# Proton Drive vs SkyMarks

The clearest difference is rating: SkyMarks at 5.0 against Proton Drive's 4.1. SkyMarks also leads on in-app purchases (none vs 9) and update cadence (every 5 days vs fortnightly). Proton Drive's advantage is ratings volume (1.2K vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Proton Drive sells 9 in-app purchases, starting at $0.99 per month. SkyMarks asks for nothing beyond the download.

SkyMarks holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Proton Drive has 1.2K ratings behind it against 2, so its average is the more settled of the two.

Proton Drive ships an update fortnightly, SkyMarks every 5 days. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Proton Drive | SkyMarks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (1.2K ratings)](https://appshunter.io/ios/app/proton-drive-cloud-storage/id1509667851/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/skymarks/id6739005862/reviews)** |
| Number of ratings | **1.2K** | 2 |
| Positive reviews | 37.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 235 MB | 13 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Old Jewel Software](https://appshunter.io/developer/284830318) |

## 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


### SkyMarks

[App page](https://appshunter.io/ios/app/skymarks/id6739005862)

This app helps you save and organize posts from the Bluesky social media platform. It allows you to bookmark content from your browser and access it later across all your Apple devices. Features include searching by text, author, or image content, and organizing bookmarks with tags.

**Highlights:** Bookmark Bluesky posts, Cross-device synchronization, Search by text, author, or image, Tagging and filtering, Organize bookmarked content

**In-app purchases:** none


## Frequently asked questions

### Is Proton Drive free?

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

### Is SkyMarks free?

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

### Which has better reviews, Proton Drive or SkyMarks?

SkyMarks is rated higher. Proton Drive averages 4.1 out of 5 from 1.2K ratings, while SkyMarks averages 5.0 from 2 ratings.

### Do Proton Drive or SkyMarks have ads?

Neither Proton Drive nor SkyMarks shows ads.

### Which is updated more often, Proton Drive or SkyMarks?

Proton Drive ships an update fortnightly, and SkyMarks every 5 days. Most recently, Proton Drive was updated on October 21, 2026 and SkyMarks on October 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.*