MP3 players: How to choose the best iPod Apple iPhone

Apple iPhone 4

The hugely popular Apple iPhone 4

iPhone 4 - 16GB or 32GB

If you don't want to carry a separate MP3 player and mobile phone, the iPhone offers an all-in-one solution.

The iPhone 4 is essentially an iPod Touch with the addition of phone functions, a camera and 3G connectivity. The iPhone 4 is available in 16GB and 32GB capacities, and has all the features of other models in Apple's iPod range.

Prices vary but pay-as-you-go models cost around £500. Contract customers can expect to pay around £35 a month.

Alternative smartphones

It's also worth considering other touchscreen smartphones with built-in MP3 players, so check out these iPhone 4 competitors:

Which? works for you