Simple by design
Every app does one thing, and does it well. No clutter, no bloat.
38 apps on the App Store →
Values
Focused products, finished with care.
Your data is yours
No ads, no data brokers, no cross-app tracking. Many of our apps work fully offline.
Fewer, better
We'd rather make a few apps we're proud of than many we forget.
AI-built, human-finished
We use AI to move fast, and human craft to get it right.
Selected work
Small apps for specific jobs.
Pocketmast: Off-Grid Mesh Chat
Off-grid local messaging between iPhones and Apple Watch.
View on App Store →
About
An independent studio in Shanghai.
Runesmith Studio is an independent app studio in Shanghai. We believe technology should make life simpler, not busier — so we build a small, carefully made collection of iOS apps, each designed to do one useful thing, work offline, and respect the person using it.
About →Tools & Products
Open-source tools today. SaaS on the way.
Small tools we built for our own AI pipeline, open-sourced on GitHub — with our own SaaS products coming next.
deep-reach
Turn a month of community chatter into a cited, gap-honest research brief.
View on GitHub →Our SaaS
Coming soon.
Your data is yours. No ads, no tracking that follows you, no selling.
Privacy →