The Apple Watch (stainless steel version tested here) has the most intuitive design among the smartwatches in this round-up.
On the right side of the watch is the digital crown. Turning and pressing it allows you to activate most of the smartwatch's functions, while the side button next to it is a short cut that brings up your favourite contacts. The watch can be worn such that the crown is on either side of the watch, giving users great flexibility.
Sapphire crystal protects the display and the heart-rate sensors at the back. The stainless steel case, though, will pick up some scuffs through use. To view the time or wake the display, just lift or turn your wrist.
Press the digital crown to go to the home screen; zoom in and out using the crown, or tap the display to move the screen around to pick an app.
Unlike many smartwatches where a notification pops up on the display once it is received, the Apple Watch will vibrate, but its display stays blank until you move your wrist, helping you to conserve battery life.
You can make calls from the watch, but make sure to hold the watch close to your lips when speaking. The watch can read out short messages in full, which is not possible with many smartwatches. You can reply with standard options such as "OK" or "Thanks", or use Apple's voice assistant Siri to help you.
Even with the watchOS 2 that adds additional watch faces, there are still no third-party watch faces. Battery life is average, at up to two days.
PRICE: From $518CASE MATERIAL: Anodised aluminium or stainless steel or 18-karat goldCOMPATIBILITY: iOS 8.2 or higherWEIGHT: From 62g
FEATURES: 4/5DESIGN: 5/5PERFORMANCE: 4/5BATTERY LIFE: 3/5VALUE FOR MONEY: 4/5
Verdict: For iPhone users, the Apple Watch provides the most holistic experience for a smartwatch.
This article was first published on December 23, 2015. Get a copy of The Straits Times or go to straitstimes.com for more stories.