Blog
Product updates & articles
New releases, feature drops, and write-ups on building fitness apps.
ArticleMay 28, 2026
Rive vs Lottie for fitness app animation
Honest comparison of Rive and Lottie for fitness, training, and rehab apps. Lottie plays animations; Rive runs systems. Where each one wins, and how to choose.
Read moreArticleMay 27, 2026
How to add an interactive muscle heatmap to a Flutter app
Step-by-step: drop a muscle heatmap into a Flutter fitness or rehab app with a free, open-source Rive asset and a ~20-line widget. About 10 minutes.
Read moreAnnouncementMay 15, 2026
Advanced Heatmap v2.0 — click any muscle to identify it
The Advanced Rive muscle heatmap just gained click-to-identify. Tapping a muscle emits its specific name and its broader muscle group, so you can drive exercise filters, anatomy quizzes, and recovery views off the same animation.
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