# CodeBook vs Authenticator App

The clearest difference is in-app purchases: CodeBook at none against Authenticator App's 4. Authenticator App's advantage is update cadence (weekly vs every 3 weeks) and iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App sells 4 in-app purchases, starting at $4.99 per 7 days. CodeBook asks for nothing beyond the download.

CodeBook ships an update every 3 weeks, Authenticator App weekly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CodeBook | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (14 ratings)](https://appshunter.io/ios/app/authenticator-app-2fa/id6754335457/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Freemium |
| Size | 35 MB | 63 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Usman Chelambra](https://appshunter.io/developer/1659171686) | [Mobile Ocean](https://appshunter.io/developer/1542573722) |

## What reviewers say

### CodeBook

[App page](https://appshunter.io/ios/app/codebook/id1659171684)

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

**In-app purchases:** none


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-2fa/id6754335457)

Enhance your online security with a fast, secure, and user-friendly app for generating one-time passwords. Protect your accounts with an extra layer of defense, ensuring quick and safe logins across thousands of platforms. Enjoy features like iCloud backup, biometric security, and offline access.

**Highlights:** Instant setup via QR code or manual entry, Universal compatibility with thousands of platforms, iCloud backup and sync across Apple devices, Biometric security (Face ID/Touch ID), Ad-free and offline access, TOTP & HOTP support, End-to-end encrypted multi-device sync

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro for MoAuth Authenticator | $4.99 | per 7 days |
| Weekly Pro for MoAuth Authenticator | $5.99 | per 7 days |
| Yearly Pro for MoAuth Authenticator | $24.99 | per year |
| Yearly Pro for MoAuth Authenticator | $49.99 | per year |


## Frequently asked questions

### Is CodeBook free?

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

### Is Authenticator App free?

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

### Do CodeBook or Authenticator App have ads?

Neither CodeBook nor Authenticator App shows ads.

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

CodeBook ships an update every 3 weeks, and Authenticator App weekly. Most recently, CodeBook was updated on October 5, 2026 and Authenticator App on October 9, 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.*