# Authentication App vs FairAuth

The clearest difference is update cadence: FairAuth at fortnightly against Authentication App's every 2 months. Authentication App's advantage is iOS requirement (14.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authentication App sells 2 in-app purchases, starting at $9.99 per month and FairAuth sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Authentication App ships an update every 2 months, FairAuth fortnightly. Both last shipped on October 20, 2026.

## The numbers

| Metric | Authentication App | FairAuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (592 ratings)](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953/reviews)** | — |
| Number of ratings | **592** | — |
| Positive reviews | 74.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 66 MB | 26 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Soufiane Benabid](https://appshunter.io/developer/938808835) | [BYTEPOTATO UG (haftungsbeschraenkt)](https://appshunter.io/developer/1864772555) |

## What reviewers say

### Authentication App

[App page](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953)

Enhance your online account security with this two-factor authentication utility. Easily add accounts by scanning QR codes or entering details manually. Securely back up and sync your data with iCloud Keychain for device loss or upgrades.

**Highlights:** Two-factor authentication (2FA), QR code scanning for account setup, Manual account detail entry, Secure backup and sync with iCloud Keychain, Password and Face ID lock, Multi-device sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authentificator - Monthly | $9.99 | per month |
| Authentificator - Yearly | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use and user-friendly interface
- 🔒 Reliable authentication functionality
- ⭐ Excellent overall performance
- 😊 Smooth and stress-free experience
- 💯 Best-in-class authenticator app

**What reviewers complain about**

- 🐛 App doesn't work reliably
- 💰 High pricing relative to competitors
- 😕 Confusing for some users
- ⚠️ Account loss issues reported

**Reported bugs**

- App fails to function properly for some users
- Account data loss or inaccessibility
- Inconsistent performance across devices

**Requested features**

- Better account recovery options
- Improved user onboarding/documentation


### FairAuth

[App page](https://appshunter.io/ios/app/fairauth-authenticator/id6816309314)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| FairAuth Full Version | $8.99 | one-time |


## Frequently asked questions

### Is Authentication App free?

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

### Is FairAuth free?

FairAuth is free to download, with in-app purchases available.

### Do Authentication App or FairAuth have ads?

Neither Authentication App nor FairAuth shows ads.

### Which is updated more often, Authentication App or FairAuth?

Authentication App ships an update every 2 months, and FairAuth fortnightly. Most recently, Authentication App was updated on October 20, 2026 and FairAuth on October 20, 2026.

---

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