Call 0800, 0808 and 0870 numbers for free from your mobile

Mobile networks charge a fortune to call "freephone" 0800, 0808 and 0500 numbers. But there are a number of smartphone apps that can cut the cost of calling 08 numbers from your mobile phone.

Despite most mobile tariffs offering a certain amount of inclusive minutes, these are limited to UK landline 01, 02 or 03 numbers and other mobile numbers. Calling so-called non-geographical numbers such as 0800, 0870 and 0844, often used by banks and insurers, will cost you extra.