Dave Smith Instruments Evolver Keyboard Editor and Librarian

Patch Base has the best Dave Smith Instruments Evolver Keyboard editor and librarian available for Mac and iPad. Edit any parameter, organize patches, create random patches, and more.

Voice Editor

Edit every voice parameter on your DSI Evolver Keyboard in real-time. Adjust and fine-tune all of the oscillators, filters, envelopes, LFOs, FM and Ring Mod, effects, and modulation capabilities in the best Evolver sound editor available:

Bank Editor

Edit and organize all of the Evolver's 500+ stored sounds. Patch Base gives you direct access to all 4 banks, so you can organize them and back them up to files on your device.

Wave Editor

Did you know that the Evolver Keyboard can store 32 user-created waveshapes for use in its digital oscillators? Patch Base gives you tools to create and edit these waves. Draw them by hand, create straight lines, randomize all or part of the wave, smooth it out, and shift or scale it. Great for creating new unique tones.

Patch Librarian


Download Patch Base for iPad free in the App Store.

View in App Store

Patch Base runs on macOS 10.13 and higher. Download it here.