Best OpenOTP Authentication Server Alternatives in 2026
Updated
20 apps from authenticator apps ranked against OpenOTP Authentication Server on the same published basis.
- 1OpenOTP Authentication Server vs Proton Authenticator
- 2OpenOTP Authentication Server vs Yubico Authenticator
- 3OpenOTP Authentication Server vs Ente Auth
- 4OpenOTP Authentication Server vs Bitwarden
- 5OpenOTP Authentication Server vs Zoho OneAuth
- 6OpenOTP Authentication Server vs Duo Mobile
- 7OpenOTP Authentication Server vs SAASPASS Authenticator
- 8OpenOTP Authentication Server vs Authy
- 9OpenOTP Authentication Server vs Salesforce Authenticator
- 10OpenOTP Authentication Server vs LoginTC
- 11OpenOTP Authentication Server vs LastPass
- 12OpenOTP Authentication Server vs 2FAS Auth
- 13OpenOTP Authentication Server vs Rublon Authenticator
- 15OpenOTP Authentication Server vs Ghost Auth
- 16OpenOTP Authentication Server vs TOTP Authenticator
- 17OpenOTP Authentication Server vs Auth0 Guardian
- 18OpenOTP Authentication Server vs SafeNet MobilePASS+
- 19OpenOTP Authentication Server vs HYPR Authenticate
- 20OpenOTP Authentication Server vs Protectimus SMART
- 21OpenOTP Authentication Server vs Google Authenticator
OpenOTP Authentication Server alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Proton Authenticator | 8.2 | Free plan | Free | Android, iOS, Linux, Mac, Windows |
| 2 | Yubico Authenticator | 8.2 | Free plan | Free | Android, iOS, Linux, Mac, Windows |
| 3 | Ente Auth | 8.2 | Free plan | Free | Android, iOS, Linux, Mac, Web, Windows |
| 4 | Bitwarden | 8.2 | Free plan | $1.65/mo | Android, Browser, iOS, Linux, Mac, self-hosted, Web, Windows |
| 5 | Zoho OneAuth | 8.1 | Free plan | Free | Android, iOS, Mac, Windows |
| 6 | Duo Mobile | 8.0 | Free plan | $3/mo | Android, iOS |
| 7 | SAASPASS Authenticator | 8.0 | Free plan | $0.08/mo | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 8 | Authy | 7.8 | Free plan | Free | Android, iOS |
| 9 | Salesforce Authenticator | 7.7 | Free plan | Free | Android, iOS |
| 10 | LoginTC | 7.7 | Free plan | $3/mo | Android, API, Browser, iOS, self-hosted, Web, Windows |
| 11 | LastPass | 7.7 | Free plan | — | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 12 | 2FAS Auth | 7.6 | Free plan | Free | Android, Browser, iOS |
| 13 | Rublon Authenticator | 7.5 | Free plan | $2/mo | Android, iOS |
| 15 | Ghost Auth | 7.2 | Free plan | Free | Android, iOS |
| 16 | TOTP Authenticator | 7.2 | Free plan | Free | Android, Browser, iOS |
| 17 | Auth0 Guardian | 7.1 | Free plan | $35/mo | Android, iOS |
| 18 | SafeNet MobilePASS+ | 7.0 | No | — | Android, iOS, Mac, Windows |
| 19 | HYPR Authenticate | 7.0 | No | $3/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 20 | Protectimus SMART | 7.0 | Free plan | Free | Android, iOS |
| 21 | Google Authenticator | 6.9 | No | — | Android, iOS |
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Questions about OpenOTP Authentication Server alternatives
What is the best alternative to OpenOTP Authentication Server?
Proton Authenticator, number 1 in authenticator apps with a score of 8.2 out of 10. The others here: Yubico Authenticator, Ente Auth, Bitwarden and 16 more.
What is the best free alternative to OpenOTP Authentication Server?
Proton Authenticator is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.