Is There an App?
Proton Authenticator
by Proton AG
Generate two-factor authentication codes with local storage, backup and export options.
What it does
Generate two-factor authentication codes with local storage, backup and export options. The developer describes free, ad-free use without a Proton account.
Pricing: is Proton Authenticator free?
US App Store download: Free (USD), checked 2026-09-22. Open-source software; hosted services or other add-ons may have separate charges.
Screenshots
Developer-provided iOS screenshots.
Features
Proton authenticator
Get the authenticator trusted by millions — from Proton Mail, the world's largest encrypted email provider.
Developer’s App Store feature description (iOS)Account protection
Protect all your new accounts and strengthen security on your existing ones.
Developer’s App Store feature description (iOS)Private 2FA codes
Proton Authenticator keeps your 2FA codes secure, accessible, and completely private — with full control over where your data is stored.
Developer’s App Store feature description (iOS)Local-first storage
Local-First Storage:Your 2FA codes are stored entirely on your device, giving you complete control over your data.
Developer’s App Store feature description (iOS)Authenticator import
Effortless Import: Migrate from Google Authenticator, Authy, or any other app in seconds.
Developer’s App Store feature description (iOS)Sources & verification
- Proton Authenticator: developer's App Store listing (US)Primary source
- Developer’s App Store feature description (iOS)Primary source
Last verified: 22 September 2026. Features not listed here may be unverified.
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