Numerical Audio tells us that Octachron is a flexible 8-Track Midi Drum Sequencer with rich modulation and sequencing capabilities. They say that it Works Standalone or as AUv3 AudioUnit in a DAW on iPad.
Features overview:
Pricing and Availability:
$4.99 at the app store.
More information:
New PCM 80/81 Editing via the Electra One MIDI Controller
Super flexible synth from U-He and it's free
A new Studio Reference Headphone?
If you want a compact sampling workstation