Small apps,
made to last.
starrysky makes mobile apps that take the small frictions out of everyday life.
Apps
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Otchi
Bury it now. Dig it up later.
Everything you saved on Instagram, YouTube, X, Reddit and Naver, gathered into one drawer with a single share tap. No account. Everything stays on your device.
iPhone · Coming soon to the App Store
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Used Book Search
No wasted trips to the used bookstore.
Scan a barcode to check stock and prices at every Aladin used bookstore branch in Korea, compare with YES24, and see what it would sell back for. Free.
Android · iPhone (coming soon) · Korean
About
starrysky is a one-person app studio in Seoul. Planning, design, development, launch and operations are all handled by one person — building small and refining for the long haul.
- Tools
- Swift/SwiftUI for iOS, Kotlin for Android, Cloudflare for the web and deployment. Claude Code throughout development.
- Principles
- No account needed, and data stays on your device wherever possible. Only what's necessary is collected, and every privacy policy is public.