Comparison

Proton Drive vs Transfer Assistant

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

Transfer Assistant

Features
Read full description

Transfer Assistant|iPhone ↔ PC Wireless File Transfer. Tired of tangled USB cables, slow cloud storage speeds and file size limits of social apps? Designed exclusively for cross-platform transmission between iPhone and PC, Transfer Assistant requires no PC installation. You can transfer documents, photos, 4K videos, archives and texts at high speed simply via a browser, with secure and fast peer-to-peer local network connection. 3 Simple Steps for Instant Connection 1. Install and launch the app on your iPhone to generate a unique access link 2. Open any browser (Chrome, Edge, Firefox) on your PC device, enter the link and connect in 1 second 3. Share files, images and texts like instant messaging. All files from PC will be automatically saved to the exclusive folder without manual operation Core Features No PC Software Required: Works perfectly with only a browser, even on restricted office computers without administrator privileges No File Size/Quantity Limits: Transfer large files such as 1GB HD videos and oversized archives without restrictions Private Local Network Transfer: Peer-to-peer local transmission without third-party cloud servers. Encrypted sessions fully protect your data privacy Chat-Style Interaction: Drag-and-drop files, paste screenshots and send texts in real time with zero learning curve Automatic File Archiving: All transferred files are automatically categorized in a dedicated folder for one-click preview, sharing and export Full Format Compatibility: Supports all mainstream formats including PDF, Word, Excel, images, 4K videos and ZIP archives Ultra-Fast LAN Speed: Transfer speed up to 20–80MB/s. A 1GB video can be transferred in tens of seconds, far faster than Bluetooth, cloud storage and social apps Application Scenarios Office Workers: Transmit reports, whiteboard photos and documents cross-device for convenient on-the-go office work Students: Realize two-way transmission of papers and handwritten notes, completely replacing U-disks Content Creators: Transfer original iPhone HD footage to PC for lossless editing, and preview works on mobile quickly Daily Family Use: Batch back up photos without iCloud paid subscriptions, support one-click download for family computers Advantages Over Traditional Tools Compared with USB cables, Bluetooth, social apps and cloud storage, our tool requires no PC installation, has no file limits, supports automatic archiving and two-way text transmission, and adopts local encryption to balance convenience, speed and security. FAQ Is no PC software really required? Yes. Only a mainstream browser is needed, compatible with restricted office devices without administrator rights. Do iPhone and PC need the same WiFi? The same WiFi ensures optimal transmission speed. You can also enable your phone hotspot for connection if no shared network is available. Where are the transferred files saved? All files are automatically stored in the exclusive Transfer Assistant folder for preview and sharing at any time. Is the transmission secure? All transmissions are peer-to-peer without cloud uploads. Each session is independently encrypted and invalidated after closing, avoiding data leakage. Privacy Policy: https://transfer.mxcode.com/privacy.html Terms and Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Proton Drive4 screens
Transfer Assistant4 screens

Verdict

The call

The clearest difference is update cadence: Proton Drive at fortnightly against Transfer Assistant's every 2 months. On price, ads, in-app purchases and device support 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 and Transfer Assistant sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Proton Drive ships an update fortnightly, Transfer Assistant every 2 months. The most recent releases landed on September 26, 2026 and September 11, 2026 respectively.

Scorecard1 real difference · 9 level
Proton Drive versus Transfer Assistant: the parameters behind the verdict, then further details
ParameterProton DriveTransfer Assistant
PriceFreeFree
Rating4.1 (1.1K ratings) — better—
Positive reviews36.9% of reviews—
Number of ratings1.1K — better—
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size235 MB17 MB
Age rating4+4+
DeveloperProton AG晖 姚

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

Transfer Assistant

Not enough reviews yet to summarise bugs or requests.

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
3 purchases

Transfer Assistant

Subscriptions3
  • 1-Year Plan$4.991 Month
  • 1-Quarter Plan$12.993 Months
  • 1-Year Plan$39.991 Year

Questions

Is Proton Drive free?
Proton Drive is free to download, with in-app purchases available.
Is Transfer Assistant free?
Transfer Assistant is free to download, with in-app purchases available.
Do Proton Drive or Transfer Assistant have ads?
Neither Proton Drive nor Transfer Assistant shows ads.
Which is updated more often, Proton Drive or Transfer Assistant?
Proton Drive ships an update fortnightly, and Transfer Assistant every 2 months. Most recently, Proton Drive was updated on September 26, 2026 and Transfer Assistant on September 11, 2026.

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