App Studio

Apps that move
you forward

We build focused, beautifully crafted mobile apps that solve real problems — no bloat, no data harvesting.

View Our Apps

Our Apps

Focused tools that do one thing well.

Runner 10K icon

Runner 10K

A 14-week couch-to-10K training plan with voice coaching, GPS tracking, and a live map. From zero to 10 km — one run at a time.

Learn more

Built by a developer,
for everyone

Ralt is a one-person app studio based in the Netherlands. Every app we ship is something we use ourselves — built with care, tested in the real world, and designed to stay out of your way while you focus on what matters.

About Ralt