Comparison

SP Voice 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

SP Voice

Record high-quality audio discreetly with customizable fake backgrounds and a black screen interface. Control recordings remotely and protect files with a passcode. Supports Apple Watch for seamless operation.

Highlights
  • Discreet recording with fake backgrounds
  • Black screen interface
  • Remote control via Apple Watch
  • Passcode and biometric protection
  • Adjustable audio quality
  • Audio playback and editing
Features
Read full description

Want to record voice memo in highest quality without any notice. This is the app that you need: SP Voice. This is one of the best app for record conversations in any meeting without disturbing other. No need to place in your pocket or beg, place your device close to the source of voice and record, no one know that you are recording the voice. With SP Voice, you can record any audio voice without any UI controls appear while the device shows one of the fake backgrounds. Simulate that you are browsing the web, a blog or showing a still image while recording. Moreover, you can show, transparent, or hide all the UI controls to simulate a real spy experience. Addition, you can wirelessly remote this app via Apple watch. RECORDER • Automatic Mode: automatically do record action and other actions when app launch • Support upside down interface for even better voice recording quality • Highest quality voice recording by placing the device close to the source of voice • Ability to limit audio recording duration • Choose the audio quality between low, medium, high or best • Save recorded files inside app private folder with passcode protection PLAYER & EDITOR • Playback recorded audio at different speed: normal, slow or fast • Built-in audio editor to trim or delete audio data INTERFACE • Screen is completely black to simulate the device is turned off • Fake other people that you're on other activities by using fake backgrounds • Alternative static image slideshow or dynamic rotating clock or interactive web browsing fake backgrounds • Ability to your own image fake background • Dimmed screen with zero brightness in black background • Hideable all UI buttons on the screen • Adjustable the visible of the UI transparency • Make sure you tap the correct button with haptic feedback support PASSCODE • No one can stop your recording by secure the recording and lock all UI buttons with passcode • Support Touch ID and Face ID to unlock passcode • Advanced passcode system can lock recorder UI buttons, lock app access when launch, and lock access recorded audio files ACCESSORIES • Support cable and bluetooth earphone for recording and playback • Wirelessly remote this app via Apple Watch SHARING • Easy sharing from inside the app or use USB cable for iTunes Files Sharing • Direct sharing recorded files to cloud storage

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

SP Voice4 screens
Proton Authenticator4 screens

Verdict

The call

The clearest difference is price: Proton Authenticator at Free against SP Voice's $2.99. Proton Authenticator also leads on update cadence (weekly vs every 2 months) and review sentiment (56% vs 26%). SP Voice's advantage is iOS requirement (11.0 vs 17.0). On rating, ratings volume, ads and in-app purchases 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; SP Voice costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for SP Voice against 4.4 for Proton Authenticator. Both are backed by a comparable volume of ratings — 287 and 242 respectively. Written reviews are what separate them: 26% of SP Voice's written reviews are positive against 56% of Proton Authenticator's.

UpkeepUpdate frequency

SP Voice ships an update every 2 months, Proton Authenticator weekly. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
SP Voice versus Proton Authenticator: the parameters behind the verdict, then further details
ParameterSP VoiceProton Authenticator
Price$2.99Free — better
Rating4.4 (287 ratings)4.4 (242 ratings)
Positive reviews26.5% of reviews56.3% of reviews — better
Number of ratings287 — better242
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, Apple Watch
Requires iOS11.0 — better17.0
Further details — not scored
Size20 MB119 MB
Age rating17+4+
DeveloperRatha SouProton AG

Customer experience

SP Voice

All ratings287 ratings
Positive84.3%
Neutral4.9%
Negative10.8%
Written reviews34 reviews
Positive26.5%
Neutral5.9%
Negative67.6%

Proton Authenticator

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

User reviews

SP Voice

From 287 App Store ratings

What we love

  • 👍 Ease of use
  • ✨ Quality of recordings
  • 💯 No subscription required
  • ✅ Haptic feedback for discreet use

Room to improve

  • ❌ Fails to record
  • ❌ Recordings not accessible
  • ❌ App crashes or freezes
  • ❌ Not truly invisible/stealthy
  • ❌ Blank black screen on launch

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

SP Voice

Reported bugs

16 issues
  • App does not record
  • Cannot access recordings
  • App not allowing audio playback
  • Orange microphone indicator visible
  • Red indicator around clock visible
Show 11 more
  • App crashes continually
  • App stops recording on its own
  • Cannot click record button
  • Red recording indicator is present
  • Blank black screen on launch
  • Setup icon unresponsive after unlock
  • Lost saved files after reinstall
  • App does not work with latest iPhone update
  • Automatic mode not working
  • Red bar at the top of the screen is visible
  • Background scrolls back to 'None'

Requested features

9 requests
  • Provide support for forgotten codes/passcodes
  • Allow audio playback of previously recorded audio
  • Update to fix glitches preventing audio access
  • Ensure recordings continue even when timer rings
  • Add option to save recordings as .mp3
Show 4 more
  • Clarify recording duration limits
  • Provide warning for low memory during recording
  • Ensure data is saved when memory runs out
  • Fix recorded time display for over 1 hour

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

SP Voice

No in-app purchases

None

Proton Authenticator

No in-app purchases

Questions

Is SP Voice free?
SP Voice costs $2.99, with no in-app purchases.
Is Proton Authenticator free?
Proton Authenticator is free to download, with no in-app purchases.
Which has better reviews, SP Voice or Proton Authenticator?
SP Voice and Proton Authenticator are both rated 4.4 out of 5 on the App Store, from 287 and 242 ratings respectively.
Do SP Voice or Proton Authenticator have ads?
Neither SP Voice nor Proton Authenticator shows ads.
Which is updated more often, SP Voice or Proton Authenticator?
SP Voice ships an update every 2 months, and Proton Authenticator weekly. Most recently, SP Voice was updated on September 23, 2026 and Proton Authenticator on September 22, 2026.

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