Koofr Vault
Koofr Vault is a free, open-source security app for Android and iOS. Open source, client-side, zero-knowledge encrypted storage application by Koofr. It has 203 GitHub stars and is released under the MIT license, and you can install it from F-Droid, Google Play and the App Store.
About Koofr Vault
Koofr Vault is an open source, client-side, zero-knowledge encrypted storage application by Koofr. Unlock enhanced security for your files. Discover a better way to securely store and access your photos, videos and documents. Included in all Koofr plans, even in the free one. Start using Koofr Vault now to make your life more secure. First time users must create a free Koofr account. Access everything through the Koofr Vault mobile app for Android.
Privacy and F-Droid
F-Droid builds Koofr Vault from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
- Relies on a non-free network service
Screenshots
Screenshots from the app's F-Droid listing.
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What is Koofr Vault?
Koofr Vault is a free, open-source security app for Android and iOS. Open source, client-side, zero-knowledge encrypted storage application by Koofr. It has 203 GitHub stars and is released under the MIT license, and you can install it from F-Droid, Google Play and the App Store.
Is Koofr Vault free and open source?
Yes. Koofr Vault's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free. F-Droid flags these anti-features on its latest build: relies on a non-free network service.
How do I install Koofr Vault?
You can install Koofr Vault from F-Droid (package net.koofr.vault), from Google Play and from the App Store; the links are on this page. Its GitHub repository also publishes releases (latest: v0.1.26).
Is Koofr Vault still maintained?
The repository's most recent commit was on Aug 13, 2026. Its F-Droid listing was last updated on Aug 16, 2026. appsgit only lists apps whose repository had a commit in the last six months.