Please visit our FAQ page for any other questions. It contains 95% of answers to support questions here. We've looked through thousands of support emails and these are easily the most common ones all answered.
Contact Us via the iPhone App
We highly recommend sending any support from the link within the HeartWatch app, as it will send us a little bit of extra information to try and diagnose the issue, such as your current iOS version, WatchOS and so on. It is found in Settings (the little cog in the top right corner) and then tapping the Support link. See below: