# Authenticator App vs FairAuth

The clearest difference is iOS requirement: Authenticator App at 15.0 against FairAuth's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Authenticator App sells 4 in-app purchases, starting at $8.99 per month and FairAuth sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Authenticator App ships an update monthly, FairAuth fortnightly. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Authenticator App | FairAuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.4K ratings)](https://appshunter.io/ios/app/authenticator-app-authkey/id6447845767/reviews)** | — |
| Number of ratings | **3.4K** | — |
| Positive reviews | 41.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 26 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [SkyRise Networks](https://appshunter.io/developer/1682862399) | [BYTEPOTATO UG (haftungsbeschraenkt)](https://appshunter.io/developer/1864772555) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-authkey/id6447845767)

Enhance your online security with this app, offering a secure and reliable method to protect your accounts. It generates unique codes for two-factor authentication, ensuring your personal information stays safe.

**Highlights:** Account protection with 2FA, Easy setup and management, Backup and sync accounts, Secure code generation

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Monthly Premium | $8.99 | per month |
| Authenticator Weekly Premium | $9.99 | per 7 days |
| Authenticator Yearly Premium | $49.99 | per year |
| Authenticator Lifetime Premium | $69.99 | one-time |

**What reviewers like**

- 👍 Seamless functionality
- 🚀 Quick and easy setup
- 🔒 Robust security features

**What reviewers complain about**

- 🐛 Compatibility issues
- 💰 Expensive subscription
- 🤯 Confusing user interface
- 🔒 Unreliable authentication

**Reported bugs**

- Unable to scan QR codes
- Accounts not showing up correctly
- Repeated login failures

**Requested features**

- Ability to add/manage multiple accounts
- Improved syncing across devices
- More transparent subscription model


### 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 Authenticator App free?

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

### Is FairAuth free?

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

### Do Authenticator App or FairAuth have ads?

Neither Authenticator App nor FairAuth shows ads.

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

Authenticator App ships an update monthly, and FairAuth fortnightly. Most recently, Authenticator App was updated on October 30, 2026 and FairAuth on October 20, 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.*