# SP Voice vs Proton Authenticator

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.

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.

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.

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.

## The numbers

| Metric | SP Voice | Proton Authenticator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.4 (287 ratings)](https://appshunter.io/ios/app/sp-voice/id718952607/reviews) | [4.4 (242 ratings)](https://appshunter.io/ios/app/proton-authenticator/id6741758667/reviews) |
| Number of ratings | **287** | 242 |
| Positive reviews | 26.5% of reviews | **56.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | **Free** |
| Size | 20 MB | 119 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Ratha Sou](https://appshunter.io/developer/590343618) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### SP Voice

[App page](https://appshunter.io/ios/app/sp-voice/id718952607)

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:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App does not record
- Cannot access recordings
- App not allowing audio playback
- Orange microphone indicator visible
- Red indicator around clock visible

**Requested features**

- 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


### Proton Authenticator

[App page](https://appshunter.io/ios/app/proton-authenticator/id6741758667)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Cross-platform support
- 🔒 Secure cloud sync
- 👍 Easy import from other authenticators
- 🚀 Convenient 'next' feature for codes

**What reviewers complain about**

- 🐛 Buggy UI (scrolling jitters, random sorting)
- 👎 Lack of customization options (pin favorites, change icons)
- 🐛 Sync/login issues on iPad

**Reported bugs**

- Sync/login loop on iPad
- 2FA input broken on non-iPhone devices
- Screen strobing on iPad
- Duplicate entries after import

**Requested features**

- PIN unlock for desktop
- Alphabetical sorting option
- Export function (not just Proton-specific backup)
- Native macOS app
- Option to hide item icons


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*