What Proton Authenticator actually does (from App Store listing)
Get the authenticator trusted by millions — from Proton Mail, the world's largest encrypted email provider.
Proton Authenticator is open source, end-to-end encrypted, and protected by strict Swiss privacy laws.
Protect all your new accounts and strengthen security on your existing ones. Proton Authenticator keeps your 2FA codes secure, accessible, and completely private — with full control over where your data is stored.
KEY FEATURES
Local-First Storage:Your 2FA codes are stored entirely on yo…
Get the authenticator trusted by millions — from Proton Mail, the world's largest encrypted email provider. Proton Authenticator is open source, end-to-end encrypted, and protected by strict Swiss privacy laws.
Protect all your new accounts and strengthen security on your existing ones. Proton Authenticator keeps your 2FA codes secure, accessible, and completely private — with full control over where your data is stored.
KEY FEATURES Local-First Storage:Your 2FA codes are stored entirely on your device, giving you complete control over your data.
Effortless Import: Migrate from Google Authenticator, Authy, or any other app in seconds.
Secure Backup & Export: Retain full control of your data with easy backup and restore options.
Swiss Privacy by Design: Built under Switzerland's strongest data protection regulations.
Open Source & Transparent: Auditable code. No tracking. No ads.
Take control of your digital security with encryption you can trust.
Free to use: No Proton account required, ad-free.
Offline support: On mobile and desktop apps
No other 2FA app provides this combination of security and privacy.
Trusted by millions. Built by Proton.
Take control of your digital security today.
Terms of service: https://proton.me/legal/terms
Learn more: https://proton.me
🆕 What's new · v1.4.1
Your 2FA codes now live entirely on your device, giving you complete control over your security. We’ve introduced significant improvements to the backup screen, featuring a new system that works seamlessly to ensure your data remains secure and accessible. Alongside these functional upgrades, we’re celebrating the adoption of our new Liquid Glass design. The app now embraces this latest design language, delivering a more modern and native experience that feels fresh and intuitive.
Comparable iOS apps
The five apps in Productivity with the closest revenue to Proton Authenticator. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
Every number on this page comes from public APIs and bumetric's own snapshot history.
Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on Proton Authenticator's tracker page for current rating, reviews and snapshot timeline.
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