iPhone: love patterning and all the great free kits.
First off- it’s a drum sampler with unique controls, no auv3, and zipped audio exports (lol) but still- it’s free and a blast to play with. patterning 2 on iPad is better, but it’s also not free. Have an iPhone? Download patterning, draw various circles for each drum part, click on pencil, tweak parameters the same way, by filling each drum part- the more color you paint, the more Aggro the sound, less color you paint, the duller it gets. Now hit randomize!!!!!!!!!