# Proton Authenticator vs Secria Mail

The clearest difference is review sentiment: Secria Mail at 100% against Proton Authenticator's 56%. Secria Mail also leads on rating (5.0 vs 4.4) and iOS requirement (14.0 vs 17.0). Proton Authenticator's advantage is in-app purchases (none vs 4) and ratings volume (242 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Secria Mail sells 4 in-app purchases, starting at $4.99 per month. Proton Authenticator asks for nothing beyond the download.

Secria Mail 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 1, 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 100% of Secria Mail's.

Proton Authenticator ships an update weekly, Secria Mail every 9 days. The most recent releases landed on September 26, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Proton Authenticator | Secria Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (242 ratings)](https://appshunter.io/ios/app/proton-authenticator/id6741758667/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/secria-mail/id6756082980/reviews)** |
| Number of ratings | **242** | 1 |
| Positive reviews | 56.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 119 MB | 15 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Secria, Inc.](https://appshunter.io/developer/1858389076) |

## 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


### Secria Mail

[App page](https://appshunter.io/ios/app/secria-mail/id6756082980)

Experience secure, end-to-end encrypted email with a zero-knowledge architecture. Your communications remain private, protected by advanced post-quantum cryptography. Designed for ultimate user privacy.

**Highlights:** End-to-end encryption, Zero-knowledge architecture, Post-quantum cryptography, Private messaging, Privacy-focused design

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $4.99 | per month |
| Pro Monthly | $11.99 | per month |
| Plus Yearly | $49.00 | per year |
| Pro Yearly | $119.00 | per year |


## Frequently asked questions

### Is Proton Authenticator free?

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

### Is Secria Mail free?

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

### Which has better reviews, Proton Authenticator or Secria Mail?

Secria Mail is rated higher. Proton Authenticator averages 4.4 out of 5 from 242 ratings, while Secria Mail averages 5.0 from 1 ratings.

### Do Proton Authenticator or Secria Mail have ads?

Neither Proton Authenticator nor Secria Mail shows ads.

### Which is updated more often, Proton Authenticator or Secria Mail?

Proton Authenticator ships an update weekly, and Secria Mail every 9 days. Most recently, Proton Authenticator was updated on September 26, 2026 and Secria Mail on September 12, 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.*