# OTP Auth vs Authentication App

The clearest difference is rating: OTP Auth at 4.6 against Authentication App's 4.3. OTP Auth also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (12.0 vs 14.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. OTP Auth sells 1 one-off in-app purchase and Authentication App sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

OTP Auth holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 463 and 592 respectively. Written reviews point the same way: 78% of OTP Auth's written reviews are positive against 74% of Authentication App's.

OTP Auth ships an update every 2 weeks, Authentication App every 2 months. The most recent releases landed on July 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | OTP Auth | Authentication App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (463 ratings)](https://appshunter.io/ios/app/otp-auth/id659877384/reviews)** | [4.3 (592 ratings)](https://appshunter.io/ios/app/authentication-app-mfa-totp/id6443597953/reviews) |
| Number of ratings | 463 | **592** |
| Positive reviews | **77.9% of reviews** | 74.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 22 MB | 66 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roland Moers](https://appshunter.io/developer/659877387) | [Soufiane Benabid](https://appshunter.io/developer/938808835) |

## What reviewers say

### OTP Auth

[App page](https://appshunter.io/ios/app/otp-auth/id659877384)

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

**Highlights:** Two-factor authentication support, Encrypted iCloud Sync, Siri and Apple Watch support, Notification Center widget, Safari extension for password pasting, Face ID/Touch ID security, Encrypted backups and import/export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTP Auth Pro | $3.99 | one-time |

**What reviewers like**

- 🚀 Simple and effective
- 🔒 Secure with backup/restore
- 👍 Great Apple Watch support
- 👍 Intuitive and user-friendly
- 👍 Customizable icons and folders

**What reviewers complain about**

- 🐛 Occasional sync and widget issues
- 🐛 Apple Watch app needs improvements
- 🐛 Unreliable backup/restore for some users
- 🐛 Crashes and bugs reported by a few

**Reported bugs**

- Sync issues causing data loss
- Widget not displaying codes correctly
- Crashes on certain iOS versions

**Requested features**

- Larger text/font size options
- Alphabetical sorting of accounts
- Automatic account refresh/update
- Ability to edit account details


### 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


## Frequently asked questions

### Is OTP Auth free?

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

### Is Authentication App free?

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

### Which has better reviews, OTP Auth or Authentication App?

OTP Auth is rated higher. OTP Auth averages 4.6 out of 5 from 463 ratings, while Authentication App averages 4.3 from 592 ratings.

### Do OTP Auth or Authentication App have ads?

Neither OTP Auth nor Authentication App shows ads.

### Which is updated more often, OTP Auth or Authentication App?

OTP Auth ships an update every 2 weeks, and Authentication App every 2 months. Most recently, OTP Auth was updated on July 22, 2026 and Authentication App on September 24, 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.*