Software:Proton Drive

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Proton Drive
Original author(s)Andy Yen
Developer(s)Proton AG
Initial releaseNovember 16, 2020 (paid beta)

June 2021 (free beta)

September 22, 2022
Repositorygithub.com/ProtonDriveApps
Written inC#

Swift

Kotlin
Website

Proton Drive is an end-to-end encrypted, cloud-based file storage and synchronization service developed by Proton AG.[1] Proton Drive enables storing files in the cloud, synchronizing files across devices, and sharing files securely. It is accessible through a web application, desktop applications for Windows and macOS, and mobile applications for Android and iOS.[2]

The software is open source and security is independently audited.[3]

History

Proton Drive's development began in 2019, supported by a grant from the European Union's Horizon 2020 research and innovation program.

A beta version of the Proton Drive service was launched to paid Proton subscribers on November 16, 2020, and opened to non-paid users in June 2021.[4][5]

In October 2021, the Proton Drive web app underwent an independent security audit by Securitum. During August and September 2022, Proton Drive Android and iOS apps were also independently audited by Securitum.[6][7]

The service exited beta and launched publicly via web app on September 22, 2022, followed by the release of iOS and Android apps on December 7, 2022.[8][9][10][11]

The source code for the Android and iOS apps was open-sourced on March 2, 2023, along with the publication of the security audits.[12][13][14][15]

On May 16, 2023, Proton Drive launched a version control feature that allows users to restore older versions of their files,[16][17] and launched a Windows app on July 12, 2023.[18][19][20] A desktop app for macOS was released on November 23, 2023.[21][22] A photo backup feature for Android was added on December 7, 2023.[23][24][25]

On February 20, 2024, Proton Drive increased the storage limits for its free plan from 1GB to 5GB.

On July 3, 2024, Proton released Proton Docs in Proton Drive, an end-to-end encrypted, real-time collaborative, document editor feature.[26][27][28] In August, the company launched Proton Drive for Business, offering real-time cloud collaboration for teams.[29]

On December 4, 2025, Proton launched Proton Sheets, a companion service for Proton Docs allowing for spreadsheet creation.[30]

Reception

Proton Drive received mixed reviews upon launch. Reviewers noted the low storage limits and lack of features but also noted the high level of security.

Cloudwards commented,[31]

the size of a free account (up to 1GB) combined with basic sharing and no collaboration make Proton Drive feel light on features. What you trade in productivity, however, you more than make up for in security and privacy.

PCMag remarked,[32]

If security and privacy are your main concern in a cloud storage app, Proton Drive is the best choice. But that peace of mind comes at a price.

Subsequent releases and feature updates improved its reception. Following the release of the macOS desktop app, Boy Genius Report wrote,[33]

Proton Drive is the app that might make me finally switch over from Google.

After the Windows app launch, Android Police noted,[16]

Proton Drive is finally becoming a viable alternative to Google Drive.

In February 2024, PCMag rated Proton Drive the best cloud storage provider for privacy and security.[34]

References

  1. ↑ Perrigo/Geneva, Billy (2022-05-12). "Proton's CEO Wanted to Fight Dictatorships. Now He's Fighting Big Tech Too" (in en). https://time.com/6176214/proton-ceo-andy-yen-profile/. 
  2. ↑ Singletary, Michelle (May 15, 2024). "Look to the cloud to protect the life documents saved on your computer". https://www.washingtonpost.com/business/2024/05/15/cloud-storage-financial-records-documents/. 
  3. ↑ "Proton Drive Update: Secure Editing With Encrypted Suggesting Mode Unveiled" (in en). https://www.lifewire.com/proton-update-for-business-8740519. 
  4. ↑ "The most secure collaboration suite in the world | ProtonSuite Project | Fact Sheet | H2020" (in en). https://cordis.europa.eu/project/id/848554. 
  5. ↑ "Proton lanciert Google-Drive-Alternative" (in de). 2022-09-26. https://www.swisscybersecurity.net/cybersecurity/2022-09-26/proton-lanciert-google-drive-alternative. 
  6. ↑ "Securitum Proton Drive Mobile Android | PDF | Security | Computer Security" (in en). https://www.scribd.com/document/641875487/Securitum-Proton-Drive-Mobile-Android. 
  7. ↑ "Securitum Proton Drive Mobile IOS | PDF" (in en). https://www.scribd.com/document/641880079/Securitum-Proton-Drive-Mobile-IOS. 
  8. ↑ "Après Protonmail, la firme genevoise Proton lance son alternative à Google Drive" (in fr). 2022-09-26. https://www.ictjournal.ch/news/2022-09-26/apres-protonmail-la-firme-genevoise-proton-lance-son-alternative-a-google-drive. 
  9. ↑ Weatherbed, Jess (2022-12-07). "Proton's encrypted cloud storage service is now a mobile app" (in en). https://www.theverge.com/2022/12/7/23497926/proton-drive-mobile-app-security-ios-android-encryption. 
  10. ↑ Mathur, Chandraveer (2023-11-23). "This Google Drive competitor is now a full-fledged alternative" (in en). https://www.androidpolice.com/proton-drive-macos-client-launched-google-drive-alternative/. 
  11. ↑ "Proton Drive's Secure Cloud Storage Finally Lands on Android, iOS" (in en-gb). 2022-12-07. https://uk.pcmag.com/cloud-file-storage-for-business/144242/proton-drives-secure-cloud-storage-finally-lands-on-android-ios. 
  12. ↑ "Proton Drive" (in en). https://github.com/ProtonDriveApps. 
  13. ↑ ProtonDriveApps/ios-drive, Proton Drive, 2024-06-19, https://github.com/ProtonDriveApps/ios-drive, retrieved 2024-06-26 
  14. ↑ ProtonDriveApps/android-drive, Proton Drive, 2024-06-21, https://github.com/ProtonDriveApps/android-drive, retrieved 2024-06-26 
  15. ↑ "Proton Drive Mobile Apps Are Now Open Source" (in en). 2023-03-03. https://news.itsfoss.com/proton-drive-mobile-open-source/. 
  16. ↑ 16.0 16.1 Vonau, Manuel (2023-07-13). "Proton Drive is finally becoming a viable alternative to Google Drive" (in en). https://www.androidpolice.com/proton-drive-viable-alternative-google-drive/. 
  17. ↑ Castro, Chiara (2023-07-12). "Google Drive, watch out—Proton Drive lands on Windows" (in en). https://www.techradar.com/computing/computing-security/google-drive-watch-outprivacy-first-proton-drive-lands-on-windows. 
  18. ↑ "Proton is releasing a native encrypted file-syncing app for Windows" (in en-US). 2023-07-12. https://www.engadget.com/proton-is-releasing-a-native-encrypted-file-syncing-app-for-windows-120002705.html. 
  19. ↑ Heinzman, Andrew (2023-07-12). "Proton Drive Finally Gets a Windows App" (in en). https://www.howtogeek.com/158659/proton-drive-finally-gets-a-windows-app/. 
  20. ↑ Sawers, Paul (2023-07-12). "Proton brings its encrypted cloud storage service to desktop" (in en-US). https://techcrunch.com/2023/07/12/proton-brings-its-encrypted-cloud-storage-service-to-desktop/. 
  21. ↑ "Proton Drive Encrypted Cloud Storage App Now Available for Mac" (in en). 2023-11-23. https://www.macrumors.com/2023/11/23/proton-drive-cloud-storage-app-mac/. 
  22. ↑ Sawers, Paul (2023-11-23). "Proton Drive encrypted cloud storage service arrives on Mac" (in en-US). https://techcrunch.com/2023/11/23/proton-drive-mac-encrypted/. 
  23. ↑ "Proton Drive Wants to Make Your Photos More Secure" (in en). https://www.lifewire.com/proton-drive-photo-backup-8411882. 
  24. ↑ Castro, Chiara (2023-12-13). "You can now securely backup all your photos on mobile with Proton Drive" (in en). https://www.techradar.com/computing/cyber-security/you-can-now-securely-backup-all-your-photos-on-mobile-with-proton-drive. 
  25. ↑ Roth, Emma (2023-12-07). "Proton Drive is adding an encrypted photo backup feature on Android" (in en). https://www.theverge.com/2023/12/7/23991301/proton-drive-photos-android-sync. 
  26. ↑ Burgess, Matt (2024-07-03). "Proton Is Launching Encrypted Documents to Take On Google Docs" (in en). https://www.wired.com/story/proton-docs-end-to-end-encryption-google-docs/. 
  27. ↑ Pierce, Davis (2024-07-03). "Proton just launched a privacy-focused alternative to Google Docs" (in en). https://www.theverge.com/2024/7/3/24190732/proton-docs-document-editor-privacy-google. 
  28. ↑ Vijay, Anany (2024-07-03). "Introducing Docs in Proton Drive – Collaborative document editing that's actually private" (in en). https://proton.me/blog/docs-proton-drive. 
  29. ↑ Collins, Benedict (2024-08-27). "Proton unveils Proton Drive for Business" (in en). https://www.techradar.com/pro/proton-unveils-proton-drive-for-business. 
  30. ↑ "Introducing Proton Sheets: Secure spreadsheets for business" (in en). 2025-12-04. https://proton.me/blog/sheets-proton-drive. 
  31. ↑ "Proton Drive Review 2024 [Features, Pricing, Security & More"] (in en). 2024-02-01. https://www.cloudwards.net/review/proton-drive/. 
  32. ↑ "Proton Drive Review" (in en). https://www.pcmag.com/reviews/proton-drive. 
  33. ↑ Smith, Chris (2023-11-24). "Proton Drive might help me ditch Google, and it now has a Mac app" (in en-US). https://bgr.com/tech/proton-drive-might-help-me-ditch-google-and-it-now-has-a-mac-app/. 
  34. ↑ "The Best Cloud Storage and File-Sharing Services for 2024" (in en). https://www.pcmag.com/picks/the-best-cloud-storage-and-file-sharing-services. 



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