Comparison

Agile UC3 vs Proton Authenticator & 2FA

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

Head to head
About

Agile UC3

Features
Read full description

Agile UC3 integrates your device with FourNet's Agile UC3 platform and delivers secure mobile voice, video, conferencing, instant messaging and more.

About

Proton Authenticator & 2FA

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

Agile UC34 screens
Proton Authenticator & 2FA4 screens

Verdict

The call

The clearest difference is update cadence: Proton Authenticator & 2FA at weekly against Agile UC3's every 9 months. Agile UC3's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Agile UC3 ships an update every 9 months, Proton Authenticator & 2FA weekly. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 8 level
Agile UC3 versus Proton Authenticator & 2FA: the parameters behind the verdict, then further details
ParameterAgile UC3Proton Authenticator & 2FA
PriceFreeFree
Rating—4.4 (333 ratings) — better
Positive reviews—57.6% of reviews
Number of ratings—333 — better
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size110 MB120 MB
Age rating4+4+
Developer4Net Technologies LtdProton AG

Bugs and requests

Agile UC3

Not enough reviews yet to summarise bugs or requests.

Proton Authenticator & 2FA

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

Agile UC3

No in-app purchases

None

Proton Authenticator & 2FA

No in-app purchases

Questions

Is Agile UC3 free?
Agile UC3 is free to download, with no in-app purchases.
Is Proton Authenticator & 2FA free?
Proton Authenticator & 2FA is free to download, with no in-app purchases.
Do Agile UC3 or Proton Authenticator & 2FA have ads?
Neither Agile UC3 nor Proton Authenticator & 2FA shows ads.
Which is updated more often, Agile UC3 or Proton Authenticator & 2FA?
Agile UC3 ships an update every 9 months, and Proton Authenticator & 2FA weekly. Most recently, Agile UC3 was updated on October 17, 2026 and Proton Authenticator & 2FA on October 21, 2026.

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