SwimWatchPlus can save Swimming Workout to Health app by using Apple Watch.
Weight data is required for calculating calorie burned.
(SwimWatchPlus automatically load your weight data from Health App.)
*SwimWatchPlus is using HealthKit to save workouts.
Please look Privacy Policy Site.
http://airwireproducts.web.fc2.com/policy/SwimWatchPlus_policy.html