    Open source
    Yes

Which should you choose?

Choose Stratum if you want

Android users who want encrypted local backups.

Android-only and open source under GPL-3.0, with encrypted backups and export you control. It has no iOS or desktop version, so it suits Android users who want local backup files over cloud sync.

Choose Yubico Authenticator if you want

Hardware-key users who want desktop and mobile access.

Open-source companion app for YubiKey keys, with desktop builds for Windows, macOS and Linux and an Android app. It is useful only with a YubiKey, unlike the phone apps above, and its iOS version is a separate app.

The main differences

  • Only Yubico Authenticator runs on Linux.
  • Only Yubico Authenticator runs on Windows.
  • Only Yubico Authenticator runs on macOS.
  • Only Yubico Authenticator runs on iOS.

Side by side

StratumYubico Authenticator
Score85.088.0
Rank in list#6 of 10#3 of 10
PriceFree and open sourceFree and open source under GPL-3.0 for AndroidFree and open sourceFree under Apache 2.0; works with a YubiKey hardware key
Free to useYesYes
Open sourceYesYes
PlatformsAndroidAndroidWindowsmacOSLinuxAndroidiOSWindows, macOS, Linux, Android, iOS
Made byNot statedYubico
Backups and syncEncrypted backup and restore; export at any timeCodes live on the YubiKey; no cloud backup described
Best forAndroid users who want encrypted local backupsHardware-key users who want desktop and mobile access
Strengths
  • GPL-3.0 licensed, with source on GitHub
  • Encrypted backups and export at any time
  • Apache 2.0 licensed, with source on GitHub
  • Desktop apps for Windows, macOS and Linux
Limits
  • Android only, with no iOS or desktop version
  • Backup files are yours to store safely
  • Needs a YubiKey hardware key
  • The iOS version is a separate app
LinksVisit site Visit site

Questions about Stratum vs Yubico Authenticator

Is Yubico Authenticator better than Stratum?
Yubico Authenticator ranks higher in our list of authenticator apps (#3 against #6, score 88.0 against 85.0). Stratum is best for: Android users who want encrypted local backups. Yubico Authenticator is best for: hardware-key users who want desktop and mobile access.
Which is cheaper, Stratum or Yubico Authenticator?
Stratum: Free and open source under GPL-3.0 for Android. Yubico Authenticator: Free under Apache 2.0; works with a YubiKey hardware key.
Do Stratum and Yubico Authenticator run on the same platforms?
Stratum supports Android. Yubico Authenticator supports Windows, macOS, Linux, Android, iOS.