I use the “WorkOutDoors” app with the Apple Watch. I also use the Scosche Rhythm 24. “WorkOutDoors” is the best app there is for all things running. I do a lot of low heart rate training for my ultra marathon races, and it alerts me audible as well as visually and haptically, when my heart rate gets above a number I set. It can do that for any heart rate zone amongst other things.
The developer is active on the forum as well.
Version 2.0 of WorkOutDoors is now available, with even better maps and many more workout features. It has been updated to make the most of watchOS 4 and to be compatible with Watch Series 3 and iPhone X. The map rendering engine has been built especially for the app. It uses vectors to give...
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