Automated Ball-Strike tracking using your camera and AI motion detection. All processing happens on-device — nothing is uploaded.
Position phone to the side of home plate
Camera or zoom changed. Drag the green strike zone to realign it with home plate before tracking.
Changing cameras requires you to realign the strike zone. Rear telephoto gives the best accuracy.
Tip: Drag the green box on screen to reposition
1. Tap 📷 to pick your camera (telephoto = best)
2. Use ZOOM slider to frame the plate area tightly
3. Mount phone ~4 ft to the side, at knee height
4. Drag the green zone box to align with home plate
5. Tap ✓ ZONE ALIGNED then START TRACKING
6. Manual S / B buttons override if tracking misses