5 stars: So far so good. I ask Jesus each day to keep it going. I have heart and lung trouble and need this app. I do find if reating the oxygen reads lower than my oxymeter, so I adjust for that. Now 2 months, all is well. I am saving end of month stats screen shots in polaris office for future. Wish app had unlimited storage for End of month stats. If you can find a fitness app that offers more FITNESS and HEALTH details, revords, etc. Let me know. I have found non that do, most are for "phone" watches, not health and fitness.
3 stars: It's been fine for the last 6 weeks, but now my F1 watch won't connect properly. The data's recording on my watch, but it's not uploading to my phone. Tried the Wearfit 2.0 app and it's just not connecting with that either. Trying a full uninstall/reinstall to see if that will fix things. Edit: Just tried deleting the watch's data and bingo! It connects again! So you have to erase the phone data every month in order to maintain connection.
5 stars: Works exactly how it is supposed to. Im just a gadget freak and didnt get it for fitness monitoring. But the monitoring level is good and accurate. For serious heart rate monitoring when running, cardio. Etc i personally use a chest strap monitor and dedicated wrist mounted receiver tho. But thats just personal preference
3 stars: Hi folks, try the app FitCloud since these guys seem to not be interested in fixing their app, or responding to anyone. I have two of these bands and...