General Features
| Calories/day | Android |
| Cycling | iOS |
| Distance meter | Windows Phone |
| Heart rate | Mac |
| Oxygen | Windows |
| Sleep time | Barometer |
| Step count | Accelerometer |
Review of Apple watch series 3
The Apple watch series 3 was released in 2017.
The Apple watch series 3 can measure the calories you burn every day, the Apple watch series 3 is made for cycling , and it can measure the distance you run or walk, and the Apple watch series 3 can keep track of your hear activity.
In addition, The Apple watch series 3 tracks your sleep quality, it can count the steps, it has an integrated clock, it can be connected via bluetooth, it has an integrated GPS, and the Apple watch series 3 has a battery life of 18 hours.