- Tap the Compare button
- Tap Select and choose a video from your Dartfish Express library
- Each video has its own jog wheel - play each to find the point where you want to start comparing (the 'sync point')
- Tap the Lock button
- The videos now have a common jog wheel and can be played simultaneously
- Tap Done when you have finished comparing the videos
- Optionally, the comparison can be saved. You'll find it as a new video in your Dartfish Express library
This feature is not available in Express for Android devices. A full list of differences between iOS and Android features can be found here.