AIRSTEP Play

This is quite a good app. You can use it without the pedal attached you can also store loops which is handy as when Google puts out an advert on YouTube video you loose the loop settings so copying to folder helps retrieving it. I found the app works slightly better using the pedal but that might be down to my phone and using android phone with Bluetooth. I am using the the smart multy connection pedal and had to change some settings on the pedal. You can also link with Truefire and other sites