Comparison

Proton Drive vs Obsidian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Proton Drive

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
Read full description

Proton Drive provides private and secure storage for your files and photos. With Proton Drive you can protect important documents, automatically back up cherished memories, and access your content across devices. All Proton Drive accounts come with 5 GB of free storage and you can upgrade to up to 1 TB of storage at any time. Trusted by over 100 million users, Proton Drive gives you an end-to-end encrypted vault where only you—and the people you choose—can access your files and photos. Proton Drive features: - Secure storage - Get 5 GB of free encrypted cloud storage with no file size limits. - Share content using secure links with password and expiration settings. - Keep your files and photos safe with PIN or biometric protection. - Access important files and photos even if your device is lost or damaged. Easy to use - Automatically back up photos and videos in their original quality. - Securely organize your cherished memories into albums. - Rename, move, and delete your personal files securely within the app. - Create, edit and collaborate on docs. - View your important files and memories – even when offline. - Restore files with version history. Advanced privacy - Stay private with end-to-end encryption – even Proton can’t view your content. - Secure your metadata, including filenames, sizes, and modification dates. - Protect your content with Swiss privacy laws, the strongest in the world. - Trust in our open-source code that is public and verified by experts. Secure up to 5 GB of free storage for your personal files, photos, and videos with Proton Drive.  Stay ahead with our releases and updates by connecting with us! - LinkedIn: https://www.linkedin.com/company/protonprivacy - Instagram: https://www.instagram.com/protonprivacy/ - X/Twitter: https://x.com/ProtonDrive - Reddit: https://www.reddit.com/r/ProtonDrive/ Terms of Service: https://proton.me/legal/terms Privacy Policy: https://proton.me/legal/privacy

About

Obsidian

Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.

Highlights
  • Local Markdown file storage
  • Customizable toolbar
  • Graph view for connections
  • Community plugins
  • Themes
  • iCloud sync
Features
Read full description

Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files. It is a second brain, for you, forever. Now available on the go for iOS! Features include: - Customizable toolbar - Pull down quick actions - Graph view - Community plugins - Themes - Sidebar pinning for tablet - iCloud vaults

Screenshots

Proton Drive4 screens
Obsidian4 screens

Verdict

The call

The clearest difference is in-app purchases: Obsidian at none against Proton Drive's 9. Obsidian also leads on rating (4.5 vs 4.1) and review sentiment (62% vs 37%). On price, ratings volume, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Obsidian holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 1.1K and 2.7K respectively. Written reviews point the same way: 37% of Proton Drive's written reviews are positive against 62% of Obsidian's.

UpkeepUpdate frequency

Proton Drive ships an update fortnightly, Obsidian every 3 weeks. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard5 real differences · 6 level
Proton Drive versus Obsidian: the parameters behind the verdict, then further details
ParameterProton DriveObsidian
PriceFreeFree
Rating4.1 (1.1K ratings)4.5 (2.7K ratings) — better
Positive reviews36.9% of reviews62.1% of reviews — better
Number of ratings1.1K2.7K — better
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank—#135 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size235 MB38 MB
Age rating4+4+
DeveloperProton AGDynalist Inc.

Customer experience

Proton Drive

All ratings1,148 ratings
Positive74.2%
Neutral9.0%
Negative16.8%
Written reviews876 reviews
Positive36.9%
Neutral21.9%
Negative41.2%

Obsidian

All ratings2,674 ratings
Positive85.6%
Neutral4.0%
Negative10.5%
Written reviews1,303 reviews
Positive62.1%
Neutral11.9%
Negative26.0%

User reviews

Proton Drive

From 1.1K App Store ratings

What we love

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

Room to improve

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

Obsidian

From 2.7K App Store ratings

What we love

  • 🚀 Powerful features
  • 👍 Customizable and flexible
  • 🔒 Secure and private
  • 💡 Innovative note-taking approach
  • 🚀 Smooth mobile experience

Room to improve

  • 🐛 Sync issues and unreliable iCloud integration
  • 🔋 Slow startup and performance issues on mobile
  • 👎 Steep learning curve for new users
  • 👎 Limited sorting and organization options
  • 👎 Lack of WYSIWYG editing on mobile

Bugs and requests

Proton Drive

Reported bugs

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

Requested features

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

Obsidian

Reported bugs

3 issues
  • Sync issues leading to data loss
  • Freezing and crashing on mobile devices
  • Editing bugs and text input issues

Requested features

5 requests
  • Improved sorting and organization options
  • WYSIWYG editing on mobile
  • Better integration with other cloud storage services
  • More intuitive onboarding process for new users
  • Native mobile widgets and share sheet integration

In-app purchases

9 purchases

Proton Drive

Subscriptions7
  • Drive Lite 1 month$0.991 Month
  • Drive Plus 1 month$4.991 Month
  • Drive Plus 1 TB (1 month)$9.991 Month
Show 4 more
  • Proton Unlimited 1 month$14.991 Month
  • Drive Plus 1 year$47.901 Year
  • Drive Plus 1 TB (1 year)$95.991 Year
  • Proton Unlimited 1 year$119.001 Year
One-time2
  • Drive Plus$59.99
  • Proton Unlimited$149.99
None

Obsidian

No in-app purchases

Questions

Is Proton Drive free?
Proton Drive is free to download, with in-app purchases available.
Is Obsidian free?
Obsidian is free to download, with no in-app purchases.
Which has better reviews, Proton Drive or Obsidian?
Obsidian is rated higher. Proton Drive averages 4.1 out of 5 from 1.1K ratings, while Obsidian averages 4.5 from 2.7K ratings.
Do Proton Drive or Obsidian have ads?
Neither Proton Drive nor Obsidian shows ads.
Which is updated more often, Proton Drive or Obsidian?
Proton Drive ships an update fortnightly, and Obsidian every 3 weeks. Most recently, Proton Drive was updated on September 26, 2026 and Obsidian on September 25, 2026.

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