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.
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
- · Cross‑platform tools and utilities