Comparison

Proton Authenticator vs subtxt

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

subtxt

Features
Read full description

What's really behind it? subtxt helps you understand difficult messages and write better responses. Whether it's WhatsApp, email, a letter from your landlord, or a message from your boss – subtxt analyzes the subtext and shows you what's really meant. ▸ UNDERSTAND Paste a message and get: • Summary: What is it really about? • Emotions: What feelings are behind it? • Intention: What does the person want to achieve? • Conflict Level: How critical is the situation? • Translation: What does it mean in everyday language? ▸ RESPOND Write your response and have it improved: • Neutral – factual and professional • Friendly – de-escalating and warm • Assertive – clear and firm • Formal – for authorities and official matters ▸ FEATURES • Photo Import: Photograph letters and documents • Audio Import: Upload voice messages • Works Offline: The app works without internet • Privacy: Your messages are not stored ▸ FOR WHOM? • Conflicts with landlords, neighbors, colleagues • Difficult family situations • Stressful marketplace communication • Understanding official letters • Writing better emails to your boss subtxt is not therapy and does not replace professional advice. The AI analysis is an interpretation – not absolute truth. By ADHOCON GmbH, Germany.

Screenshots

Proton Authenticator4 screens
subtxt4 screens

Verdict

The call

The clearest difference is price: Proton Authenticator at Free against subtxt's $2.99. subtxt's advantage is iOS requirement (14.0 vs 17.0). On 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

Proton Authenticator is free to download; subtxt costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 8 level
Proton Authenticator versus subtxt: the parameters behind the verdict, then further details
ParameterProton Authenticatorsubtxt
PriceFree — better$2.99
Rating4.4 (242 ratings) — better—
Positive reviews55.7% of reviews—
Number of ratings242 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.014.0 — better
Further details — not scored
Size119 MB2 MB
Age rating4+4+
DeveloperProton AGADHOCON GmbH

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

subtxt

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proton Authenticator

No in-app purchases

None

subtxt

No in-app purchases

Questions

Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Is subtxt free?
subtxt costs $2.99, with no in-app purchases.
Do Proton Authenticator or subtxt have ads?
Neither Proton Authenticator nor subtxt shows ads.

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