# Yubico Authenticator vs Proton Authenticator & 2FA

The clearest difference is rating: Proton Authenticator & 2FA at 4.4 against Yubico Authenticator's 3.7. Proton Authenticator & 2FA also leads on update cadence (weekly vs monthly) and review sentiment (58% vs 44%). On price, ratings volume, ads and in-app purchases 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, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 268 and 314 respectively. Written reviews point the same way: 44% of Yubico Authenticator's written reviews are positive against 58% of Proton Authenticator & 2FA's.

Yubico Authenticator ships an update monthly, Proton Authenticator & 2FA weekly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | Proton Authenticator & 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (268 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews) | **[4.4 (314 ratings)](https://appshunter.io/ios/app/proton-authenticator-and-2fa/id6741758667/reviews)** |
| Number of ratings | 268 | **314** |
| Positive reviews | 43.6% of reviews | **57.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 4 MB | 120 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Yubico Authenticator

[App page](https://appshunter.io/ios/app/yubico-authenticator/id1476679808)

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

**Highlights:** Hardware-backed security key storage, Touch or NFC authentication, USB-C support, Biometric unlock (FaceID/TouchID), QR code setup, User presence verification, Smart Card support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well with Yubikey
- 🔒 Secure storage of OATH secrets
- 👍 Simple and easy to use
- 🚀 NFC support added

**What reviewers complain about**

- 🐛 NFC not working on some devices
- 🐛 Clunky UI for password-protected keys
- 🐛 Crashes and freezes reported
- 🐛 Incompatible with some devices (iPad, older iPhones)

**Reported bugs**

- NFC not working reliably
- Accounts disappearing after updates
- Calculation of codes not working
- Keyboard issues when using keys

**Requested features**

- Allow editing and rearranging of entries
- Add support for multiple keys per account
- Improve iPad/tablet support
- Add dark mode option
- Improve QR code scanning


### 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 Yubico Authenticator free?

Yubico Authenticator 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, Yubico Authenticator or Proton Authenticator & 2FA?

Proton Authenticator & 2FA is rated higher. Yubico Authenticator averages 3.7 out of 5 from 268 ratings, while Proton Authenticator & 2FA averages 4.4 from 314 ratings.

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

Neither Yubico Authenticator nor Proton Authenticator & 2FA shows ads.

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

Yubico Authenticator ships an update monthly, and Proton Authenticator & 2FA weekly. Most recently, Yubico Authenticator was updated on October 16, 2026 and Proton Authenticator & 2FA on October 19, 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.*