OneNote and OneNote for Windows 10 are both note taking applications, but they have some key differences. OneNote for Windows 10 is a UWP app that is built for Windows 10 and available on all devices that run Windows 10. OneNote is also available on Mac, iOS, Android, and the web. OneNote for Windows 10 has a few more features than the other versions, including ink support, password protection, and audio recording.