Mercury Drum Sequencer is a sample based drum machine and step sequencer for iPad.
Five tracks with two sound sources (osc) each.
Osc and track sound tweaking parameters.
Individual track effects. Current available effects are a bit rate reducer and a delay buffer.
Each osc and track parameter can be overridden per step, by holding the desired step and changing the parameter in question.
Supports syncing with other music apps using Ableton Link.
Supports inter-app audio and Audiobus.
AudioShare sample import is supported. (Requires the AudioShare app)
Requires an iPad running iOS 9.3 or later.