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A similar question was asked in the milkytracker thread too! Check out BassoonTracker. https://github.com/steffest/BassoonTracker

Ok what about this: any good tracker for Mobile?

Not a big user of trackers, even more so nowadays. And never on a mobile device. But I liked SunVox when I tried it.

It's free proprietary software from Russia, so take that into consideration.