APPLE WATCH: App crashing during workout

By Julie J. -

We have had some users report that on the Apple Watch has been crashing during their workouts. We are not sure why this is happening and have only had a crash happen in one instance in our testing while trying to investigate and have not been able to recreate it.

The best advice we can offer at this time is to uninstall from your phone (which will also uninstall it from your watch) and re-install it. Also, please make sure that your iOS, watchOS, and software is all up to date with the most current version available.  It may also help to refrain from running any other apps concurrently on your Apple Watch, especially other activity tracking apps, while using to record a workout.

We are currently trying to identify what might be triggering crashes. If you are experiencing frequent crashes, please send us a message at with the following details to help us with our investigation

iOS version:
watchOS version: version:
Apple Watch 1 or 2:
iOS device:
Course length of pool:
Are you running any other activity tracking apps on the Apple Watch while also running
Was your phone connected to your watch during your swim or was it our of Bluetooth range?
Are you resting at the wall for any long duration (i.e. several minutes)?
Are you getting out of the pool and walking anywhere during the workout?
Did you receive any text, caller ID, or other notifications during the workout?
At what point in the workout did you notice the app had crashed (duration and distance)?
Are you completing kick board drills while not in drill mode?
Are you stopping frequently mid-length to adjust goggles or let another swimmer pass you?
Are you changing your stroke type at any point mid-length?
Is the crash happening while doing one of the four standard strokes or when you are doing any stroke, start, or turn drills?
What percentage of your workouts are experiencing crashes?

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