Pairing with the iPhone works really badly, requires you to always forget the previous connection both on the watch and on the phone every time. And after that many more error messages in the application. Not good.
Verified buyer






Spartan Trainer series watches are lighter and more compact than the original Spartan series, making them more comfortable especially for people with narrower wrists. Their features are largely the same, with main differences being the slightly smaller screen, lack of touch-screen and lack of compass in the Trainer series. The Spartan doesn’t get old easy as software updates are available at Suunto.com.
Suunto Spartan watches are not ANT+ compatible.