Abrupt Software logo ABRUPT SOFTWARE

Small studio.
Sharp apps.

We build mobile apps that make an immediate impact, from our own releases like Tempo's Alphabet to custom projects for clients.

Featured release

Tempo's Alphabet

A free cryptogram word puzzle

Decode hidden words one letter at a time, crack the code, and collect cards while uncovering the story behind Tempo's Alphabet. Play in the browser or grab the Android app.