Download free and almost free max for live devices from my collection.
Max for live is a Ableton Live toolkit to create custom instruments, effects, and other tools to do exactly what you need. You can see what max for live is here.
It’s a simple stutter that is activated by a knob in your MIDI controller.
High values get more repetitions (and smaller grains)
There is also a second knob that change the pitch of the stuttering.