5 stars: Awesome app, works perfect very accurate. Yes it only allows 5 trys a day but if you go to settings and then go to reset history it will clear your previous 5 trys and give you 5 new ones. Welcome.😜
3 stars: 3 measurements in 24 hrs is a joke. The ads are annoying. The developer could charge for download. Instead of monthly charges + more charges if you want to download your own data. Real pain in the wallet.
5 stars: I had given this app a single star and had also made adverse comments. I started using it after 9 to 10 months now. I'm now getting results consistent with finger tip pulse oximeter of reputed brands. Therefore I'm happy to reverse my opinion. My earlier comments: \
5 stars: Compared reading with and actual pulse oximeter accurate result (only when taking in the dark) other sources of light shows inaccurate results.
5 stars: A Lifesaver, was having trouble at high altitude, was feeling faint. Downloaded the app. It confirmed my suspicion, SP02 was down to 84. Thanks, i will be purchasing the platinum version.
5 stars: Easiest heart rate and pulse oximeter I've found, i really like how fast it is to open and start, the ads come later and are not intrusive.
5 stars: I bought the premium edition months ago and now it's saying to purchase the app becuz I had to check my spo2 levels a few times as the app is really picky. When I checked it still says owned. what's up. ipdate; it works now :)
4 stars: Not sure how accurate the O2 ...