Best for most people - Asda Mobile - 25GB for £5.99

Best for heavy users - Three - 120GB for £10

Best unlimited - Lycamobile - £22 (first three months £11)

Best for most people - Asda Mobile - 25GB for £5.99

This is the best deal for most people because:

The average data use in the UK is 9GB per month.

It's a good idea to have an allowance higher than that because running out of data is expensive.

You get unlimited minutes & texts.

You can use your plan in the EU without additional charges (up to 5GB data per month).

If you know you're a very low user, these deals are also worth considering:

5GB for £4.50 or 7GB for £5 with Lycamobile (first month half price with both)

5GB for £4.99 with Asda Mobile

The closest equivalent deals from O2, Three and Vodafone are:

12GB for £6 or 30GB for £7 with Three

6GB for £6.99 or 50GB for £8.99 with O2 (increases by £1.80 every April)

5GB for £19 with Vodafone

EE do not currently offer 12 month contracts.

Best for heavy users - Three - 120GB for £10

Monthly cost until April 2026: £10

This is the best deal for heavy users because:

120GB per month is enough for the vast majority of people.

This deal provides that for a very low price and without any speed restrictions.

This is an exclusive deal that's cheaper than going to Three directly so please use this link.

The closest equivalent deals are:

250GB for £14 also from Three

120GB for £14 with O2 (increases by £1.80 every April)

There are no close equivalent deals from EE or Vodafone.

Best unlimited - Lycamobile - £22 (first three months £11)

Monthly cost first three months: £11

Monthly cost for the following nine months: £22

Average Monthly Cost (total cost divided by the 12 month term): £19.25

This is the best unlimited deal because:

You get both unlimited usage and maximum speed performance.

You also get unlimited minutes & texts.

You can use your plan in the EU without additional charges (up to 30GB data per month).

The closest equivalent deals from other networks are:

£23 with Three

£24 with Asda Mobile (data speeds are capped to 150Mbps)

The closest equivalent deals from O2 and Vodafone are:

£26 with O2 (increases by £1.80 every April)

£38 with Vodafone Unlimited Max

Cheaper Vodafone unlimited plans are available but those have speed restrictions.

EE don't currently offer a 12 month unlimited deal.

We compared 219 deals from our providers before handpicking the deals above.

If you'd like further information about any of these deals please contact our experts here.

You can also view our recommended no contract and 24 month SIM only deals here.