Looks like a fairly basic sequencer app, this is the free version.
Bequence puts the power of sound at the tips of your finger! We provide you with a flexible audio soundboard, and a toolbox of sounds, and set you to work constructing your masterpiece. Multiple sequences allow you to build up a complex track, and in depth in-app help ensures you won’t be lost along the way.
This is the free (ad supported) version. For an ad-free experience, please give the full version a try!