# Proton Authenticator vs Rool

The clearest difference is rating: Rool at 5.0 against Proton Authenticator's 4.4. Rool also leads on iOS requirement (15.0 vs 17.0). Proton Authenticator's advantage is in-app purchases (none vs 2) and ratings volume (242 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Rool sells 2 in-app purchases, starting at $12.99 per month. Proton Authenticator asks for nothing beyond the download.

Rool holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Proton Authenticator has 242 ratings behind it against 2, so its average is the more settled of the two.

Proton Authenticator ships an update weekly, Rool fortnightly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Proton Authenticator | Rool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (242 ratings)](https://appshunter.io/ios/app/proton-authenticator/id6741758667/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rool/id6768030742/reviews)** |
| Number of ratings | **242** | 2 |
| Positive reviews | 55.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 119 MB | 11 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Lightpost One Limited](https://appshunter.io/developer/1896532453) |

## What reviewers say

### 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


### Rool

[App page](https://appshunter.io/ios/app/rool/id6768030742)

This app provides a private cloud-based AI assistant to help you with tasks, projects, and file management. It allows you to chat with an AI, create and edit files, generate content, and collaborate with others in isolated project environments.

**Highlights:** Private cloud computer, AI-powered task completion, File upload and management, Content generation (text, code, images), Persistent project memory, Collaborative work environments, Data export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $12.99 | per month |
| Pro | $29.99 | per month |


## Frequently asked questions

### Is Proton Authenticator free?

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

### Is Rool free?

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

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

Rool is rated higher. Proton Authenticator averages 4.4 out of 5 from 242 ratings, while Rool averages 5.0 from 2 ratings.

### Do Proton Authenticator or Rool have ads?

Neither Proton Authenticator nor Rool shows ads.

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

Proton Authenticator ships an update weekly, and Rool fortnightly. Most recently, Proton Authenticator was updated on October 16, 2026 and Rool on October 2, 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.*