Comparison

Proton Authenticator vs Murble

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

Murble

This app transcribes voice recordings on your device, generating summaries and action items. It offers robust search, organization tools, and privacy-focused features. An optional Pro subscription unlocks advanced functionalities like iCloud sync and AI chat with your notes.

Highlights
  • On-device transcription and AI summaries
  • Automatic action item detection
  • Advanced search and filtering
  • Smart folders and note organization
  • Private iCloud sync (Pro)
  • Chat with your notes (Pro)
Features
Read full description

Murble turns your voice into organized notes privately on iPhone and iPad. Record a thought, a meeting or a lecture. Murble transcribes it on device, writes a clear summary and finds action items. When you return, search every part of the note, combine filters, save smart folders, mark important moments and add more audio to the same note. No account. No cloud processing. No tracking. WHAT YOU GET FREE • Unlimited recording and on-device transcription • AI summaries with key points and highlights, in the style you choose • Automatic action items you can check off • Live transcription preview while you speak • Anonymous speaker labels you can rename, merge or split • Text notes, Share Extension, Siri, Shortcuts, widgets and Control Center actions • Search that reaches summaries, action items, speaker labels and folder names • One View menu for sorting and combinable filters, plus smart folders that keep themselves current • Select several notes at once to pin, move or delete them together • Markers you drop with one tap while recording, and can add or move afterwards • Add a new take to an existing note instead of starting a second one • A Storage screen that shows what your recordings take up, and clears audio past an age you pick • Categories, import and export (PDF, Markdown, SRT and more) • Face ID lock and optional auto-delete of audio MURBLE PRO • Apple Reminders sync: send action items to Reminders, completion syncs back • Chat with your notes: ask questions, get answers grounded in the recording • Detailed multi-section reports with decisions and next steps • Translations of transcripts and summaries • Private iCloud sync across your devices: choose whether sync carries your recordings PRIVACY FIRST Transcription and AI run on your iPhone, using Apple Intelligence or a downloadable offline model. With iCloud sync on, data is stored only in your private iCloud database. We cannot read your notes. Ever. Murble Pro is available as a monthly or yearly subscription, or a one-time lifetime purchase. The yearly plan starts with a 7-day free trial. Payment is charged to your Apple account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period. Terms of Use (EULA): https://getmurble.com/terms.html

Screenshots

Proton Authenticator4 screens
Murble4 screens

Verdict

The call

The clearest difference is rating: Proton Authenticator at 4.4 against Murble's 2.8. Proton Authenticator also leads on in-app purchases (none vs 3) and review sentiment (56% vs 33%). On price, ads, device support and iOS requirement 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. Murble sells 3 in-app purchases, starting at $2.99 per month. 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 2.8. That said, the two scores are not equally well evidenced: Proton Authenticator has 242 ratings behind it against 4, 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 33% of Murble's.

UpkeepUpdate frequency

Proton Authenticator ships an update weekly, Murble every 4 weeks. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Proton Authenticator versus Murble: the parameters behind the verdict, then further details
ParameterProton AuthenticatorMurble
PriceFreeFree
Rating4.4 (242 ratings) — better2.8 (4 ratings)
Positive reviews56.3% of reviews — better33.3% of reviews
Number of ratings242 — better4
Update frequencyWeekly — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.0 — better18.0
Further details — not scored
Size119 MB20 MB
Age rating4+4+
DeveloperProton AGLukasz Majda

Customer experience

Proton Authenticator

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

Murble

All ratings4 ratings
Positive25.0%
Neutral25.0%
Negative50.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

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

Murble

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Proton Authenticator

No in-app purchases

3 purchases

Murble

Subscriptions2
  • Murble Pro Monthly$2.991 Month
  • Murble Pro Yearly7 Days trial$19.991 Year
One-time1
  • Murble Pro Lifetime$59.99

Questions

Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Is Murble free?
Murble is free to download, with in-app purchases available.
Which has better reviews, Proton Authenticator or Murble?
Proton Authenticator is rated higher. Proton Authenticator averages 4.4 out of 5 from 242 ratings, while Murble averages 2.8 from 4 ratings.
Do Proton Authenticator or Murble have ads?
Neither Proton Authenticator nor Murble shows ads.
Which is updated more often, Proton Authenticator or Murble?
Proton Authenticator ships an update weekly, and Murble every 4 weeks. Most recently, Proton Authenticator was updated on October 1, 2026 and Murble on September 29, 2026.

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