# Proton Authenticator vs PDFScanner Neo

The clearest difference is review sentiment: Proton Authenticator at 56% against PDFScanner Neo's 0%. Proton Authenticator also leads on rating (4.4 vs 2.0) and in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDFScanner Neo sells 2 in-app purchases, starting at $3.99 per month. Proton Authenticator asks for nothing beyond the download.

Proton Authenticator holds the better App Store score, 4.4 against 2.0. 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 0% of PDFScanner Neo's.

Proton Authenticator ships an update weekly, PDFScanner Neo every 10 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Proton Authenticator | PDFScanner Neo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (242 ratings)](https://appshunter.io/ios/app/proton-authenticator/id6741758667/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/pdfscanner-neo/id6773280848/reviews) |
| Number of ratings | **242** | 4 |
| Positive reviews | **55.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 119 MB | 20 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Felix Rotthowe](https://appshunter.io/developer/410968117) |

## What reviewers say

### 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


### PDFScanner Neo

[App page](https://appshunter.io/ios/app/pdfscanner-neo/id6773280848)

Easily scan paper documents into searchable PDFs using your device camera or network hardware scanners. Offers features like OCR, automatic page cleanup, and smart saving for efficient document capture and organization.

**Highlights:** Scan from Wi-Fi and network scanners, Scan with device camera, Optical character recognition (OCR), Automatic page cleanup and correction, Fast page organization, Compact PDF export, Smart Save with presets

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Neo Pro Monthly | $3.99 | per month |
| Neo Pro Yearly | $44.99 | per year |


## Frequently asked questions

### Is Proton Authenticator free?

Proton Authenticator is free to download, with no in-app purchases.

### Is PDFScanner Neo free?

PDFScanner Neo is free to download, with in-app purchases available.

### Which has better reviews, Proton Authenticator or PDFScanner Neo?

Proton Authenticator is rated higher. Proton Authenticator averages 4.4 out of 5 from 242 ratings, while PDFScanner Neo averages 2.0 from 4 ratings.

### Do Proton Authenticator or PDFScanner Neo have ads?

Neither Proton Authenticator nor PDFScanner Neo shows ads.

### Which is updated more often, Proton Authenticator or PDFScanner Neo?

Proton Authenticator ships an update weekly, and PDFScanner Neo every 10 days. Most recently, Proton Authenticator was updated on October 16, 2026 and PDFScanner Neo on October 5, 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.*