1. Tap the Compare button


  2. Tap Select and choose a video from your Dartfish Express library


  3. Each video has its own jog wheel - play each to find the point where you want to start comparing (the 'sync point')


  4. Tap the Lock button


  5. The videos now have a common jog wheel and can be played simultaneously

  6. Tap Done when you have finished comparing the videos


  7. 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.