Stellkey empowers children to build positive habits through an immersive platform. Our dual-interface solution supports routines in behaviour, academics, nutrition, responsibilities and environmental awareness.
Mobile App Development
UX UI Design
Creative & Content
Stellkey simplifies family management for parents while nurturing responsibility and independence in children. Separate parent and child interfaces enable seamless monitoring while ensuring a fun and engaging experience for kids.

Stellkey’s habit-building app lets parents track progress, while children engage with the avatar “Stell” in an interactive, gamified experience.
Mediatropy is a leading, award-winning digital agency in Singapore and APAC.
We combine strategy, creative, media, and technology to deliver measurable business outcomes.
Featured case study: Stellkey.