Turn ride data into video
Apple Watch
Pull workouts straight from Apple Watch via Apple Health — no third-party account needed. Heart rate, speed, route, altitude and more, right from your wrist.
GPX import
No Apple Watch? Import a .gpx file from any GPS device or bike computer — speed and route work the same way.
Magic Sync
No manual alignment needed. The app automatically syncs your video with the workout based on timestamps.
On-device rendering
FFmpeg burns the overlay into your video locally. Your footage never leaves your phone.
8 speedometer styles
From minimal to bold, pick a speedometer that fits your edit — fully positioned where you want it.
13 overlay themes
From a minimal bike computer to full-screen looks — Cyber Rider, VHS Tape, Grand Tour, Aurelia, APEX, Meridian and more.
Rich metrics
Visualize Heart Rate, Altitude, Distance, Gradient, Cadence, Power, Temperature and Calories in real-time.
Secure & Private
Read-only access to Apple Health. Your workout data and videos never leave the device — no accounts, no cloud, no uploads.
See it in action
Four steps to a finished clip
Connect a data source
Grant read-only access to Apple Health for automatic Apple Watch workouts, or import a .gpx file manually — no watch required.
Pick a video
Choose a clip from your gallery — the matching workout is found for you.
Customize the overlay
Choose the speedometer, metrics, scenes and position.
Render & save
FFmpeg renders on-device and saves straight to your gallery.
What you can overlay
| Metric | Apple Watch (via Apple Health) | GPX file |
|---|---|---|
| Speed & distance | ✓ GPS workouts | ✓ from track points |
| Heart rate | ✓ from the wrist | if your device recorded it |
| Altitude, gradient, map | ✓ with GPS route | ✓ from track points |
| Cadence & power | with sensors (iOS 17+) | if your device recorded it |
| Calories | ✓ | — |
| Temperature | — | — |
Works with any outdoor GPS workout — cycling, running, hiking, skiing. Indoor workouts without GPS can’t provide speed or a route. No Apple Watch? Import a .gpx file from any GPS device or bike computer instead.
Simple & transparent
Free
- 5 speedometer styles
- Basic metrics (HR, Distance, Altitude, Temperature, Calories)
- 12 of 13 overlay themes, incl. Cyber Rider, VHS Tape, Grand Tour, Aurelia, APEX, Meridian
- Magic Sync & On-device rendering
- Includes a small watermark
- Pro metrics (Power, Gradient, Cadence)
- Pixel Racer theme
Pro
- All 8 speedometer styles
- All metrics (Power, Gradient, Cadence)
- Pixel Racer theme · exclusive
- No watermark on exports
- One-time purchase, yours forever
Frequently asked questions
Which cameras and video formats are supported?
Any video in your phone’s gallery — footage from the phone itself, GoPro, DJI or any action camera, once it’s imported to the gallery. The overlay is matched by the time the video was filmed, so make sure your camera’s clock is set correctly.
How does syncing work? Do I need to align anything manually?
No. The app reads the video’s creation time and finds the Apple Watch workout — or GPX track — that was running at that moment. Speed and metrics are aligned to the second automatically.
Are my videos uploaded anywhere?
Never. Rendering runs entirely on your phone with FFmpeg. No accounts, no cloud, no uploads — see the Privacy Policy.
Why is a metric greyed out?
That workout simply doesn’t contain it: power and cadence need sensors, heart rate needs a watch or strap, the map and altitude need a GPS track, temperature needs a thermo sensor.
Is Pro a subscription?
No. Pro is a one-time purchase — pay once, keep it forever on your platform. Refunds are handled by the App Store / Google Play under their standard policies.
Your data stays yours
No accounts, no servers, no uploads. Apple Health data and your videos never leave the device. Read the full Privacy Policy.