Best SIM Only deals – Best and cheapest available

We look at all the best SIM only deals available including the cheapest plans. If you are looking for a new SIM only plan, take a look here to see what is available.
Best SIM only plan

The Cheapest SIM only deals and plans available

Here are the cheapest SIM only deals available. They come at a rang of prices and data.

Virgin Mobile£5.00Unlimited3GB
ID Mobile£5.00Unlimited2GB
Sky Mobile£7.00Unlimited3GB
Tesco Mobile£7.50Unlimited2GB
Asda Mobile£9.00Unlimited 25GB
VOXI Mobile£10.00Unlimited30GB
O2 Mobile£10.00Unlimited5GB
Superdrug Mobile£10.00Unlimited5GB
BT Mobile£13.00Unlimited5GB
EE Mobile£14.00Unlimited1GB

The cheapest SIM only plans that are available is the Virgin and ID Mobile plans for £5.00. The most expensive is the EE SIM only for £14.00.

They all have Unlimited calls and text, but vary in the amount of data you get. You will have to see how much data you require to make the right choice for you.

Best sim only deals UK

Cheapest Unlimited SIM Only Deals

Here are the cheapest monthly Unlimited plans for calls, text and data available from providers.

ProviderPriceCalls, Text, DataContract
ID Mobile£16.00Unlimited24 months
SMARTY£20.00Unlimited1 month
Three£20.00Unlimited12 months
Asda Mobile£20.00UnlimitedNo Contract
Virgin Mobile£25.00Unlimited24 months
Tesco Mobile£25.00Unlimited24 months
Vodafone £26.00Unlimited24 months
O2 Mobile £30.00Unlimited24 months
Giffgaff£35.00Unlimited18 Months
VOXI Mobile£35.00UnlimitedNo contract
EE Mobile£35.00Unlimited24 months

For Unlimited data plan, ID Mobile comes in at the cheapest at £16.00. The most expensive of the Unlimited data plans are Giffgaff, VOXI and EE Mobile at E35.00.

Customer Service

We also looked at customer service scores from Trustpilot to see how they performed.

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Here are the customer service scores from Trustpilot.

  • Giffgaff – 4.3 Stars out of 5 Stars (Excellent)
  • SMARTY – 4.2 Stars out of 5 Stars (Great)
  • VOXI Mobile – 3.9 Stars out of 5 Stars (Great)
  • ID Mobile – 3.6 Stars out of 5 Stars (Average)
  • Asda Mobile – 3.1 Stars out of 5 Stars (Average)
  • EE Mobile – 2.4 Stars out of 5 Stars (Poor)
  • BT Mobile – 2 Stars out of 5 Stars (Poor)
  • Tesco Mobile – 1.7 Stars out of 5 Stars (Bad)
  • Three – 1.6 Stars out of 5 Stars (Bad)
  • Sky Mobile – 1.5 Stars out of 5 Stars (Bad)
  • O2 Mobile – 1.4 Stars out of 5 Stars (Bad)
  • Vodafone – 1.3 Stars out of 5 Stars (Bad)
  • Virgin Mobile – 1.2 Stars out of 5 Stars (Bad)

From the score, Giffgaff, has the best customer service with 4.3 Stars out of 5 Stars and Virgin Mobile has the worst with 1.2 Stars out of 5 Stars.

Mobile virtual network operators (MVNO)

Not all the mobile providers have their own mobile network infrastructure. Here is the list of MVNO’s and the network providers they use.

MVNOHost Network
ID MobileThree
Virgin MobileEE
Tesco MobileO2
Asda MobileVodafone
VOXI MobileVodafone
Sky MobileO2
BT MobileEE


We have given the best SIM only deals available for you to consider. We have given the cheapest monthly tariffs. This includes the cheapest Unlimited SIM only deals.

Here are links to the websites for the featured providers.

Additional Information

If you are interested, check out: Best Bank Accounts for Bad Credit.

If you are interested in home insurance, check out our article: Best Home Insurance Companies – UK.

For debt advice, go to: The 

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