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Rolling 30-Day SIM-Only Deals

Compare 47 rolling 30-day SIM-only plans from spusu, 1pMobile, Lebara, GiffGaff and Smarty from £3.90/mo. Refreshed daily for May 2026.

47 plans matching Rolling 30-day

Network Plan Data Mins / Texts Term 5G EU Roam Monthly
spusu Spusu 3 3GB 500 mins / 500 texts 1 month rolling 5G Yes £3.90 /mo Get plan
spusu Spusu 5 5GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £4.50 /mo Get plan
1pMobile 5GB 5GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £5.00 /mo Get plan
Lebara 5GB 5GB 1000 mins / 1000 texts 1 month rolling 5G - £5.00 /mo Get plan
spusu Spusu 10 10GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £5.90 /mo Get plan
GiffGaff golden goodybag 2GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £6.00 /mo Get plan
GiffGaff goodybag 1GB 1GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £6.00 /mo Get plan
Smarty 15GB 15GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £6.00 /mo Get plan
Smarty 5GB 5GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £6.00 /mo Get plan
spusu Spusu 20 20GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £6.90 /mo Get plan
Lebara 15GB 15GB Unlimited mins / Unlimited texts 1 month rolling 5G - £7.00 /mo Get plan
Smarty 35GB 35GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £7.00 /mo Get plan
spusu Spusu 30 30GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £7.90 /mo Get plan
GiffGaff golden goodybag 5GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £8.00 /mo Get plan
GiffGaff goodybag 4GB 4GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £8.00 /mo Get plan
1pMobile 10GB 10GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £8.00 /mo Get plan
Lebara 30GB 30GB Unlimited mins / Unlimited texts 1 month rolling 5G - £8.00 /mo Get plan
Smarty 65GB 65GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £8.00 /mo Get plan
Lebara 50GB 50GB Unlimited mins / Unlimited texts 1 month rolling 5G - £9.00 /mo Get plan
Smarty 95GB 95GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £9.00 /mo Get plan
GiffGaff goodybag 15GB 15GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £10.00 /mo Get plan
GiffGaff golden goodybag 40GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £10.00 /mo Get plan
1pMobile 50GB 50GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £10.00 /mo Get plan
Lebara 30GB 30GB Unlimited mins / Unlimited texts 1 month rolling 5G - £10.00 /mo Get plan
Smarty 100GB 100GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £10.00 /mo Get plan
spusu Spusu 40 40GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £11.90 /mo Get plan
GiffGaff goodybag 25GB 25GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £12.00 /mo Get plan
GiffGaff golden goodybag 75GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £12.00 /mo Get plan
Smarty 170GB 170GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £12.00 /mo Get plan
1pMobile 75GB 75GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £12.50 /mo Get plan
spusu Spusu 50 50GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £12.90 /mo Get plan
spusu Spusu 60 60GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £12.90 /mo Get plan
GiffGaff goodybag 30GB 30GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £15.00 /mo Get plan
GiffGaff golden goodybag 150GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £15.00 /mo Get plan
1pMobile 100GB 100GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £15.00 /mo Get plan
Lebara 50GB 50GB Unlimited mins / Unlimited texts 1 month rolling 5G - £15.00 /mo Get plan
1pMobile 150GB 150GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £17.50 /mo Get plan
Smarty Unlimited Unlimited Unlimited mins / Unlimited texts 1 month rolling 5G Yes £18.00 /mo Get plan
GiffGaff goodybag 80GB 80GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £20.00 /mo Get plan
GiffGaff golden goodybag Unlimited Unlimited mins / Unlimited texts 1 month rolling 5G Yes £20.00 /mo Get plan
1pMobile 200GB 200GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £20.00 /mo Get plan
Lebara 100GB 100GB Unlimited mins / Unlimited texts 1 month rolling 5G - £20.00 /mo Get plan
1pMobile Unlimited Unlimited Unlimited mins / Unlimited texts 1 month rolling 5G Yes £25.00 /mo Get plan
Lebara Unlimited Unlimited Unlimited mins / Unlimited texts 1 month rolling 5G - £25.00 /mo Get plan
Lebara Unlimited Unlimited Unlimited mins / Unlimited texts 1 month rolling 5G - £30.00 /mo Get plan
GiffGaff golden goodybag Unlimited Unlimited mins / Unlimited texts 1 month rolling 5G Yes £35.00 /mo Get plan
GiffGaff goodybag 200GB 200GB Unlimited mins / Unlimited texts 1 month rolling 5G Yes £35.00 /mo Get plan

Rolling 30-day SIM-only plans: when to choose them

Rolling 30-day SIM-only plans give you a fresh 30-day commitment each month. You can cancel any time with 30 days notice and you are never locked into a long contract. The trade-off is a slightly higher monthly rate than a 12-month deal - networks reward longer commitments with a discount. Rolling plans are the right pick if you switch SIMs frequently to chase the best new-customer offers, if your circumstances might change in the next year, or if you want to test a network is coverage before committing long-term. Most MVNOs (giffgaff, Smarty, 1pMobile, Spusu, Lebara) only offer rolling plans, which is also why the rolling-monthly shortlist overlaps heavily with our no credit check SIMs - the same set of MVNOs takes payment up front and skips the credit check entirely. The big four networks (EE, O2, Three, Vodafone) all sell rolling SIMs alongside their 12 and 24-month contracts. EU roaming, 5G access and tethering are typically identical between the rolling and fixed-term versions of the same plan - you are paying for flexibility, not features. Switching at the end of any month is friction-free: text PAC to 65075 and follow our PAC code guide to keep your number.

Frequently asked questions

What is a SIM-only plan?
A SIM-only plan is just airtime - calls, texts and mobile data on a SIM card you slot into a phone you already own. There is no handset bundled in, so you pay only for the network service. Plans range from rolling 30-day deals you can cancel any time, up to 24-month contracts with bigger data allowances at lower monthly prices.
What is the difference between SIM-only and a phone contract?
A phone contract bundles a handset and an airtime plan into one monthly payment, usually over 24 or 36 months. A SIM-only plan is airtime only, so it is cheaper month-to-month and you keep using whatever phone you already own. If your current phone still works, a SIM-only plan almost always saves money compared with upgrading to a new contract.
Can I keep my phone number when I switch SIM-only plans?
Yes. Text PAC to 65075 from your existing SIM and your current network will reply with a PAC code that lets you transfer your number to the new SIM. The switch usually completes within one working day and is free under Ofgem rules.
How long does SIM activation take?
Most SIMs activate within a few hours of you putting them in your phone, though the network can take up to 24 hours to switch your number across if you used a PAC code. Until activation completes you may briefly lose service on the old SIM.
Can I cancel a SIM-only plan?
Rolling 30-day SIM-only plans can be cancelled with 30 days notice with no penalty. Fixed 12-month or 24-month SIM-only contracts have an early termination fee, usually the remaining monthly charges discounted by a few percent. Always check the terms before committing to a longer plan.
Can I cancel a rolling 30-day SIM whenever I want?
Yes - rolling plans give you 30 days notice. You can cancel any time and the SIM stays active until the end of the current billing month, so you do not lose the airtime you have already paid for.
Are rolling SIM-only plans more expensive than 12-month deals?
Slightly, yes - networks reward you with a lower monthly rate for committing to a year. The trade-off is flexibility: rolling deals let you switch the moment a better offer appears.