# Proton Authenticator & 2FA vs Glacier App

The clearest difference is in-app purchases: Proton Authenticator & 2FA at none against Glacier App's 6. Glacier App's advantage is chart position (#76 vs unranked). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Glacier App sells 6 in-app purchases, starting at $4.99 per month. Proton Authenticator & 2FA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Proton Authenticator & 2FA against 4.3 for Glacier App. Both are backed by a comparable volume of ratings — 314 and 291 respectively. Written reviews are what separate them: 58% of Proton Authenticator & 2FA's written reviews are positive against 61% of Glacier App's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Proton Authenticator & 2FA | Glacier App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (314 ratings)](https://appshunter.io/ios/app/proton-authenticator-and-2fa/id6741758667/reviews)** | [4.3 (291 ratings)](https://appshunter.io/ios/app/glacier-app/id6776005049/reviews) |
| Number of ratings | **314** | 291 |
| Positive reviews | 57.6% of reviews | **61.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Subscription |
| Best chart rank | — | **#76** |
| Size | 120 MB | 66 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Security App LLC](https://appshunter.io/developer/6776005051) |

## What reviewers say

### Proton Authenticator & 2FA

[App page](https://appshunter.io/ios/app/proton-authenticator-and-2fa/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


### Glacier App

[App page](https://appshunter.io/ios/app/glacier-app/id6776005049)

**Currently charting:** #76 Top Grossing · Productivity, #188 Top Free · Productivity (US App Store)

Enhance your mobile privacy with advanced security features. Protect your connection with VPN and DNS security, block trackers and ads, and receive real-time threat alerts. Secure your communications and browse privately without compromising daily usability.

**Highlights:** VPN and DNS protection, Tracker and ad blocking, Real-time threat alerts, Device tampering detection, Secure calling with alternate numbers, Privacy-focused design

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Line | $4.99 | per month |
| 2 Lines | $8.99 | per month |
| Monthly | $14.99 | per month |
| 5 Lines | $19.99 | per month |
| Yearly | $159.99 | per year |
| Additional Phone Number | $2.99 | one-time |


## Frequently asked questions

### Is Proton Authenticator & 2FA free?

Proton Authenticator & 2FA is free to download, with no in-app purchases.

### Is Glacier App free?

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

### Which has better reviews, Proton Authenticator & 2FA or Glacier App?

Proton Authenticator & 2FA is rated higher. Proton Authenticator & 2FA averages 4.4 out of 5 from 314 ratings, while Glacier App averages 4.3 from 291 ratings.

### Do Proton Authenticator & 2FA or Glacier App have ads?

Neither Proton Authenticator & 2FA nor Glacier App shows ads.

### Which is updated more often, Proton Authenticator & 2FA or Glacier App?

Proton Authenticator & 2FA ships an update weekly, and Glacier App weekly. Most recently, Proton Authenticator & 2FA was updated on October 19, 2026 and Glacier App on October 18, 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.*