λ/4 Quarter Lambda 日本語

Independent App Studio

Quarter Lambda

Small tools, precisely made.

Inspired by the quarter-wavelength idea from RF and electronics, we design small apps that make a precise difference.

Apps About

λ / 4

Quarter Lambda is an independent app studio planning, building, and operating apps for iPhone and iPad.

Published App

ZenTerm

View app

Published App

ZenTerm

Self-Hosted AI Terminal

A terminal client for controlling your own server and AI coding agents from iPhone and iPad.

No account requiredNo adsNo analyticsNo tracking
View ZenTerm GitHub
ZenTerm terminal screen

Policy and Support

Privacy policy, support contact, and terms are published for app review and user support.

Privacy Support Terms