Turn your ride videos into pro-looking clips. SirenGPX overlays your
real workout data — speed, heart rate, altitude, distance — right on
the footage, all on your iPhone.
HOW IT WORKS
1. Record a workout with your Apple Watch
2. Shoot a video during the ride
3. Pick the video in SirenGPX — the matching workout is found
automatically by time
4. Choose a speedometer style and metrics, then export
FEATURES
• 8 speedometer styles, from minimal to neon
• Heart rate, altitude, distance, grade, cadence, power
• Scenes: bike computer, elevation profile, speed graph, route map
• Everything is rendered on-device — your video never leaves the phone
• Works with any bike, board, skis or run
SIRENGPX PRO (one-time purchase, no subscription)
• No watermark
• All speedometer styles and premium scenes
Visit App Store →
On mobile tap Share for WeChat / RED (Xiaohongshu) / X; on desktop use Copy text and paste into the app.