Company Conceited Software created these great apps:
Interval Trainer, TapQuotes, Linkinus for iPad - IRC Client, Media Queue, Linkinus for iPhone - IRC Client, Places!, Tagline Takedown, TapPresidents, TapFlags, US History - A Tap N'Learn Game, US State Mottos - A Tap N' Learn Game, Atomic Numbers - A Tap N' Learn Game, Animal Sounds - A Tap N' Learn Game, TapPhobias - A Tap N' Learn Game, Color Swatches - A Tap N' Learn Game, Linkinus, Tracks, HealthNut, Clips, Todoozle, Rubbernet, Bellhop, HealthNut for iPhone, Pulp Piano: Moonlight Sonata, Pulp Piano: Happy Birthday, and others..