What are some alternatives?
When comparing SunVox and G-Stomper Studio, you can also consider the following products
MilkyTracker - MilkyTracker is an open source, multi-platform music application for creating .MOD and .
KORG Gadget - KORG Gadget - From iOS to Mac. Music production software to help your musical imagination become reality.
Renoise - Renoise is a digital audio workstation.
Caustic - Caustic is a music creation tool inspired by rack-mount synthesizers / samplers rigs.
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.
NanoStudio - NanoStudio is a recording studio for iOS, OS X and Windows.