Try Burst Mode

Action shots are always tough, and it’s hard to get a good shot in just one snap when you or your subject is moving. ‍Burst mode allows you to take ten frames in just one second.

  Here is how to use Burst mode:

1. For iPhone 11 and 11 Pro, press the shutter, swipe left and hold to take multiple shots in quick succession. 
2. If you are usingiPhone XS or older, press the shutter down and hold to activate Burst mode. 
3. Tap the thumbnail at the bottom . That will have your entire stack of photos taken in Burst mode. iOS automatically picks the best one, but you can decide which ones you want to keep.