# Proton Pass vs PDF Dark

The clearest difference is price: Proton Pass at Free against PDF Dark's $3.99. Proton Pass also leads on rating (4.8 vs 4.0) and update cadence (fortnightly vs every 11 months). PDF Dark's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Proton Pass is free to download; PDF Dark costs $3.99 up front. Proton Pass sells 2 in-app purchases, starting at $35.90 per year. PDF Dark asks for nothing beyond the download.

Proton Pass holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Proton Pass has 9K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Proton Pass's written reviews are positive against 40% of PDF Dark's.

Proton Pass ships an update fortnightly, PDF Dark every 11 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Proton Pass | PDF Dark |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.8 (9K ratings)](https://appshunter.io/ios/app/proton-pass-password-manager/id6443490629/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/pdf-dark/id6470178025/reviews) |
| Number of ratings | **9K** | 2 |
| Positive reviews | **67.6% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 11 months |
| Monetization | **Free** | Paid |
| Size | 264 MB | 1 MB |
| Requires iOS | **17.0** | 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 Pass

[App page](https://appshunter.io/ios/app/proton-pass-password-manager/id6443490629)

Secure your online identity with this free, open-source password manager. It offers end-to-end encryption, unlimited password storage across devices, and features like 2FA generation and email alias creation. Protect your accounts and enhance your digital security.

**Highlights:** Unlimited password storage, Cross-device synchronization, Autofill logins, 2FA code generation, Email alias creation, Data breach monitoring, Secure sharing

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pass Plus (12 months) | $35.90 | per year |
| Proton Unlimited 12 months | $119.99 | per year |

**What reviewers like**

- 🚀 Decent password manager
- 🔒 Secure and encrypted
- 👍 Integrated email alias feature
- 👍 Competitive pricing
- 👍 Attractive and intuitive apps

**What reviewers complain about**

- 🐛 Autofill issues
- 🐛 Logging out issues
- 🐛 Buggy and unreliable
- 🐛 Missing core features
- 🐛 Compatibility issues

**Reported bugs**

- Access token issues
- Freezing and crashing
- Compatibility problems with certain apps and websites
- Randomly logging out users

**Requested features**

- Ability to share passwords with non-Pass users
- Password strength indicator
- Passkey login support
- Easier password generator access
- More formatting options for notes


### 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 Pass free?

Proton Pass 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 Pass or PDF Dark?

Proton Pass is rated higher. Proton Pass averages 4.8 out of 5 from 9K ratings, while PDF Dark averages 4.0 from 2 ratings.

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

Neither Proton Pass nor PDF Dark shows ads.

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

Proton Pass ships an update fortnightly, and PDF Dark every 11 months. Most recently, Proton Pass was updated on November 7, 2026 and PDF Dark on November 3, 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.*