I got a Digitakt 2 last fall and immediately got interested in using single cycle waveforms to create synth sounds with it. I had an idea about how to make my own SCWs which led to this iOS app I built called Wave Sculptor. It helps you combine waveforms to create a wavetable with multiple steps where each step can be slightly different. This work great in a grid machine on the Digitakt as you can have it loop the playback and modulate the slice select to get a different timbre.
It works by layering waveforms together and then allowing you to modulate their parameters over the wavetable. Each step will be a perfect single cycle waveform, but switching between the steps gives you a different sound.
I know there are other things like this, but this is my take and I hope it is useful to some people. If you give it a shot let me know what you think and what you’d like to see!
Full disclosure-- the app is fully functional and you can have up to 3 wavetables at a time. You can export the wav files, delete them, and create another as much as you want. If you feel like supporting this work, you can unlock the ability to create unlimited wavetables for $5.
, it looks like a useful app, but I don’t use the apple ecosysteem 
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