# Zoll vs Proton Authenticator & 2FA

The clearest difference is review sentiment: Proton Authenticator & 2FA at 58% against Zoll's 11%. Proton Authenticator & 2FA also leads on rating (4.6 vs 1.0) and update cadence (weekly vs every 2 months). Zoll's advantage is iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Proton Authenticator & 2FA holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Proton Authenticator & 2FA has 741 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 11% of Zoll's written reviews are positive against 58% of Proton Authenticator & 2FA's.

Zoll ships an update every 2 months, Proton Authenticator & 2FA weekly. Both last shipped on November 8, 2026.

## The numbers

| Metric | Zoll | Proton Authenticator & 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/zoll-ident/id6479045376/reviews) | **[4.6 (741 ratings)](https://appshunter.io/ios/app/proton-authenticator-and-2fa/id6741758667/reviews)** |
| Number of ratings | 2 | **741** |
| Positive reviews | 10.5% of reviews | **57.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 57 MB | 120 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Generalzolldirektion](https://appshunter.io/developer/1506592741) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Zoll

[App page](https://appshunter.io/ios/app/zoll-ident/id6479045376)

This app provides a secure and user-friendly way to log into the Customs Portal and its services. It allows for quick authentication using biometric data after an initial setup with an existing online identity.

**Highlights:** Secure login to Customs Portal, Biometric authentication (Face-ID/Touch-ID), QR code scanning for login, Setup with ELSTER, BundID, or Online ID, Individual user codes for businesses, Accelerated access to services

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Zoll free?

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

### Is Proton Authenticator & 2FA free?

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

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

Proton Authenticator & 2FA is rated higher. Zoll averages 1.0 out of 5 from 2 ratings, while Proton Authenticator & 2FA averages 4.6 from 741 ratings.

### Do Zoll or Proton Authenticator & 2FA have ads?

Neither Zoll nor Proton Authenticator & 2FA shows ads.

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

Zoll ships an update every 2 months, and Proton Authenticator & 2FA weekly. Most recently, Zoll was updated on November 8, 2026 and Proton Authenticator & 2FA on November 8, 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.*