Useful apps for real life
We build practical, polished tools that solve real problems — from keeping your horse safe in the heat to mastering model rocketry.
See our appsOur Apps
Each app is crafted with care. Tap any card to learn more, or jump straight to support and legal docs.
Hot Horse
Equine heat & blanket intelligence
Know when it's safe to ride and how hard to push. Hot Horse gives you the Equine Heat Index and WBGT for your location, with hourly and daily planning views.
Rocket Recovery
Model rocketry recovery tools
Essential tools for model rocket recovery. Calculate drift, plan recovery zones, and bring your rockets home safely every time.
Blend Modes
Visual blend mode reference
A beautiful, interactive reference for designers and artists. See every blend mode in action with live previews and real-world examples.
About Alelin Apps
We are a small, independent studio making useful apps that are fun and interesting. Each app is built with care and a focus on doing one thing really well.