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KuaFu

KuaFu

Overlay FIT workout data onto action video

Download on the App Store
Scan to download
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About KuaFu

KuaFu overlays workout telemetry from FIT files onto your action video so speed, time, distance, altitude, and GPS route stay in sync with every moment on screen. Pick a clip from Photos, import a FIT file from your bike computer or sports watch, align the timelines, choose a layout, and export a share-ready video — all processed locally on your device.

Features

📁 FIT-first import workflow
⏱️ Auto-align with manual offset fine-tuning
📊 Speed, time, distance, altitude & riding-time overlays
🗺️ GPS route overlay on video
🎬 Export at original or 720p / 1080p presets
🔒 100% on-device processing