Independent app studio

We build apps that make everyday life a little lighter.

suplum is a Japan-based independent studio that designs, develops, and operates application services, with a focus on privacy-respecting iOS apps.

What we do

We design and build iOS apps end-to-end, focused on solving the small frictions of everyday life.

We keep apps running for the long term — updates, bug fixes, and user support after release.

We handle only the data we need, to the extent we need it, and disclose why we collect it.

iOS

Take one small task off your day.

An app currently in development at suplum, designed to stay simple and handle only the data it needs. (This page is a placeholder.)

We publish on the web the information required for apps distributed on the App Store.

What data we collect and why.

Contact and account deletion guide.

Conditions for using our apps.

Feedback, bug reports, and inquiries are always welcome.