# Authy Authenticator vs Proton Authenticator

The clearest difference is in-app purchases: Proton Authenticator at none against Authy Authenticator's 3. Proton Authenticator also leads on update cadence (weekly vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Authy Authenticator sells 3 in-app purchases, starting at $9.99 per 7 days. Proton Authenticator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Authy Authenticator against 4.4 for Proton Authenticator. Both are backed by a comparable volume of ratings — 195 and 242 respectively. Written reviews are what separate them: 57% of Authy Authenticator's written reviews are positive against 56% of Proton Authenticator's.

Authy Authenticator ships an update every 3 months, Proton Authenticator weekly. Both last shipped on October 14, 2026.

## The numbers

| Metric | Authy Authenticator | Proton Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (195 ratings)](https://appshunter.io/ios/app/authy-authenticator/id1554760348/reviews) | [4.4 (242 ratings)](https://appshunter.io/ios/app/proton-authenticator/id6741758667/reviews) |
| Number of ratings | 195 | **242** |
| Positive reviews | **56.8% of reviews** | 55.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 119 MB |
| Requires iOS | **16** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Appios Bilisim](https://appshunter.io/developer/1796567865) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Authy Authenticator

[App page](https://appshunter.io/ios/app/authy-authenticator/id1554760348)

Secure your online accounts with this Two-Factor Authentication (2FA) app. It generates time-based one-time passwords (TOTP) and offers encrypted backups, multi-device sync, and offline access. Protect your accounts from unauthorized access with robust security features.

**Highlights:** Encrypted iCloud Backup, Apple Watch Support, Multi-Device Sync, Offline Access, Biometric & PIN Lock, Quick Setup, TOTP Security

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription Plans | $9.99 | per 7 days |
| Monthly Subscription Plans | $14.99 | per month |
| Yearly Subscription  Plans | $49.99 | per year |


### Proton Authenticator

[App page](https://appshunter.io/ios/app/proton-authenticator/id6741758667)

Securely manage your two-factor authentication codes with an open-source, end-to-end encrypted authenticator app. It offers seamless cross-device syncing, effortless import from other apps, and robust backup options, all protected by strict Swiss privacy laws. Take control of your digital security with a trusted and private solution.

**Highlights:** End-to-end encrypted iCloud sync, Effortless import from other authenticators, Secure backup and export, Swiss privacy by design, Open source and transparent, Offline support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Cross-platform support
- 🔒 Secure cloud sync
- 👍 Easy import from other authenticators
- 🚀 Convenient 'next' feature for codes

**What reviewers complain about**

- 🐛 Buggy UI (scrolling jitters, random sorting)
- 👎 Lack of customization options (pin favorites, change icons)
- 🐛 Sync/login issues on iPad

**Reported bugs**

- Sync/login loop on iPad
- 2FA input broken on non-iPhone devices
- Screen strobing on iPad
- Duplicate entries after import

**Requested features**

- PIN unlock for desktop
- Alphabetical sorting option
- Export function (not just Proton-specific backup)
- Native macOS app
- Option to hide item icons


## Frequently asked questions

### Is Authy Authenticator free?

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

### Is Proton Authenticator free?

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

### Which has better reviews, Authy Authenticator or Proton Authenticator?

Authy Authenticator and Proton Authenticator are both rated 4.4 out of 5 on the App Store, from 195 and 242 ratings respectively.

### Do Authy Authenticator or Proton Authenticator have ads?

Neither Authy Authenticator nor Proton Authenticator shows ads.

### Which is updated more often, Authy Authenticator or Proton Authenticator?

Authy Authenticator ships an update every 3 months, and Proton Authenticator weekly. Most recently, Authy Authenticator was updated on October 14, 2026 and Proton Authenticator on October 14, 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.*