Compare the best SIM Only deals

Compare Deals

Recommended Deal

Lycamobile
1GB Data
Unlimited Minutes
Unlimited Texts
£0.45 per month View Deal
0 month contract

Recommended Deal

Lycamobile
3GB Data
1000 Minutes
1000 Texts
£0.99 per month View Deal
0 month contract

Shop by network



Sim Guides



Pay As You Go SIM plans: everything you need to know
20th February 2024 Pay As You Go SIM plans: everything you need to know
What type and size SIM card do you need?
9th February 2024 What type and size SIM card do you need?
Best networks for SIM Only tethering
8th February 2024 Best networks for SIM Only tethering
Best free SIM card deals
19th December 2023 Best free SIM card deals

Frequently Asked Questions

What is SIMOnly.co.uk?

SIMOnly.co.uk is the UK's leading website dedicated to SIM only deals. 

Our mission is help you find the right SIM deal at the cheapest possible price. We've produced an industry-leading price comparison engine and written a host of insightful guides.

What mobile networks do we work with?

We compare SIM only deals and tariffs from the UK’s leading mobile networks and MVNOs. These include EE, Three, O2, Vodafone, ID Mobile, BT Mobile, Virgin Mobile, Smarty Mobile, Sky Mobile, Lebara Mobile, VOXI, and Tesco Mobile.

By comparing you can ensure you find the best SIM Only deal for you at the right price. There are a host of plans available including low-cost plans all the way up to those with unlimited data.

So start using our easy and fast price comparison website to find the best SIM Only deal for you.

Why are our deals often cheaper than going to the retailers directly?

There are always those looking for a bargain who visit price comparison engines to get the very best deal.

To attract price sensitive customers the networks give us exclusive deals to stand out from the crowd.

How we do make money?

We take a small commision when you order using the links on our website, but that doesn't impact on the price you'll pay. Infact, prices are usually cheaper than if you went to the retailer directly.

Why are SIM only deals so popular?

SIM Only plans provide you with a SIM card along with a monthly allowance of minutes, texts and data, but don’t come with a phone. They are a great option when you don’t need a new mobile, allowing you to save money as there is no upfront cost and the monthly outlay will be lower. SIM Only contracts are also usually shorter term than Pay Monthly phone plans, so you’re not tied in for as long.



Sign up for our newsletter