# Proton Authenticator vs Aegis Authenticator

The clearest difference is review sentiment: Proton Authenticator at 56% against Aegis Authenticator's 0%. Proton Authenticator also leads on rating (4.4 vs 1.8) and in-app purchases (none vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aegis Authenticator sells 5 in-app purchases, starting at $4.99 per 7 days. Proton Authenticator asks for nothing beyond the download.

Proton Authenticator holds the better App Store score, 4.4 against 1.8. That said, the two scores are not equally well evidenced: Proton Authenticator has 242 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 56% of Proton Authenticator's written reviews are positive against 0% of Aegis Authenticator's.

Proton Authenticator ships an update weekly, Aegis Authenticator fortnightly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Proton Authenticator | Aegis Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (242 ratings)](https://appshunter.io/ios/app/proton-authenticator/id6741758667/reviews)** | [1.8 (5 ratings)](https://appshunter.io/ios/app/aegis-authenticator/id6753686224/reviews) |
| Number of ratings | **242** | 5 |
| Positive reviews | **55.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free** | Freemium |
| Size | 119 MB | 24 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [All About Radon LLC](https://appshunter.io/developer/1844401487) |

## 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


### Aegis Authenticator

[App page](https://appshunter.io/ios/app/aegis-authenticator/id6753686224)

This app provides an extra layer of security for your online accounts through two-factor authentication (2FA). It generates secure, time-based verification codes that refresh automatically, protecting your logins across multiple platforms. All sensitive data is stored locally and encrypted for enhanced privacy.

**Highlights:** Secure two-factor authentication (2FA), Time-based verification code generation, QR code scanning for setup, Encrypted local storage, Backup and recovery options, User-friendly interface

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Weekly-Trial | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Proton Authenticator free?

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

### Is Aegis Authenticator free?

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

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

Proton Authenticator is rated higher. Proton Authenticator averages 4.4 out of 5 from 242 ratings, while Aegis Authenticator averages 1.8 from 5 ratings.

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

Neither Proton Authenticator nor Aegis Authenticator shows ads.

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

Proton Authenticator ships an update weekly, and Aegis Authenticator fortnightly. Most recently, Proton Authenticator was updated on October 14, 2026 and Aegis Authenticator on October 7, 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.*