Continuous shooting phone applications
A list of apps (feel free to add more apps below) which take timelapse image sequences, so you can use them on a balloon mapping rig for aerial photography. Most important is whether they capture in the full resolution of the camera, and/or if they compress to make it into a video.
Mohit Meena, one of Public Lab's 2013 Google Summer of Code fellows, is developing a custom Android timelapse app, soon to be posted here.
- Timelapse - $1.99, captures up to 2048x1536
More recently released, look pretty good but untested:
A partial list of iPhone/iPad Apps. Go to iTunes and search time lapse for a bunch more.