# Proton Drive vs PDF Dark

The clearest difference is price: Proton Drive at Free against PDF Dark's $3.99. Proton Drive also leads on update cadence (fortnightly vs every 11 months) and ratings volume (1.3K vs 2). PDF Dark's advantage is in-app purchases (none vs 9). On rating, ads, device support and iOS requirement there is nothing between them.

Proton Drive is free to download; PDF Dark costs $3.99 up front. Proton Drive sells 9 in-app purchases, starting at $0.99 per month. PDF Dark asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.1 for Proton Drive against 4.0 for PDF Dark. That said, the two scores are not equally well evidenced: Proton Drive has 1.3K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 37% of Proton Drive's written reviews are positive against 25% of PDF Dark's.

Proton Drive ships an update fortnightly, PDF Dark every 11 months. The most recent releases landed on October 26, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Proton Drive | PDF Dark |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.1 (1.3K ratings)](https://appshunter.io/ios/app/proton-drive-cloud-storage/id1509667851/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/pdf-dark/id6470178025/reviews) |
| Number of ratings | **1.3K** | 2 |
| Positive reviews | **37.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 11 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 235 MB | 1 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Jorge Lucioni Charalla](https://appshunter.io/developer/1198674844) |

## What reviewers say

### Proton Drive

[App page](https://appshunter.io/ios/app/proton-drive-cloud-storage/id1509667851)

Securely store and back up your files and photos with end-to-end encryption. Access your content across devices, share securely with password protection, and enjoy peace of mind with Swiss privacy laws. Offers free storage with upgrade options.

**Highlights:** End-to-end encrypted storage, Automatic photo and video backup, Secure link sharing with passwords, PIN/biometric protection, Offline file access, File version history

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drive Lite 1 month | $0.99 | per month |
| Drive Plus 1 month | $4.99 | per month |
| Drive Plus 1 TB (1 month) | $9.99 | per month |
| Proton Unlimited 1 month | $14.99 | per month |
| Drive Plus 1 year | $47.90 | per year |
| Drive Plus 1 TB (1 year) | $95.99 | per year |
| Proton Unlimited 1 year | $119.00 | per year |
| Drive Plus | $59.99 | one-time |
| Proton Unlimited | $149.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and private
- 👍 Simple and intuitive UI
- 💡 Integrated with iOS Files app

**What reviewers complain about**

- 🐛 Buggy and unreliable
- 🔋 High battery consumption
- 📥 Slow upload/download speeds
- 🗂️ Lacking key features like search and sorting

**Reported bugs**

- Frequent crashes and errors
- Inconsistent file syncing across devices
- Unable to access files uploaded from desktop
- Issues with offline file access

**Requested features**

- Automatic photo/video backup
- Ability to edit documents within the app
- Seamless integration with other apps for file sharing
- Linux desktop client


### PDF Dark

[App page](https://appshunter.io/ios/app/pdf-dark/id6470178025)

Transform bright PDF pages into a comfortable dark mode for easier reading at night. Reduce eye strain, improve focus, and potentially save battery life. Enjoy a smoother reading experience on your devices.

**Highlights:** Dark mode for PDFs, Reduced eye strain, Improved focus, Battery saving, Multi-device support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Proton Drive free?

Proton Drive is free to download, with in-app purchases available.

### Is PDF Dark free?

PDF Dark costs $3.99, with no in-app purchases.

### Which has better reviews, Proton Drive or PDF Dark?

Proton Drive is rated higher. Proton Drive averages 4.1 out of 5 from 1.3K ratings, while PDF Dark averages 4.0 from 2 ratings.

### Do Proton Drive or PDF Dark have ads?

Neither Proton Drive nor PDF Dark shows ads.

### Which is updated more often, Proton Drive or PDF Dark?

Proton Drive ships an update fortnightly, and PDF Dark every 11 months. Most recently, Proton Drive was updated on October 26, 2026 and PDF Dark on October 16, 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.*