Stellkey
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
Simplifying Family Management and Inspiring Growth
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.

Creating Dual Interfaces for Family-Focused Habit Building
Stellkey’s habit-building app lets parents track progress, while children engage with the avatar “Stell” in an interactive, gamified experience.
At a Glance
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.
What We Do
- Integrated digital strategy and planning
- Creative campaign development and content production
- Performance media, SEO, and growth optimization
- Web, platform, and experience development
Who We Help
- Regional and global brands operating in Singapore and APAC
- Marketing and transformation teams needing full-funnel digital execution
How We Measure Success
- Qualified lead growth
- Conversion and revenue impact
- Campaign efficiency and media performance
- Brand engagement and share-of-voice lift

















