Sonic Loops Pro lets you loop samples with multi-track playback capabilities.
You get 8 banks and 64 tracks where you can do realtime playback and control through sliders. This is based on the Roland DJ70 and Casio FZ1, letting you create dance music live through your iOS device.
The melodies, harmonies and basslines were composed by artists at Metaphonic for Tecworks Soft and it offers Royalty free drumbox patterns.
Version 1.85 has improved interface.