In an interview with The Telegraph, Apple's CEO Tim Cook said that they don't need an FDA approval for the Watch but may ask for it for some other product.
You will need to bring the iPhone along for couple of runs/walks so that the app can calibrate, but after those few times - you are literally free to go/run.
Nearly two-thirds of Apple's wearable users are exercising more often and for longer periods of time, according to a survey involving 1,500 users.
The new offering uses the same technology as smartphone-based AliveECG, relying on a single-lead sensor built into a replacement watchband.
The application enables seniors in distress to alert and contact their caregivers with a simple tap on the wrist, wherever they are.
WatchOS 2.0 will bring a number of new features, including timelapse backgrounds, third party complications, time travel, transit info and GoPro integration.
The research is looking to develop an effective method for predicting seizures; the apps for the study are now in beta testing, and should be out on Sept. 18.
In the period between April and June, the iPhone maker has sold 3.6 million units of the Apple Watch, representing 20 percent of all wearables shipped.
Although the company's CEO Tim Cook hasn't shared any figures, the research firm looked at the iPhone maker's earnings to get to the estimate.
The health system will release several Apple Watch and iOS apps for patients, as well as an iOS application targeted at physicians.