Saber APK v1.37.1 · Latest Version for Android
Saber is a handwritten notes app for stylus and finger, with PDF annotation, dark-mode ink inversion and encrypted sync across devices.
- Version
- 1.37.1
- Updated
- Oct 31, 2026
- Size
- 40 MB
- Requires
- Android 7.0+
- Developer
- Adil Hanney
- Category
- Productivity
- License
- GPL-3.0
- Package
- com.adilhanney.saber
Screenshots
What's New in v1.37.1
- Fixed some devices letting you import a PDF when Saber expects an image.
- Added a workaround to fix existing PDFs imported as images from making the note unreadable.
- Fixed the eraser not being able to erase a rectangle shape except near its corners.
- Increased memory efficiency when pasting an image from clipboard.
What is Saber?
Saber is built for handwriting. It works with a stylus or your finger, supports pressure sensitivity and can annotate PDFs. In dark mode it inverts notes, images and PDFs so you can write white on black, which is easier on the eyes in dim rooms.
Key Features
- Smooth handwriting with pressure support
- Annotate PDFs and images
- Dark mode inverts notes and documents
- Encrypted sync via Nextcloud
- Available on Android, iOS, Windows, macOS and Linux
Getting Started
Saber shines on tablets with a stylus. Students can import lecture slides as PDFs and write directly on them.
Open Source and Privacy
Saber is developed in the open by Adil Hanney and released under the GPL-3.0 license. The code is hosted at github.com/saber-notes/saber, so anyone can check what the app does. The version on this page has no ads or tracking libraries flagged by F-Droid.
How to Install Saber APK
- Tap Download and get the Saber v1.37.1 APK (40 MB).
- Optional: compare the file’s SHA-256 checksum with the one on the download page.
- Open the file and allow your browser or file manager to install unknown apps if asked.
- Tap Install. Updates from the same source install over this one and keep your data, because they are signed with the same key.
Previous Versions
- v1.36.4 (40 MB, 2026-10-27)
- v1.36.3 (41 MB, 2026-10-25)
Frequently Asked Questions
Is Saber free?
Yes. Saber is free and open-source software released under the GPL-3.0 license. It has no ads and no paid version is required to use it.
Is this Saber APK safe?
The APK on this page is the original file published in the F-Droid repository, unmodified. Its SHA-256 checksum is listed on the download page so you can verify it, and the full source code is public.
What Android version does Saber need?
Saber v1.37.1 requires Android 7.0 or newer.
Where can I find the source code of Saber?
The source code is available at https://github.com/saber-notes/saber. You can read it, report issues or contribute there.
