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  • Optimal Authenticator screenshot 1

About Optimal Authenticator

With the Optimal Authenticator, quickly and securely verify your identity for access to all of your applications. Authentication features include: Two-factor authentication: Two-factor authentication provides an extra layer of security to your account. When signing in, after entering your password, you'll be asked to provide additional verification via the app. A push notification is sent to your mobile device to alert you of a pending two-factor verification request. Simply tap on the notification to launch the app and tap Approve to complete the verification. Alternatively, you may be prompted to enter the verification code displayed in the app. Device registration: By registering your device through the app, organizations can verify that the sign-in request is coming from a trusted device.

What’s new

Version 1.6.0 · Updated September 9, 2026

Bug fixes and performance improvements

App privacy

The developer, Optimal IdM, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Optimal Authenticator

Looking for apps like Optimal Authenticator? Here are 6 similar apps on the App Store. The highest rated is TOTP Authenticator – Fast 2FA (4.7/5), and all 6 are free to download.

Optimal Authenticator vs. alternatives
App Rating Price Last updated Compare
Optimal Authenticator 3.0 / 5 (4 ratings) Free September 9, 2026
s.GUARD Mobile – Free Sep 8, 2026 Compare
VOYCE Global 4.4 / 5 (10) Free Nov 13, 2025 Compare
TOTP Authenticator – Fast 2FA 4.7 / 5 (3,874) Free Aug 3, 2026 Compare
BeyondTrust Support 3.2 / 5 (55) Free Apr 30, 2026 Compare
AlertTraveler 3.0 / 5 (26) Free Aug 3, 2026 Compare
Honorlock 1.1 / 5 (365) Free Oct 29, 2026 Compare

Compare Optimal Authenticator with the top alternatives: ratings, updates, ASO score and keyword gaps →