# Optimal Authenticator vs Authenticator App ™

The clearest difference is rating: Authenticator App ™ at 4.4 against Optimal Authenticator's 3.0. Authenticator App ™ also leads on update cadence (every 2 weeks vs every 3 months) and review sentiment (29% vs 0%). Optimal Authenticator's advantage is in-app purchases (none vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App ™ sells 2 in-app purchases, starting at $9.99 per month. Optimal Authenticator asks for nothing beyond the download.

Authenticator App ™ holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Authenticator App ™ has 24K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Optimal Authenticator's written reviews are positive against 29% of Authenticator App ™'s.

Optimal Authenticator ships an update every 3 months, Authenticator App ™ every 2 weeks. The most recent releases landed on September 19, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Optimal Authenticator | Authenticator App ™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/optimal-authenticator/id1217402923/reviews) | **[4.4 (24K ratings)](https://appshunter.io/ios/app/authenticator-app/id6443508147/reviews)** |
| Number of ratings | 4 | **24K** |
| Positive reviews | 0.0% of reviews | **29.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 19 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optimal IdM](https://appshunter.io/developer/1050742329) | [Codenhagen.IO ApS](https://appshunter.io/developer/1617641724) |

## What reviewers say

### Optimal Authenticator

[App page](https://appshunter.io/ios/app/optimal-authenticator/id1217402923)

This app provides a secure way to verify your identity for accessing other applications. It uses two-factor authentication via push notifications or verification codes, and allows organizations to register trusted devices for sign-in requests.

**Highlights:** Two-factor authentication, Push notification verification, On-app verification codes, Trusted device registration, Secure identity verification

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Authenticator App ™

[App page](https://appshunter.io/ios/app/authenticator-app/id6443508147)

This app provides a secure way to manage two-factor authentication (2FA) for your online accounts. It generates time-based one-time passwords (TOTP) that update every 30 seconds, offering an extra layer of security without needing an internet connection. Features include iCloud backup, cross-device synchronization, and biometric unlock.

**Highlights:** Time-based one-time password (TOTP) generation, Secure iCloud backup and encryption, Synchronization across all devices, Unlock with FaceID or password, 100% Ad-Free experience, Compatible with over 2,500 websites and services

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium | $9.99 | per month |
| Authenticator Premium | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Works well
- 👍 Simple and straightforward
- 🚀 Functional tool

**What reviewers complain about**

- 🐛 Unable to remove accounts
- 🐛 Difficult to cancel subscription
- 🐛 Doesn't work as expected
- 🐛 Not user friendly
- 🐛 Unreliable

**Reported bugs**

- Login screen freezes
- QR code scanning issues
- Accounts not syncing properly
- Subscription not cancelling

**Requested features**

- Dark mode option
- Better customer support
- Easier subscription management


## Frequently asked questions

### Is Optimal Authenticator free?

Optimal Authenticator is free to download, with no in-app purchases.

### Is Authenticator App ™ free?

Authenticator App ™ is free to download, with in-app purchases available.

### Which has better reviews, Optimal Authenticator or Authenticator App ™?

Authenticator App ™ is rated higher. Optimal Authenticator averages 3.0 out of 5 from 4 ratings, while Authenticator App ™ averages 4.4 from 24K ratings.

### Do Optimal Authenticator or Authenticator App ™ have ads?

Neither Optimal Authenticator nor Authenticator App ™ shows ads.

### Which is updated more often, Optimal Authenticator or Authenticator App ™?

Optimal Authenticator ships an update every 3 months, and Authenticator App ™ every 2 weeks. Most recently, Optimal Authenticator was updated on September 19, 2026 and Authenticator App ™ on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*