SirenGPX
Workout overlays on your video
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Overlay real speed, heart rate and altitude from your Apple Watch workout onto your ride videos. Rendered on-device. One-time Pro purchase, no subscriptions.
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
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Alexey Sirenko, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Location
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Alexey Sirenko
- Size
- 79.1 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 14.0 or later.
- iPhone
Requires iOS 14.0 or later. - iPod touch
Requires iOS 14.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- SirenGPX Pro $4.99
- Copyright
- © 2026, Alexey Sirenko