Small but useful tools.

Four iOS apps, each doing one thing deeply and keeping your data on your device.

A one-person studio in Seoul.

Products

Track bill due dates from your home screen. Recurring charges register once as a rule.

Record conversations, separate speakers automatically, tap any sentence to hear the original moment.

Detect faces automatically, blur or cover them, export without uploading anything.

Leftover travel cash, valued in your home currency. Daily exchange rates, right on the Home Screen.

Questions, feedback, or ideas are all welcome.