Independent iOS studio

Small, sharp apps for iPhone.

Bitvellum builds focused little apps — each one fast, considered, and a pleasure to use. No clutter, no noise. Just the good part.

Our apps

Three out now, with more on the way.

GPS speedometer

Real-time speed, heading, and trip stats straight from GPS. Switch between a sweeping analog dial and a crisp digital readout.

Coming to the App Store

Arcade classic

The worm game, reimagined for iPhone. One-thumb controls, Game Center leaderboards, and just-one-more-run pacing.

Coming to the App Store

Reaction trainer

Tap the target, dodge the decoys, beat the clock. A fast, addictive test of focus and reflexes that tracks your reaction time.

Coming to the App Store