What are some alternatives?
When comparing Ableton and Ramsophone, you can also consider the following products
NanoStudio - NanoStudio is a recording studio for iOS, OS X and Windows.
Splice Beat Maker - Make and share beats in your browser
AudioKit Synth One - Free & Open-source iPhone/iPad Synth 🎹
Sampulator - Make (and record) beats on your keyboard
Mubert - Electronic music generated in real-time just for you
BlokDust - Join blocks together to build sounds with this web-based music making app.