# Optimal Authenticator

> Secure two-factor authentication and trusted device registration for app access. (iPhone/iPad app by Optimal IdM.)

- Source: https://appshunter.io/ios/app/optimal-authenticator/id1217402923 (this page in markdown: same URL + `.md`)
- Developer: [Optimal IdM](https://appshunter.io/developer/1050742329)
- Category: Utilities
- Price: Free
- Rating: 3.70/5 from 3 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 82 MB
- Released: 2017-03-27
- Data updated: 2026-07-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/optimal-authenticator/id1217402923/reviews.md

## What is 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.

## Key features

- Two-factor authentication
- Push notification verification
- On-app verification codes
- Trusted device registration
- Secure identity verification

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/optimal-authenticator/id1217402923/reviews.md

### 1/5 — Recent Update will lose all security tokens

*2023-05-26*

After the May 2023 update went back into the app because I need to 2 MFA only to find out all the security tokens for my 2 MFA were gone.  Sent feedback twice about the issue and so far there has been no response.  So now the account that I had the security tokens stored in Optimal I have to go through long drawn out process to get access to my accounts.   Way to go development team with updates without having a back process to secure tokens store tokens you guy can kick rocks.

## Frequently asked questions about Optimal Authenticator

### What is Optimal Authenticator used for?

Optimal Authenticator is used to securely verify your identity for accessing other applications. It provides an extra layer of security through two-factor authentication and allows organizations to register trusted devices.

### How does Optimal Authenticator's two-factor authentication work?

When signing in to an application, you'll receive a push notification on your mobile device. You can tap the notification to launch Optimal Authenticator and approve the request, or enter a verification code displayed in the app.

### Can Optimal Authenticator be used on multiple devices?

The app is supported on iPhone, iPad, and iPod, suggesting it can be used across Apple devices. Organizations can register specific devices to ensure sign-in requests come from trusted sources.

### Is Optimal Authenticator free to use?

Yes, Optimal Authenticator is available for free. The provided data indicates a 'Free' price point and no in-app purchases or advertisements.

### How often is Optimal Authenticator updated?

The latest version, 1.5.5, was last updated on August 21, 2025. This indicates a recent update, suggesting the app is actively maintained.

### What is the age rating for Optimal Authenticator?

Optimal Authenticator has an age rating of 4+. This means it is suitable for users aged 4 and above.

### What do users think of Optimal Authenticator?

The app has a rating of 3.7 stars from 3 ratings. This suggests a generally positive but mixed user reception based on the limited feedback available.

### Does Optimal Authenticator have ads?

No, Optimal Authenticator does not contain advertisements. The app is listed as having 'hasAds': false, indicating an ad-free experience.

## Version history (last 5 releases)

### 1.5.5 — 2025-08-21

Performance improvements and bug fixes

### 1.5.4 — 2024-06-06

Bug fixes and performance improvements

### 1.5.3 — 2024-02-06

Added better handling of scanning QR codes and the ability to edit the issuer and account names for TOTP-only and manual accounts

### 1.5.1 — 2023-05-06

Fixes bugs and improves reliability

### 1.5.0 — 2023-05-03

Updates for iOS 16 and bug fixes

## Apps similar to Optimal Authenticator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [TOTP Authenticator – Fast 2FA](https://appshunter.io/ios/app/totp-authenticator-fast-2fa/id1404230533) | 4.7 (3,827) | Free | Utilities |
| [LiveSafe](https://appshunter.io/ios/app/livesafe/id653666211) | 2.8 (334) | Free | Utilities |
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| [s.GUARD Mobile](https://appshunter.io/ios/app/sguard-mobile/id1464632187) | — | Free | Utilities |
| [My Tracfone: Account Manager](https://appshunter.io/ios/app/my-tracfone-account-manager/id960103387) | 4.7 (55,087) | Free | Utilities |
| [SurePassID Push Authenticator](https://appshunter.io/ios/app/surepassid-push-authenticator/id1180210351) | 2.0 (21) | Free | Utilities |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-17.*