A new app developed by technologist and saxophonist Bastus Trump rethinks the way we play music, with the help of infographics. Piano apps on the iPad have never felt quite right. They’re an ...

Diagrams is available on the Mac App Store for $22.99 — and that’s a one-time purchase. Users who have the previous version of the app will get Diagrams 2.0 for free.

Diagrams app is available on the Mac App Store for $19.99 as a special launch price for a limited time. After that, the app will cost $29.99, but it’s a one-time purchase without any subscriptions.