Comparison

Bitwarden Authenticator vs Proton Authenticator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bitwarden Authenticator

Generate secure verification codes for two-factor authentication on your device. This app supports any website or application using industry-standard TOTP, adding an extra layer of protection to your online accounts.

Highlights
  • Generate 2FA verification codes
  • Supports TOTP standard
  • Universal compatibility
  • Simple, intuitive interface
  • Adds extra layer of protection
Features
Read full description

New from Bitwarden, provider of the password manager trusted by millions, Bitwarden Authenticator generates verification codes for two-factor authentication, ensuring your identity is verified when you log into accounts. Using industry-standards, Bitwarden Authenticator supports any website or application that uses TOTP. ADD AN EXTRA LAYER OF PROTECTION Generate verification codes to ensure your identity is verified, keeping your sensitive data out of reach of imposters. UNIVERSAL COMPATIBILITY Bitwarden Authenticator uses industry standard methods for verification code generation, so it will work with any website or application that utilizes time-based one-time passwords. EASY TO USE A simple, intuitive design and straightforward interface makes it easy to start incorporating authentication into your digital life Bitwarden empowers organizations to secure passwords, developer secrets, and passkeys. Visit Bitwarden.com to learn more about Bitwarden Password Manager, Bitwarden Secrets Manager and Bitwarden Passwordless.dev!

About

Proton Authenticator

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
Read full description

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

Screenshots

Bitwarden Authenticator4 screens
Proton Authenticator4 screens

Verdict

The call

The clearest difference is rating: Proton Authenticator at 4.4 against Bitwarden Authenticator's 3.5. Proton Authenticator also leads on review sentiment (56% vs 41%). Bitwarden Authenticator's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Proton Authenticator holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 95 and 242 respectively. Written reviews point the same way: 41% of Bitwarden Authenticator's written reviews are positive against 56% of Proton Authenticator's.

UpkeepUpdate frequency

Bitwarden Authenticator ships an update fortnightly, Proton Authenticator weekly. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Bitwarden Authenticator versus Proton Authenticator: the parameters behind the verdict, then further details
ParameterBitwarden AuthenticatorProton Authenticator
PriceFreeFree
Rating3.5 (95 ratings)4.4 (242 ratings) — better
Positive reviews41.3% of reviews56.3% of reviews — better
Number of ratings95242 — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size71 MB119 MB
Age rating4+4+
DeveloperBitwarden IncProton AG

Customer experience

Bitwarden Authenticator

All ratings95 ratings
Positive56.8%
Neutral11.6%
Negative31.6%
Written reviews155 reviews
Positive41.3%
Neutral22.6%
Negative36.1%

Proton Authenticator

All ratings242 ratings
Positive82.2%
Neutral7.4%
Negative10.3%
Written reviews231 reviews
Positive56.3%
Neutral20.8%
Negative22.9%

User reviews

Bitwarden Authenticator

From 95 App Store ratings

What we love

  • 👍 Good start
  • 🚀 Supports export and import
  • 🔒 Backed by a trusted company
  • 💡 Dedicated authenticator app

Room to improve

  • 🐛 Crashes on launch
  • 🐛 Search function not working
  • 🐛 Backup not working as expected
  • 🐛 Compatibility issues with older devices

Proton Authenticator

From 242 App Store ratings

What we love

  • 🚀 Cross-platform support
  • 🔒 Secure cloud sync
  • 👍 Easy import from other authenticators
  • 🚀 Convenient 'next' feature for codes

Room to improve

  • 🐛 Buggy UI (scrolling jitters, random sorting)
  • 👎 Lack of customization options (pin favorites, change icons)
  • 🐛 Sync/login issues on iPad

Bugs and requests

Bitwarden Authenticator

Reported bugs

3 issues
  • Search results showing placeholder codes
  • Backup not restoring codes after device restore
  • Crashes after app updates

Requested features

5 requests
  • Add icons for services
  • Allow rearranging of entries
  • Implement iCloud/cloud sync
  • Add Apple Watch support
  • Require biometric authentication on each app open

Proton Authenticator

Reported bugs

4 issues
  • Sync/login loop on iPad
  • 2FA input broken on non-iPhone devices
  • Screen strobing on iPad
  • Duplicate entries after import

Requested features

5 requests
  • PIN unlock for desktop
  • Alphabetical sorting option
  • Export function (not just Proton-specific backup)
  • Native macOS app
  • Option to hide item icons

In-app purchases

None

Bitwarden Authenticator

No in-app purchases

None

Proton Authenticator

No in-app purchases

Questions

Is Bitwarden Authenticator free?
Bitwarden Authenticator is free to download, with no in-app purchases.
Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Which has better reviews, Bitwarden Authenticator or Proton Authenticator?
Proton Authenticator is rated higher. Bitwarden Authenticator averages 3.5 out of 5 from 95 ratings, while Proton Authenticator averages 4.4 from 242 ratings.
Do Bitwarden Authenticator or Proton Authenticator have ads?
Neither Bitwarden Authenticator nor Proton Authenticator shows ads.
Which is updated more often, Bitwarden Authenticator or Proton Authenticator?
Bitwarden Authenticator ships an update fortnightly, and Proton Authenticator weekly. Most recently, Bitwarden Authenticator was updated on September 23, 2026 and Proton Authenticator on September 22, 2026.

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