Comparison

Proton Authenticator vs Aegis Authenticator

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

Head to head
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

About

Aegis Authenticator

This app provides an extra layer of security for your online accounts through two-factor authentication (2FA). It generates secure, time-based verification codes that refresh automatically, protecting your logins across multiple platforms. All sensitive data is stored locally and encrypted for enhanced privacy.

Highlights
  • Secure two-factor authentication (2FA)
  • Time-based verification code generation
  • QR code scanning for setup
  • Encrypted local storage
  • Backup and recovery options
  • User-friendly interface
Read full description

Protect your accounts and sensitive information with a reliable and easy-to-use authentication app designed to provide an extra layer of security through two-factor authentication (2FA). The app generates secure time-based verification codes that help protect your logins across multiple platforms and online services, reducing the risk of unauthorized access and keeping your personal data safe. Getting started only takes a few moments. Simply connect your accounts, scan a QR code or manually enter your setup details, and instantly begin generating secure authentication codes that refresh automatically every few seconds. All sensitive data is stored locally on your device and protected with encryption for enhanced privacy and security. Key Features: - Secure two-factor authentication (2FA) - Instant generation of time-based verification codes - QR code scanning for fast and simple setup - Encrypted local storage for enhanced privacy - Backup and recovery options - Clean, intuitive, and user-friendly interface Whether you manage a few important accounts or multiple online services every day, the app helps keep your digital accounts protected at all times. Subscriptions & In-App Purchases: Weekly — $4.99 Monthly — $12.99 Yearly — $39.99 Lifetime — $59.99 Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in your device settings. Privacy Policy: https://docs.google.com/document/d/1gg0kIhBqHP-np0ZC700LXJXLbYgsfkpNuFktKXc1gfg/edit?usp=sharing Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Proton Authenticator4 screens
Aegis Authenticator4 screens

Verdict

The call

The clearest difference is review sentiment: Proton Authenticator at 56% against Aegis Authenticator's 0%. Proton Authenticator also leads on rating (4.4 vs 1.8) and in-app purchases (none vs 5). On price, update cadence, ads and device support 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. Aegis Authenticator sells 5 in-app purchases, starting at $4.99 per 7 days. Proton Authenticator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Proton Authenticator holds the better App Store score, 4.4 against 1.8. That said, the two scores are not equally well evidenced: Proton Authenticator has 242 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 56% of Proton Authenticator's written reviews are positive against 0% of Aegis Authenticator's.

UpkeepUpdate frequency

Proton Authenticator ships an update weekly, Aegis Authenticator fortnightly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Proton Authenticator versus Aegis Authenticator: the parameters behind the verdict, then further details
ParameterProton AuthenticatorAegis Authenticator
PriceFreeFree
Rating4.4 (242 ratings) — better1.8 (5 ratings)
Positive reviews55.7% of reviews — better0.0% of reviews
Number of ratings242 — better5
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size119 MB24 MB
Age rating4+4+
DeveloperProton AGAll About Radon LLC

Customer experience

Proton Authenticator

All ratings242 ratings
Positive82.2%
Neutral7.4%
Negative10.3%
Written reviews244 reviews
Positive55.7%
Neutral20.5%
Negative23.8%

Aegis Authenticator

All ratings3 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

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

Aegis Authenticator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proton Authenticator

No in-app purchases

5 purchases

Aegis Authenticator

Subscriptions4
  • Weekly$4.997 Days
  • Weekly-Trial3 Days trial$4.997 Days
  • Monthly$12.991 Month
Show 1 more
  • Yearly$39.991 Year
One-time1
  • Lifetime$59.99

Questions

Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Is Aegis Authenticator free?
Aegis Authenticator is free to download, with in-app purchases available.
Which has better reviews, Proton Authenticator or Aegis Authenticator?
Proton Authenticator is rated higher. Proton Authenticator averages 4.4 out of 5 from 242 ratings, while Aegis Authenticator averages 1.8 from 5 ratings.
Do Proton Authenticator or Aegis Authenticator have ads?
Neither Proton Authenticator nor Aegis Authenticator shows ads.
Which is updated more often, Proton Authenticator or Aegis Authenticator?
Proton Authenticator ships an update weekly, and Aegis Authenticator fortnightly. Most recently, Proton Authenticator was updated on October 14, 2026 and Aegis Authenticator on October 7, 2026.

Other comparisons