Orthotimer Reader
To verify if your phone can recognize the orthotimer, simply install the app and follow the instructions. If your phone is compatible, the latest temperature values from the orthotimer will be read and displayed. Then you can also use the BeMobil app:
https://apps.apple.com/de/app/watchyourheart/id1482742668
Information about the orthotimer can be found on the website https://orthotimer.com