The DopplerPad App

Today's app is the DopplerPad app:

​DopplerPad (http://www.dopplerpad.com) Create and perform musical hooks, phrases, and loops with a variety of custom synth and sample-based instruments; make samples on the fly and weave them into compositions; expressive touch instrument; use rhythmic and melodic automation to create phrases by moving fingers around the musical touchpad; thirty-seven instruments including leads, bass, sound effects, drums, and samplers; two musical touchpads; visual feedback to see the groove; two recording modes: overdub and replace; mixer for cross-fading, muting, and playback control; save loops and phrases; load them into the performance; gate arpeggiator to create expressive rhythmic patterns; create samples anywhere with external or built-in mics; adjustable tempo and loop length; programmable scale to stay in key; adjustable octave for a full range of notes; supports AudioCopy and General Pasteboard; (iOS 3.1 or later).