Apps like Acid 2

Here are some great alternatives to Acid 2 by Paul Klemstine :
Expressive Piano Synthesizer
Expressive Piano Synthesizer
★4.5
Simple Drums Rock - Drum Set
Simple Drums Rock - Drum Set
★4.2
Dragon Drum Machine
Dragon Drum Machine
★4.5
Real Octapad with Real Pads
Real Octapad with Real Pads
★4.0
Groovebox - Music & Beat Maker
Groovebox - Music & Beat Maker
★4.2
G-Stomper Producer
G-Stomper Producer
★4.7
DRC - Polyphonic Synthesizer
DRC - Polyphonic Synthesizer
★4.3
Dragon (lite) Drum Machine
Dragon (lite) Drum Machine
★3.9
drumbox
drumbox
★4.6
G-Stomper Producer Demo
G-Stomper Producer Demo
★4.8
Drum Machine - Pad & Sequencer
Drum Machine - Pad & Sequencer
★3.9
G-Stomper Studio Demo
G-Stomper Studio Demo
★4.4
G-Stomper Studio
G-Stomper Studio
★4.8
G-Stomper TR-Classics Pack
G-Stomper TR-Classics Pack
★4.5
World Piano - Sounds & Beats
World Piano - Sounds & Beats
★4.7
Walk Band - Multitracks Music
Walk Band - Multitracks Music
★3.9