# Authenticator App vs Open2FA

The clearest difference is in-app purchases: Open2FA at none against Authenticator App's 2. Authenticator App's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator App sells 2 in-app purchases, starting at $39.99 per year. Open2FA asks for nothing beyond the download.

Authenticator App ships an update every 9 days, Open2FA every 3 weeks. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Authenticator App | Open2FA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 68 MB | 11 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ashish Chaklasiya](https://appshunter.io/developer/1028356298) | [Uladzislau Vrubleuski](https://appshunter.io/developer/1741366888) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-otp/id6477574808)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator Premium - 1 year | $39.99 | per year |
| Authenticator Premium Lifetime | $69.99 | one-time |


### Open2FA

[App page](https://appshunter.io/ios/app/open2fa/id6497407368)

**In-app purchases:** none


## Frequently asked questions

### Is Authenticator App free?

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

### Is Open2FA free?

Open2FA is free to download, with no in-app purchases.

### Do Authenticator App or Open2FA have ads?

Neither Authenticator App nor Open2FA shows ads.

### Which is updated more often, Authenticator App or Open2FA?

Authenticator App ships an update every 9 days, and Open2FA every 3 weeks. Most recently, Authenticator App was updated on September 5, 2026 and Open2FA on September 10, 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.*