A secure, open-source note-taking app prioritizing user privacy. It encrypts all your data locally, ensuring only you and authorized users can access your notes. Offers seamless syncing and sharing across devices, with a developer-friendly command-line interface.
26.7.16
July 17, 2026
Several bug fixes and refinements, see the full changelog at: https://github.com/lockbook/lockbook/releases
Additional storage for your notes and files.
Lockbook does not collect any personal information such as email, phone number, or name. All notes are encrypted locally on your device, meaning even Lockbook employees cannot access your data.
Yes, Lockbook encrypts your notes with keys generated and stored on your devices. Only you and users you explicitly share with can access your notes, ensuring a high level of security.
Lockbook is free to download and use. A premium subscription is available for $2.99 per month, which includes 30GB of storage space.
Lockbook is available on Mac, iPhone, and iPad. The app is designed to feel native and performant on all supported platforms.
The latest version, 26.3.21, was released on March 21, 2026, indicating a commitment to ongoing development and updates.
Yes, Lockbook allows you to securely share your notes with other Lockbook users. Access is controlled by encryption keys managed on your devices.
Lockbook has an age rating of 4+, making it suitable for a wide range of users.
No, Lockbook does not contain advertisements. The app is funded by optional premium subscriptions.
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