How to Add Apple Watch Heart Rate Overlay to Workout Videos

The Apple Watch is one of the most accurate consumer heart rate monitors available. But most people using it for workouts only see the number on their wrist — they never capture it on video. With the right app, your Apple Watch becomes a live data source that feeds directly into your workout footage.

How FitCam and Apple Watch work together

When you start a workout on your Apple Watch, it tracks your heart rate and other fitness data continuously throughout the session. FitCam can read this in real time — no cables, no manual sync, no extra steps.

Every second your Apple Watch records a new heart rate reading, FitCam picks it up and shows it on the camera preview instantly. No delay, no manual entry — the number on screen matches what's on your wrist.

Step-by-step: Apple Watch heart rate on your workout video

1. Download FitCam from the App Store and allow access to your health data when prompted.
2. Wear your Apple Watch and open the Workout app. Select your workout type (Running, Cycling, HIIT, etc.) and start the session.
3. On your iPhone, open FitCam. It will detect the active workout session automatically.
4. Choose your overlay — pick one that includes heart rate and heart rate zone.
5. Press record. The live BPM from your Apple Watch appears on screen in real time.
6. When done, stop recording. The video is saved with the heart rate data permanently overlaid.

What metrics can the Apple Watch feed into FitCam?

• Current heart rate (BPM)
• Heart rate zone (1–5, based on age-calculated or custom max HR)
• Active energy burned (calories)
• Distance (for running and cycling)
• Pace (running) or speed (cycling)
• Elapsed workout time

Why this is better than adding heart rate in post

Adding heart rate data after recording requires syncing timestamps, importing data from Apple Health exports, and using a video editor. This process can take 30–60 minutes per video. With FitCam, the data is live and embedded as you shoot. Your editing time drops to zero.