Name: Interval Running HR
Rating: 4.2 (38 reviews)
Author: SylvainMasaki

Language available: French, English, German, Italian, Spanish, Dutch, Danish, Sweden, Norwegian, Slovak, Finish and Japanese.
Website: Http://intervalrunning.pagesperso-orange.fr/IntervalRunning.htm
Interval Running App is the only one App allowing to manage your interval running session by vibration way. Without to have a look on the screen, the app launches a specific vibration indicating the speed period and another for the slow period (management by time or distance); the two period are cycled until stop/pause key pressed (number of cycle can be adjusted, set to 0 for infinite cycling). A warm-up and warm-down step can be also adjusted. In real time, it’s reported on the screen: the distance (km and mile), the average or current pace (min:sec by km or mile) and the time elapsed (h:min:sec). When the Heart Rate monitor is connected, the heart rate value is reported on the screen in real time. A HR threshold can be adjusted; a periodical vibration warning (and a signal on screen) is activated as long as the heart rate is higher than the threshold. The session (map, pace, segment…) can be stored with FIT format compatible for Garmin Connect IQ (need to create a Garmin Connect account). For watches without Menu button, the settings menu is accessed by swiping the screen up or down for watches touch screen, or by pressing the up or down button.
For more detail about functionalities, those which need a registration and those which not need, with pictures and version notes, refer Interval Running website: 
https://intervalrunning.pagesperso-orange.fr/IntervalRunning.htm
Interval Running development takes many time, thanks you to support me if you enjoy Interval Running. Some function can be unblocked with a specific code (in parameters menu). The function list requiring code is reported below. To obtain the code (to set in the parameters of Interval Running) which unblock functions, please, make a free donation (EURO only, don’t forget to check PayPal tax in your country) to my PayPal account:
https://www.paypal.me/SylvainPelletier169
Then, send me the prove of donation to my email (with the watch type): pelletier.sylvain@yahoo.fr. I will send you the code. 

Thanks to send me by email any feedback or bugs which could improve this application.

Requirement: THE LAST WATCH FIRMWARE (to check with Garmin Express), UNINSTALL THE PREVIOUS VERSION BEFORE INSTALLING THIS NEW VERSION, AND REBOOT YOUR WATCH AT THE FIRST INSTALL.