---
title: "Proton Authenticator — App Overview"
url: https://marlvel.ai/intel-report/productivity/proton-authenticator
category: Productivity
developer: Proton AG
platforms: ios, android
rating: 4.9 (8.1K ratings)
pricing: free
report_level: overview
generated: 2026-04-16
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app offers a secure, ad-free, and open-source solution for 2FA management, though users report limitations regarding the flexibility of editing or removing existing entries.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Productivity |
| Rating | 4.9 ★ (8.1K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.3.2 |
| Latest Version (Android) | 1.3.7 |
| Developer | Proton AG |

<!-- SECTION: Summary -->
## What is Proton Authenticator?

Proton Authenticator is a privacy-focused 2FA management tool developed by Proton AG that provides end-to-end encrypted storage for TOTP codes. It distinguishes itself through open-source transparency, Swiss-based data protection, and seamless cross-device synchronization via encrypted iCloud backups.

<!-- SECTION: Key Features -->
## Key Features

- **Encrypted iCloud Sync**: Enables end-to-end encrypted synchronization of 2FA secrets across multiple devices.
- **Effortless Import**: Supports quick migration of existing 2FA data from services like Google Authenticator and Authy.
- **Open Source & Transparent**: Features auditable code with no tracking or advertisements to ensure user privacy.
- **Swiss Privacy by Design**: Operates under strict Swiss data protection regulations to maintain high security standards.

<!-- SECTION: Target Audience -->
## Who is it for?

Privacy-conscious users seeking a secure, open-source alternative for managing multi-factor authentication codes across multiple devices.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/proton-authenticator/id6741758667?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=proton.android.authenticator&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/productivity/proton-authenticator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/productivity/proton-authenticator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*