Mobile app studio · Seongnam, Republic of Korea
Sunday Night Inventor
We design and build paid and freemium mobile apps for iOS and Android — born from late-night curiosity, shipped with care.
Products
🚌
Web service
shuttle around
분당 학원 셔틀 맵
A live map of academy shuttle-bus stops, routes, and times in Bundang, Korea — so parents can see which shuttles stop near home.
shuttle.sundaynightinventor.app →
🕐
Mobile app
Toki Timetable
トキトキ時間割
A mobile timetable app for iOS and Android.
About
Sunday Night Inventor is an independent mobile app studio operated as a registered business in the Republic of Korea. We focus on application software publishing — building polished consumer apps with paid and in‑app purchase models.
What we build
- · Native iOS and Android applications
- · Paid (premium) apps
- · Freemium apps with in‑app purchases
- · Consumer web services
- · Cross‑platform tools and utilities