Downloaded the Loopy app for my iPhone yesterday, and I have to say it's a lot of fun.

This is a brilliant and easy way to experiment with multi-track looping, and is particularly useful if you're trying to decide between say a single track pedal, multi-track boards like the Rang 3 or some software alternative. Or even if you don't think you'll ever use looping in a live context (like me).

If you have an iPhone or iPad with a compatible accessory e.g. Apogee Jam, you're ready to go.

Apart from easy and fun, the app is so functional that it's a viable alternative to almost anything out there if you add a MIDI capable interface (Tascam, Alesis etc) and a MIDI pedal controller - to make it hands-free. You can have as many as 8 individual tracks going at once, in or out of sync, all with multiple overdubs and various ways to affect each individual part.

Highly recommended.

Cheers,
Andy