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LESS SPEND. SAME YOU.

Unlimited data SIM-only deals.

More data freedom. Still worth checking the small print.

72deals24network providersHow we compare

A good place to start

Lowest costs in our listed deals

Your network provider. Your choice.

72 deals.

A clearer view of what you'll pay.

iD Mobile

via Carphone Warehouse

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£14.00/mo
£168.00 first-year estimate
View deal at Carphone Warehouse
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£14.00
Upfront
£0.00
first-year estimate
£168.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Carphone Warehouse.

iD Mobile

via Mobiles.co.uk

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£14.00/mo
£168.00 first-year estimate
View deal at Mobiles.co.uk
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£14.00
Upfront
£0.00
first-year estimate
£168.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Mobiles.co.uk.

giffgaff

Direct from giffgaff

Runs on O2
Monthly data
Unlimited
Unlimited calls & texts
Contract
18 months
18-month minimum · 5G
£14.00/mo
£168.00 first-year estimate
View deal at giffgaff
No annual rises5GB roamingNo credit check
Price breakdown & plan details
Starting monthly price
£14.00
Upfront
£0.00
first-year estimate
£168.00
Annual price rise
None during the contract

Plan checked 09/09/2026. Final price and availability are confirmed by giffgaff.

Three

via Metrofone

Three network
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£17.00/mo
£175.90 first-year estimate
View deal at Metrofone
Metrofone auto cashback £35.00 included
Annual rise £2.30/mo
Price breakdown & plan details
Starting monthly price
£17.00
Upfront
£0.00
first-year estimate
£175.90 before cashback
Annual price rise
£2.30/mo each April

Offer terms: Metrofone auto cashback £35.00 included

Included benefits: Go Roam is chargeable by destination; Tethering included

Cashback may require a claim. It is not deducted from the bill estimate above.

Plan checked 01/09/2026. Final price and availability are confirmed by Metrofone.

iD Mobile

via Carphone Warehouse

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
24 months
24-month minimum · 5G
£15.00/mo
£180.00 first-year estimate
View deal at Carphone Warehouse
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Carphone Warehouse.

iD Mobile

via Carphone Warehouse

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£15.00/mo
£180.00 first-year estimate
View deal at Carphone Warehouse
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Carphone Warehouse.

iD Mobile

via Carphone Warehouse

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£15.00/mo
£180.00 first-year estimate
View deal at Carphone Warehouse
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Carphone Warehouse.

iD Mobile

Direct from iD Mobile

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
24 months
24-month minimum · 5G
£15.00/mo
£180.00 first-year estimate
View deal at iD Mobile
No annual riseseSIM30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00
Annual price rise
None during the contract

Included benefits: Data rollover; 50 inclusive roaming destinations

Plan checked 09/09/2026. Final price and availability are confirmed by iD Mobile.

iD Mobile

via Mobiles.co.uk

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£15.00/mo
£180.00 first-year estimate
View deal at Mobiles.co.uk
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Mobiles.co.uk.

iD Mobile

via Mobiles.co.uk

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£15.00/mo
£180.00 first-year estimate
View deal at Mobiles.co.uk
£34 Automatic Cashback
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00 before cashback
Annual price rise
None during the contract

Offer terms: £34 Automatic Cashback

Included benefits: Data rollover; Roam Free in 50 destinations

Cashback may require a claim. It is not deducted from the bill estimate above.

Plan checked 01/09/2026. Final price and availability are confirmed by Mobiles.co.uk.

iD Mobile

via Mobiles.co.uk

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
24 months
24-month minimum · 5G
£15.00/mo
£180.00 first-year estimate
View deal at Mobiles.co.uk
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£15.00
Upfront
£0.00
first-year estimate
£180.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Mobiles.co.uk.

iD Mobile

Direct from iD Mobile

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£16.00/mo
£192.00 first-year estimate
View deal at iD Mobile
No annual riseseSIM30GB roaming
Price breakdown & plan details
Starting monthly price
£16.00
Upfront
£0.00
first-year estimate
£192.00
Annual price rise
None during the contract

Included benefits: Data rollover; 50 inclusive roaming destinations

Plan checked 09/09/2026. Final price and availability are confirmed by iD Mobile.

iD Mobile

Direct from iD Mobile

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£18.00/mo
£216.00 first-year estimate
View deal at iD Mobile
No annual riseseSIM30GB roaming
Price breakdown & plan details
Starting monthly price
£18.00
Upfront
£0.00
first-year estimate
£216.00
Annual price rise
None during the contract

Included benefits: Data rollover; 50 inclusive roaming destinations

Plan checked 09/09/2026. Final price and availability are confirmed by iD Mobile.

iD Mobile

via Mobiles.co.uk

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
12 months
12-month minimum · 5G
£18.00/mo
£216.00 first-year estimate
View deal at Mobiles.co.uk
No annual rises30GB roaming
Price breakdown & plan details
Starting monthly price
£18.00
Upfront
£0.00
first-year estimate
£216.00
Annual price rise
None during the contract

Included benefits: Data rollover; Roam Free in 50 destinations

Plan checked 01/09/2026. Final price and availability are confirmed by Mobiles.co.uk.

Asda Mobile

Direct from Asda Mobile

Runs on Vodafone
Monthly data
Unlimited
Unlimited calls & texts
Contract
24 months
24-month minimum · 5G
£19.00/mo
£228.00 first-year estimate
View deal at Asda Mobile
No annual rises
Price breakdown & plan details
Starting monthly price
£19.00
Upfront
£0.00
first-year estimate
£228.00
Annual price rise
None during the contract

Included benefits: Rollover unused data; roaming in 46 destinations

Plan checked 09/09/2026. Final price and availability are confirmed by Asda Mobile.

Zable

Direct from Zable

Runs on Vodafone
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£20.00/mo
£240.00 first-year estimate
View deal at Zable
eSIM10GB roamingNo credit check
Price breakdown & plan details
Starting monthly price
£20.00
Upfront
£0.00
first-year estimate
£240.00
Annual price rise
Check network provider terms

Included benefits: eSIM only

Plan checked 09/09/2026. Final price and availability are confirmed by Zable.

SMARTY

Direct from SMARTY

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£20.00/mo
£240.00 first-year estimate
View deal at SMARTY
No annual riseseSIM12GB roamingNo credit check
Price breakdown & plan details
Starting monthly price
£20.00
Upfront
£0.00
first-year estimate
£240.00
Annual price rise
None during the contract

Included benefits: EU roaming up to 12GB; eSIM; cancel anytime

Plan checked 09/09/2026. Final price and availability are confirmed by SMARTY.

Superdrug Mobile

Direct from Superdrug Mobile

Runs on Three
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£20.00/mo
£240.00 first-year estimate
View deal at Superdrug Mobile
Price breakdown & plan details
Starting monthly price
£20.00
Upfront
£0.00
first-year estimate
£240.00
Annual price rise
Check network provider terms

Included benefits: Data rollover; Health & Beautycard points, not cash: 50% of first plan cost on activation and 50% after first renewal

Plan checked 09/09/2026. Final price and availability are confirmed by Superdrug Mobile.

giffgaff

Direct from giffgaff

Runs on O2
Monthly data
Unlimited
Unlimited calls & texts
Contract
Rolling
No long commitment · 5G
£20.00/mo
£240.00 first-year estimate
View deal at giffgaff
5GB roamingNo credit check
Price breakdown & plan details
Starting monthly price
£20.00
Upfront
£0.00
first-year estimate
£240.00
Annual price rise
Check network provider terms

Plan checked 09/09/2026. Final price and availability are confirmed by giffgaff.

Tesco Mobile

Direct from Tesco Mobile

Runs on O2
Monthly data
Unlimited
Unlimited calls & texts
Contract
24 months
24-month minimum · 5G
£20.00/mo
£240.00 first-year estimate
View deal at Tesco Mobile
Clubcard price; price frozen for the contract
No annual rises
Price breakdown & plan details
Starting monthly price
£20.00
Upfront
£0.00
first-year estimate
£240.00
Annual price rise
None during the contract

Offer terms: Clubcard price; price frozen for the contract

Included benefits: No EU roaming fees

Plan checked 09/09/2026. Final price and availability are confirmed by Tesco Mobile.

Showing 20 of 72 deals

Prices and availability can change. Check the network provider's final terms before ordering. First-year estimates include known price rises and introductory periods; conditional cashback is shown separately.

Unlimited data is not unlimited everything

These listings advertise an unlimited UK data allowance. That does not mean every plan has the same speed, tethering rules or overseas usage. Compare those conditions alongside the price, especially if you plan to use a laptop hotspot or rely on the SIM for heavy streaming.

A large finite allowance can cost less and still cover your usage. Check recent data consumption before paying for unlimited, and compare the ongoing charge after any introductory offer. Roaming is a separate allowance or charging arrangement: do not assume unlimited UK data applies abroad.

Before you choose

  • Check speed caps and fair-use conditions.
  • Confirm tethering rules for your intended devices.
  • Compare against a generous finite-data plan before paying more.

How GetLow compares plans and costs

SMALL SIM. SMARTER CHOICE.

More clarity.
Less contract confusion.

Our comparison promise
Starting price or ongoing price?

An introductory discount can make the first few bills smaller. We show when that price ends and the ongoing price beside it. The first-year estimate adds up the known payments, rather than multiplying a temporary offer by twelve.

Can I keep my mobile number?

You can normally keep your number when switching network providers. Request a PAC from your current provider and give it to the new one. Check your existing contract for any early exit charges first.

What does "runs on" mean?

Some network providers use another operator's mobile network. Coverage may be similar, but speeds, roaming, extras and customer service can differ. Compare the plan itself, not just the network name.

Is a 30-day plan the same as a month?

Not exactly. Twelve 30-day renewals cover 360 days. Where the offer explicitly uses this billing cycle, we label that estimate separately. Always check the provider's billing and cancellation terms.

THE DETAILS, SIDE BY SIDE

Your shortlist.