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FreeOTP

Free#76 of 111 in Authenticator Apps

FreeOTP: A free, standards-based authenticator for users who value open source over synchronization. Ranked #76 of 111 in Authenticator Apps by our editors (3.0/10); pricing: Free plan; best for open-source users needing standard TOTP and HOTP.

3.0/10Editor score

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FreeOTP3.0 Visit FreeOTP

At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Open-source users needing standard TOTP and HOTP
Free plan
Yes
Paid from
Free
Facts checked
21 Sep 2026

Where it wins
- Free and open source with HOTP and TOTP support
- QR-code token setup on Android and iOS
- Encrypted backup and restore options on both platforms
Where it doesn't
- Focused on HOTP and TOTP code generation
- Backup workflows differ between Android and iOS
- No proprietary server-side component for centralized administration

Our verdict on FreeOTP

FreeOTP is a free, open-source two-factor authentication app from Red Hat for Android and iOS. It generates one-time passwords using the HOTP and TOTP standards, and users can add tokens by scanning QR codes or configuring services that support those standards. Its standards-compliant operation does not require a proprietary server-side component, making it a fit for individuals and teams using compatible authentication services, including FreeIPA.

Its strongest practical advantage is the combination of open-source distribution and straightforward token support. The published feature set covers QR-based setup, HOTP code generation, TOTP code generation, and encrypted backup workflows. Android users can back up tokens to a Google Account or create a manual encrypted backup and restore it. On iOS, encrypted backup and restore use Apple backup functionality and Keychain storage, while biometric locking protects tokens. These options make FreeOTP a good choice for users who want portable recovery workflows without moving away from standard one-time-password methods.

FreeOTP is most suitable when the priority is a focused, standards-based authenticator rather than centralized administration or a broader authentication platform. Its design centers on generating HOTP and TOTP codes, so organizations seeking a proprietary server-side component, team administration, or a different approval workflow should consider another product. Users should also account for the distinct backup approaches on Android and iOS. Choose FreeOTP for a free, open-source mobile authenticator with encrypted backups; choose an alternative when synchronized administration across devices or managed team controls are central requirements.

Your product? Our editors can test FreeOTP in depth and publish a review, labelled as paid · from $149/mo →

FreeOTP pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on freeotp.github.io

FreeOTP fact sheet

Free plan	Yes
Paid from	Free
Code type	Totp and hotp
Push approvals	Not verified
Encrypted backup	Yes
Multi-device sync	Not verified
Team administration	Not verified
Supported platforms	iOS, Android
Deployment	Mobile
Platforms	iOS, Android
Support	Community, Docs
Built for	Solo, Small business (editorial estimate)
Pricing	Free plan
Website	freeotp.github.io
Facts checked	21 Sep 2026

Alternatives to FreeOTP

See all FreeOTP alternatives →

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used FreeOTP for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

FreeOTP is listed in our Authenticator Apps directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update