If an app won’t respond or seems frozen, you can close it, then open it again.
How to close an app
You should close an app only if it’s unresponsive.
iPhone X and later
- From the Home Screen, swipe up from the bottom of the screen and pause in the middle of the screen.
- Swipe right or left to find the app that you want to close.
- Swipe up on the app's preview to close the app.