The Best SIM Only Deals for May 2021
Top SIM Only deals for May 2021
Everyone wants a good deal when choosing a new SIM contract but with so much choice it can be confusing. It is important to choose the right plan for you - especially if you're about to commit to a 12 month deal.
We know cost is one of the biggest factors in choosing a new deal so we have compared offers across various price points. Simply decide how much you want to spend and compare deals from the top UK networks.
It is worth noting that around 50% of UK mobile consumers use up to 5GB data a month. and call and text usage is actually falling. For around £10 you can easily cover these requirements. Consider your own mobile phone use before you buy; it's not worth paying extra for allowances you won't use.
SIM deals under £10
Without the repayments for a phone included in the monthly bill, SIM only deals can be incredibly low cost – starting from as little as £5 per month. Though you won’t find many £5 deals from all the big mobile networks Three are pretty active, and there is plenty on offer from the smaller Mobile Virtual Network Operators like giffgaff and Tesco Mobile, who both use O2’s network, or Virgin Mobile on EE.
SIM deals from £10
You can get some surprisingly good value deals for around £10 from some of the bigger networks.
SIM deals from £20
Why choose SIM Only
SIM only plans are available from most of the major UK networks and MVNOs. A well chosen SIMO plan can bring substantial discounts on your annual smartphone costs. You can even add get low-cost extra lines for family members.
A SIM-only plan is essentially a contract just for sms messages, minutes and data. Because the plan doesn’t include a phone it is much, much cheaper. There are a wide range of SIM Only tariffs available, with the best prices usually only found online. You can find and compare the best plans here at WhatSIM.co.uk.
Standard Mobile Phone contracts include a smartphone. This free phone is usually described as “free”, but of course you pay for it in the long run. The better or more expensive the phone, the higher the monthly contract fee.
SIM-only plans are ideal if you already own a handset or have your eye on a specific phone that networks don’t usually offer.
Another major bonus is that you can choose a shorter contract period, starting at just 30 days or 1 month. You can still select 12 or 24 month deals to enjoy greater savings.
Why show 12 month deals first?
We show 12 month deals by default because they generally present the best value for money. We do revisit this every now and again to make sure it is still true.
WhatSIM fairness promise
The prices on this page are sorted by Featured Deals and Price.
Featured deals are determined based on the price divided by the amount of data included in the tariff.