SIM only networks

Happy with the phone you've got? You can make major savings by switching to a SIM only plan. We compare SIM deals from O2, EE, Three, Vodafone, giffgaff and more.

• Sky Mobile SIM only deals

  As well as one of the best TV selections on the market, Sky also offers competitive SIM-only deals. Read our guide to find out more about Sky Mobile and… More »

• giffgaff SIM only deals

  Giffgaff offers some of the cheapest and most flexible SIM only deals on the market. And with coverage provided by O2’s network and speeds that compare well to rivals,… More »

• Three SIM only deals

  With generous data allowances at affordable prices, Three SIM only deals are an attractive option for Netflix bingers, Spotify streamers and avid gamers. While there are cheaper SIM-only deals… More »

• O2 SIM only deals

  If you’re looking for a SIM-only deal, O2 is a great option. It offers lots of SIM plans to choose from, at a reasonable price, and plenty of benefits.… More »

• Tesco Mobile SIM only deals

  Tesco Mobile’s big ‘sell’ is free Clubcard points every time you pay your bill. Add to that good speeds and coverage (courtesy of the O2 network infrastructure), keen prices… More »

• Compare iD Mobile SIM-only deals May

  Want to keep your current handset and only pay for the minutes, texts and data you’ll actually use? With iD Mobile, you can do just that for as little… More »

• VOXI SIM only deals

  Choose VOXI for flexible plans that won't require a credit check. You'll also get unlimited social media and video streaming without eating into your data allowance, good coverage… More »

• BT Mobile SIM only deals

  Got BT broadband? Add a BT Mobile SIM to pay your package and there are real savings to be had. Better still, BT's prices, speeds and coverage are among… More »

• Compare EE SIM only deals

  A SIM-only deal from EE means you get to keep your existing phone and only pay for the texts, minutes and data you need More »

• Lebara SIM only deals

  With its generous international minutes allowance, Lebara is a great option if you want to make calls abroad. Read our guide to find out more about Lebara and how… More »

• Vodafone SIM only deals

  Vodafone isn't the cheapest SIM only network around. But you'll get attractive perks, as well as good coverage and speeds. Here's everything you need to know. More »

• Asda Mobile SIM only deals

  If you’re looking for a SIM-only deal, it’s well worth considering Asda Mobile. All plans operate on a SIM-only monthly basis, and they give you a good amount of… More »

• Smarty SIM only deals

  Smarty is a network focused on value. It doesn’t sell phones. Nor does it tie customers into long contracts. There are three 30-day plans to choose from, all with… More »