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.

• 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 »

• 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 »

• 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 »

• 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 »

• 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 »

• 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 »

• 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 »

• 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

  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 »