Google's Android mobile operating system looks unbeatable, due to its low-cost services and frequently updated software that remains attractive to hardware makers, operators and users worldwide.

Apple iPhone 6 is 4.7-inch display device running on latest iOS 8. It is packed with A8X chip with 64-bit architecture and 1 GB RAM. The device is equipped with dual cameras. Apple iPhone 6 is available from $199, supports only Nano-SIM. Apple iPhone 6

Retina display; Good battery support; Excellent processing power; Good camera performance

No external card slot; Still expensive

Once the undisputed leader of the smartphone pack Apple has lost a lot of ground to its competitors who have copied innovated their way to much better hardware and software over the last few years.

The Apple iPhone 6 remains one of the worlds most wanted smartphones even here in Malaysia. The 6.9mm thin smartphone is also one of the first Apple smartphones to have a display larger than 4-inches with features and tech specs on par with any other flagship smartphone.

For years, Apple held onto the smaller 4-inch screen size despite the growing popularity of 5-inch+ Android phones. The release of the iPhone 6 is Apple's white flag in the small screen department.

Improved processor performance; Good battery life; Excellent contrast and color reproduction; Fast auto-focus technology

Screen isn't full HD; Large bezels around screen

Reviewing an iPhone is a curious endeavor. One might think it's just like reviewing any other device, and the processes are indeed roughly the same. The difference, and it is a vast difference, is the purpose.

After years of mocking rivals for producing ever-bigger screens, Apple finally caved in this year, introducing not one such model, but two: the iPhone 6 with a 4.7in screen, and the iPhone 6 Plus with a 5.5in screen.

The build quality and design certainly reflect the Apple ethos and we see curved edges where there is a seamless transition of glass to metal anodized aluminium and stainless steel.

If you are an iPhone user, and you specifically want an iPhone to be your next smartphone, the iPhone 6 is great, but of course the iPhone 6s is even better. It's going to come down to budget ultimately, as the iPhone 6 is a brilliant iPhone that'll save you a few pennies if you're set on getting an...

Something many users have requested is for the operating system to be more customisable and extensible, which is what iOS 8 delivers to some degree. The benefits will take time to emerge, but already a choice of third-party keyboards can be installed, including the popular Swype .