Butterfly APK v2.6.2 · Latest Version for Android
Butterfly is an infinite canvas for handwritten notes, sketches, diagrams and PDFs. Write with a stylus or type, then export to PDF or SVG.
- Version
- 2.6.2
- Updated
- Oct 31, 2026
- Size
- 124 MB
- Requires
- Android 7.0+
- Developer
- Linwood
- Category
- Productivity
- License
- AGPL-3.0
- Package
- dev.linwood.butterfly
Screenshots
What's New in v2.6.2
- Fix selecting perfectly horizontal and vertical lines ([#1323](https://github.com/LinwoodDev/Butterfly/issues/1323))
What is Butterfly?
Butterfly gives you an endless workspace instead of fixed pages. You can handwrite, type text and Markdown, draw shapes, place images and import PDFs anywhere on the canvas, which suits brainstorming, class notes and planning.
Key Features
- Infinite canvas for notes and sketches
- Stylus, touch and mouse input
- Import PDFs, images and SVGs
- Export to PDF, SVG and images
- Available on Android, Windows, macOS, Linux and web
Getting Started
Create a new document, choose a pen and start writing. Use layers and areas to keep large canvases organised.
Open Source and Privacy
Butterfly is developed in the open by Linwood and released under the AGPL-3.0 license. The code is hosted at github.com/LinwoodDev/Butterfly, 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 Butterfly APK
- Tap Download and get the Butterfly v2.6.2 APK (124 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
- v2.6.1 (123 MB, 2026-10-18)
Frequently Asked Questions
Is Butterfly free?
Yes. Butterfly is free and open-source software released under the AGPL-3.0 license. It has no ads and no paid version is required to use it.
Is this Butterfly 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 Butterfly need?
Butterfly v2.6.2 requires Android 7.0 or newer.
Where can I find the source code of Butterfly?
The source code is available at https://github.com/LinwoodDev/Butterfly. You can read it, report issues or contribute there.