PngNote icon

PngNote is a free, open-source, handwriting note-taking app based on BOOX SDK.

  • Use BOOX SDK: Leverage raw-rendering feature, similar stylus lag to the pre-installed note app.
  • Open-source.
  • Simple, minimum features: Just pencil, erasure, undo, redo.
  • Open data format: Use serial number png files with plain directories. Easy to share data by any folder-sync app. No need to export!

Supported device

Here are the supported devices I heard.

  • BOOX Note3
  • BOOX Note2
  • BOOX Note Air
  • Nova2

Following devices are not working

  • Poke3

I think most of Onyx devices except for the Poke series are working.

Also, there is a version for non-BOOX, standard Android devices in branch. (I will put apk if someone want)

Download apk

The apks of PngNote are at

Screen shots

PngNote icon PngNote icon PngNote icon



All codes are distributed under the MIT license.

Copyright: karino2

Icon assets

Launcher icon assets (ic_launcher.png) are distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International

Artists, Copyright: きみどり-san (twitter: @kani_beam__)