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SIM only deals: compare plans and prices on each UK mobile network

Compare SIM only plans

Our comparison tool checks each network's pay monthly SIM only contracts to compare their benefits and prices for your chosen minutes, texts and data. SIM Sherpa is your trusty guide.

Search Pay Monthly SIM only deals

Tell us the minimum minutes, texts and data you want in your next SIM only deal below, plus any preferences on network and contract length, and we'll find the best-priced plans that match your search.

Choose what you want in your deal:

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SIM only deals by monthly budget

The absolute cheapest SIM only deals available

If you're looking for a basic SIM only plan with the lowest monthly cost, here are the 3 cheapest deal options available in the UK today for you:

Green 1 's £ deal with  mins,  texts and  data (-month contract)

Green 2 's £ deal with  mins,  texts and  data (-month contract)

Green 3 's £ deal with  mins,  texts and  data (-month contract)

The best SIM only plans for £5 a month

While the deals above are the very cheapest, if you've got a fiver to spend, you can actually get a few more minutes, texts and data for your money.

Here's a rundown of the 3 best SIM only deals you can get this if you've got a budget of £5 a month:

Green 1 's £ deal with  mins,  texts and  data (-month contract)

Green 2 's £ deal with  mins,  texts and  data (-month contract)

Green 3 's £ deal with  mins,  texts and  data (-month contract)

What you can get on SIM only for £10 a month

If you're willing to move up to a monthly budget of £10 a month on SIM only, you can actually start to get some quite generous deals.

Here are the best 3 we found at the £10 mark:

Green 1 's £ deal with  mins,  texts and  data (-month contract)

Green 2 's £ deal with  mins,  texts and  data (-month contract)

Green 3 's £ deal with  mins,  texts and  data (-month contract)

SIM only deals by monthly allowance

Best value SIM only deal with unlimited texts

As we've seen in the section above, not every plan automatically comes with unlimited texts.

Plenty of networks put caps of 3000 or 5000 on the number SMS messages you can send. So here's our rundown of the cheapest 3 SIM only deals with no limits on messaging:

Green 1 's £ deal comes with  texts,  mins and  data (-month contract)

Green 2 's £ deal comes with  texts,  mins and  data (-month contract)

Green 3 's £ deal comes with  texts,  mins and  data (-month contract)

Best value SIM only deal to get unlimited minutes for UK calls

The very cheapest deals hardly ever come with unlimited minutes as standard but you can still get a deal with no limits on the number of calls you can make relatively cheaply.

Here are the top 3 deals available today:

Green 1 's £ deal with  mins,  texts and  data (-month contract)

Green 2 's £ deal with  mins,  texts and  data (-month contract)

Green 3 's £ deal with  mins,  texts and  data (-month contract)

High data usage SIM only plans: 8GB to 20GB

People's impression of what makes a high data usage SIM only plan varies, so we've split ours into two categories.

The first 3 deals we've looked for are ones with at least 8GB data to a maximum of 20GB. Here's what's available:

Green 1 's £ deal gets you  data, plus  mins and  texts (-month contract)

Green 2 's £ deal gets you  data, plus  mins and  texts (-month contract)

Green 3 's £ deal gets you  data, plus  mins and  texts (-month contract)

Big data allowance phone SIMs: 20GB+

The next batch of SIMs are ones for seriously high data users. We've looked for the best value deals with over 20GB each month.

Here are the best value currently on the market:

Green 1 's £ deal with  mins,  texts and  data (-month contract)

Green 2 's £ deal with  mins,  texts and  data (-month contract)

Green 3 's £ deal with  mins,  texts and  data (-month contract)

Unlimited data SIM only deals

Or if you'd rather have no limits at all on how much you can use internet and streaming services on your phone, we've found the best value 3 unlimited data SIM only deals too.

Here they are:

Green 1 's £ deal with  mins,  texts and  data (-month contract)

Green 2 's £ deal with  mins,  texts and  data (-month contract)

Green 3 's £ deal with  mins,  texts and  data (-month contract)

SIM only deals by network

EE's SIM only plans: key facts

EE currently have a decent range of 7 plans on SIM only available on 12-month contracts only online (you have to go into a store to get a 30-day contract). Prices vary between £9.99 and £25 a month and you can get a data allowance up to 20GB.

Out of their plans available this , we rate the best value to be their £19.99 deal with unlimited mins, unlimited texts and 12GB data on a 12-month contract but there are also other options if this is too big or small for your needs. We compare EE’s SIMs with all other networks in a special guide under the link below:

Lowest priced plan: £9.99 a month
Largest data allowance: 20GB
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 12-month (1-month available in stores)

Useful links: Compare EE SIMs with us | See SIMs at EE.co.uk

O2's SIM only tariffs: key facts

With a large range of 12 SIM only tariffs, O2 offer both 1-month and 12-month contracts priced between £10.50 and £31.00 a month, depending on the allowances you want and the contract length (30 day plans are more expensive). The most amount of data on O2's SIM only is .

We rate O2’s best value SIM only deal in to be their £16 deal with 5GB data, unlimited minutes and unlimited texts (-month contract) that tops works out best value for money. To see how all their SIMs compare with other network, take a look at our O2 deal comparison page under the link below.

Lowest priced plan: £10.50 a month
Largest data allowance: 25GB
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 1-month, 12-month

Useful links: Compare O2 SIMs with us | See SIMs at O2.co.uk

SIM only deals from Three – key facts

Three offer the largest selection of SIM only plans out of all the networks in the UK. There are a staggering 44 combinations ranging in price from just £5 a month right up to £35 a month, depending on how many minutes, texts and data you’re after (with a maximum of data available).

Their best value deal this gives you 600 mins, unlimited texts and 8GB data for just £12 a month on 12-month contract but there are plenty more plans available on 1-month and 12-month contracts. See how they compare in our Three SIM only deals page under the link below:

Lowest priced plan: £ a month
Largest data allowance:
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 1-month, 12-month

Useful links: Compare Three SIMs with us | See SIMs at Three.co.uk

Vodafone SIM only bundles: key facts

Choose from a large range of 18 Pay Monthly SIM only bundles with Vodafone, which come either on a 1-month contract or 12-month deal. Plan prices start from £9.50 a month on their most basic tariff and go up to a handsome £29, with monthly data allowances up to a huge 20GB.

Vodafone’s current best deal on SIM only comes with 12GB, unlimited mins and unlimited texts for £19.20 a month (-month contract) but there are plenty of other options too. Watch out for plans that come with inclusive roaming and even a free entertainment subscription of your choice.

Lowest priced plan: £9.50 a month
Largest data allowance: 20GB
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 1-month, 12-month

Useful links: Compare Vodafone SIMs with us | See SIMs at Vodafone.co.uk

BT Mobile SIM only plans: key facts

On BT Mobile, you’ll find a simple choice of just 4 SIM only plans on 12-month contracts only. They start from just £5 a month if you have BT Broadband at home or £ a month if you don’t. Their most expensive plan comes in at ££16£21) a month and their biggest available data allowance is 15GB.

This , their best value deal on a SIM has to be BT Mobile’s £12, 6GB plan with unlimited minutes and unlimited texts but the other plans offer something for practically everyone too. With frequent gift voucher offers when you join and perks like free BT Sport App and WiFi, there’s plenty more to BT Mobile SIMs than just low prices.

Lowest priced plan: £5.00 a month
Largest data allowance: 15GB
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 12-month

Useful links: Compare BT Mobile SIMs with us | See SIMs at BT.com

giffgaff SIM only 'goodybags': key facts

giffgaff SIM only deals
SIM only
from
£5.00
a month

No credit check to join giffgaffSee giffgaff SIMs

giffgaff call their monthly SIM only bundles ‘goodybags’ as they come with a monthly allowance of minutes, texts and data that you pay for up front from as a little as £5 a month up to £. There are 8 options in total ranging up to a deal that comes with 6GB data at full speeds and then unlimited data at slower 2G speeds.

We’d say giffgaff’s best current SIM only deal is their £10 goodybag with 2GB data, unlimited texts and 500 minutes (-month bundle). You can get any giffgaff bundle with £5 free credit if you order via SIM Sherpa’s invitation page here. Because all their SIM plans are paid for up front, there’s no credit check to pass.

Lowest priced plan: £5.00 a month
Largest data allowance: 6GB (or unlimited at 2G speeds)
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 1-month

Useful links: Compare giffgaff SIMs with us | See SIMs at giffgaff.com

Pay monthly SIM only on iD Mobile: key facts

iD Mobile SIM only deals
SIM only
from
£4.00
a month

Keep unused data and set up a spending capSee iD Mobile SIMs

Starting from an astonishingly cheap £4 a month, iD Mobile’s SIM only plans are a good choice for anyone looking for a budget no-frills deal. In total, there’s a decent range of 19 different tariffs to choose with a SIM on iD on 1-month contracts, including deals with as much as 10GB monthly data.

Their best deal this is their £5 SIM only plan with 1.5GB, 250 minutes and 5000 texts (1-month contract), which is giving every other UK mobile network a run for its money. Apart from that you’ll never pay more than £ a month for a SIM on iD, making them one of the cheapest providers around.

Lowest priced plan: £4.00 a month
Largest data allowance: 10GB
Most amount of minutes available:

Most amount of texts: 5000
Contract lengths available: 1-month

Useful links: Compare iD Mobile SIMs with us | See SIMs at idmobile.co.uk

Plusnet Mobile SIM only deals: key facts

Giving everyone stiff competition for the UK’s lowest cost SIM only deals, is Plusnet Mobile, whose simple range of 5x short 30-day contracts start from just £5.00 a month. No deal comes in at more than £15 a month and they offer up to 8GB data. Also Plusnet Broadband customers can look forward to mates rates deals too.

For £10 a month you'll get 500 mins, unlimited texts and 5GB data (-month contract), Plusnet Mobile’s best value SIM only deal offers more than enough for most people’s monthly needs and their other tariffs are just as competitive when you compare them with other networks.

Lowest priced plan: £5.00 a month
Largest data allowance: 8GB
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 1-month

Useful links: Compare Plusnet Mobile SIMs with us | See SIMs at plus.net

Sky Mobile's contract SIMs: key facts

Not the easiest SIM only plans to understand, Sky Mobile effectively have 9 different deals depending on whether you have their Sky TV, ranging from £10 to £20 a month but only offering up to a biggest 5GB data a month. If you don’t have Sky TV, you can either pay as you use minutes and texts or an extra £10 a month for unlimited both.

For their best deal, you’ll need to be a Sky TV customer to get unlimited minutes, unlimited texts and 1GB data for £10 a month (12-month plan). All their SIM only contracts are for a 12-month period with no shorter terms currently available.

Lowest priced plan: £10.00 a month
Largest data allowance: 5GB
Most amount of minutes available: Unlimited

Most amount of texts: Unlimited
Contract lengths available: 12-month

Useful links: Compare Sky Mobile SIMs with us | See SIMs at sky.com

Tesco Mobile monthly SIM only tariffs: key facts

If you want to find a SIM only plan with precise number of minutes, texts and data you need, you’ve got a good chance of finding it among Tesco Mobile’s massive selection of 26x tariffs on SIM only. Starting from £6.00 and going all the way up to £35.00, with data allowances as large as 30GB, there’s something for everyone, and at an honest price too.

At the moment, we’ve singled out Tesco’s £13.50 plan with 3000 minutes, 5000 texts and 6GB data ( -month contract) as being their best value but there are lots of other contenders in their bigger-than-average range that features both 12-month and 1-month contracts: all with some handy extra benefits too.

Lowest priced plan: £6.00 a month
Largest data allowance: 30GB
Most amount of minutes available: 5000

Most amount of texts: 5000
Contract lengths available: 1-month, 12-month

Useful links: Compare Tesco Mobile SIMs with us | See SIMs at Tesco.com

The People's Operator SIM only contracts: key facts

TPO Mobile have a concise range of just 6 plans to choose, with tariffs that will suit most people starting from just £3.99 a month up to a maximum £20 a month. This puts their deals, which are all on short 1-month contracts, among the UK’s best value. You can get up to 8GB data with TPO.

For the best value in , we’d recommend their £6.99 -month deal with 600 mins, unlimited texts and 2GB data that offers an impressive set of allowances for such a low price. Otherwise, their other plans offer similar value and all allow you to donate 10% of the monthly cost to your choice of charity.

Lowest priced plan: £3.99 a month
Largest data allowance: 8GB
Most amount of minutes available: 3000

Most amount of texts: Unlimited
Contract lengths available: 1-month

Useful links: Compare TPO Mobile SIMs with us | See SIMs at thepeoplesoperator.com

SIM only contracts on Virgin Mobile: key facts

Virgin Mobile SIM only deals
SIM only
from
£6.00
a month

Keep unused data with Virgin Mobile SIMsSee Virgin SIMs

There may only be 6 tariffs to choose from in Virgin Mobile’s well priced range of SIM only plans but they start from just £6 a month and offer up to a sizeable 20GB data so there’s something for almost everyone. Each comes on a short 1-month contract, which gives you flexibility too.

Virgin’s £13 5GB, 5000 minutes and unlimited texts SIM only deal stands out as being their best value deal in . Like all Virgin’s plans, you’ll also keep unused data each month and you’ll be able to message on WhatsApp and Facebook Messenger without using up data.

Lowest priced plan: £6.00 a month
Largest data allowance: 20GB
Most amount of minutes available: 5000

Most amount of texts: Unlimited
Contract lengths available: 1-month

Useful links: Compare Virgin Mobile SIMs with us | See SIMs at virginmedia.com

Compare all these networks' SIM only deals at once

If you want to get the best deal possible, it's worth comparing all networks' SIM only plans at once.

Use our comparison tool at the top of this page to find the best-priced option for you with all the mins, texts and data you want.

Useful link: Compare all deals now above.

SIM only deals by device

Every network offers the same SIM deals for every device

Phone manufacturers

Every network's SIM will work in any unlocked model

The first thing to note is that every SIM only plan available today is suitable for every single phone make and model. No network gives better pricing or deals for a specific handset - it just wouldn't make any sense.

So whether you're looking for a SIM card to put in an iPhone, Sony, Samsung, BlackBerry or any other make, you don't have to worry about missing out on the best price.

Even SIM card size is no longer a consideration, as every network sends out a 'triple' SIM, which will fit every model of smartphone.

The main consideration is that your phone is unlocked, so that it can be used with any network. If it's not and you're out of contract, your provider will normally unlock it free.

Useful link: Compare deals now

SIM only for iPhone

SIM only for iPhone

Take any SIM only plan for your iPhone

The same applies as above for iPhone SIM only deals: there are no specific plans made just for the iPhone 7, iPhone 6s, iPhone SE, iPhone 6, iPhone 5s or any of the older models either.

Instead, you're free to pick any plan that takes your fancy to put in your Apple device. All of them will work and every network has SIMs in the right size for any iPhone too.

Most providers ship iPhones already unlocked so this shouldn't be a factor. But if yours is locked but you're out of contract, give your network a call and they should unlock it free of charge.

Useful link: Compare deals now

Using a 3G phone with a 4G-ready SIM only plan

3G only phone

3G phones work with deals advertised as 4G-ready

You've probably noticed that practically every SIM only plan available now is sold as 4G ready (Talkmobile are the last 3G-only network). That's because most new devices support faster data.

But what if you've only got a 3G-ready phone, will it still work on a 4G SIM only deal and network?

The answer is yes but you'll still only be able to access the 3G and 2G signal from that network on your phone. This means that you should focus your search on networks with the best 3G signal and ignore their 4G reception.

We've put together the locations of every network's coverage map that you can quickly check under the link below.

Useful link: Compare 3G coverage on all networks

Using phones that don't have mobile internet on SIM only

Phones with no mobile internet

Even phones with no internet can be used

Every monthly SIM only plan at the moment comes with an allowance of mobile data from anywhere between 100MB right up to unlimited data but what happens if your phone doesn't access the internet?

The answer is, you can still pick any of the deals at the top of this page to get the monthly minutes and texts and it could still work out cheaper than Pay As You Go if you regularly makes calls and send texts.

Your phone doesn't have to have mobile internet to use these SIMs.

Work out what you're currently spending a month and then see if you can beat it on a Pay Monthly deal (even if it does feel like you're paying for data you'll never use).

Useful link: See Pay Monthly deals

SIM Sherpa can help you find your next SIM only deal

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