The Apple Watch Series 2 was the answer to a question Apple had been asking since its very first wearable: What do people actually want their smartwatch to do The resounding answer was fitness, and in response the Series 2 doubled down on getting you in shape.

LTE brings new freedom; Faster performance; Call quality is very good

Additional monthly cost to have LTE; Third-party apps are lacking; The curious case of the red dot

The Apple Watch Series 3 is the best overall smartwatch you can buy, but battery limitations and add-on fees keep it from being a must-have upgrade. Apple with likely release an upgrade later this year.

Cellular connection works well for phone calls, email, Siri and messages; Music now syncs more easily; Improvements in fitness tracking and added watch faces; Adds barometer to GPS and swimproofing; Same overall size as last year’s watch.

Battery life takes a major hit when making calls or during GPS workouts; 42mm cellular model is expensive, and that’s before monthly wireless service and Apple Music fees; Still requires an iPhone to set up and pair with; A new Watch is expected later this year.

A genuine gadget marvel, but its 4G smarts just need a little longer in the tech oven

Incredibly small for a 4G smartwatch; Still the best fitness tracker around; Voice calls work surprisingly well; Battery life holds up; even when using 4G; Huge array of bands means you can make it your own

Only available on one carrier in the UK; Apple Music streaming not yet available on 4G; Not all apps work on 4G without your phone; You still need an iPhone to use it; Overkill if you mainly want fitness tracking

Working perfectly fine no dramas at all.

The Apple Watch Series 3 is essentially a suped up Series 2 with improved battery life and performance. Apps load faster, Siri is smarter, and the sports/activity tracking features are better.

Improved battery life over Series 2; though still not that great; Large ecosystem of apps and accessories; Much faster than the Series 2; Water resistant with plenty of sport features; Very helpful smart features including notifications; music playback; and Siri

Still requires phone to be helpful (this is not the Cellular version; Expensive; Always looks like a smartwatch; Not terribly durable

The future of smartwatches is being connected, but the Apple Watch Series 3 doesn't deliver on that promise. Get the non-LTE model instead.

Improved fitness-tracking features; Faster Siri with new vocal responses; Lower price than Series 2 and LTE Series 3

Still just 18-hour battery life

Earning the top score of the group, the Apple Watch Series 3 netted the Editors' Choice award and the title of Best Smartwatch for iPhone users

Loaded with smart functions; great display; extremely easy to use

Not a great battery life; pricey; Not a great battery life; pricey

How many worlds has Apple left to conquer? It its lifetime it has triumphed with computer, phone, tablet and watch. So, in 2017, does the world need an Apple computer inside an Apple Watch, with an Apple phone attached? It's got it with the Apple Watch Series 3.

Welcome to our Apple Watch Series 3 review, in which we evaluate Apple's new cellular wearable. We check out the watch's design and new features, put it through rigorous performance and battery tests, and rate it for value for money. If you reach a decision after reading this, you can buy

Apple is good at making you want things you may not need or want in your life. Adding 4G to the Apple Watch might be another instance of this, even if it is technically great