Ranked by true cost

SIM only & pay as you go

Already got a handset you are happy with? A SIM-only plan is almost always cheaper. Rolling 30-day plans and pay-as-you-go bundles let you leave whenever you like.

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180 deals match your filters. Prices last checked 28 October 2026.

LeLebara
Runs on Vodafone
12 Month Plan 5GB
SIM only
Data5GB
Minutes1,000
Texts1,000
Term12 mths
5G
SIM only12 months
£4.50/mo
£4.50 × 12£58.50
See deal at Lebara
1p1pMobile
Runs on EE
5GB prepay/PAYG SIM
Pay as you go
Data5GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G

30-day bundle, no contract

Pay as you goRolling
£5.00/mo
30-day bundle, top up when you choose.
See deal at 1pMobile
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data1GB
Minutes500
Texts500
Term24 mths
SIM only24 months
£2.50/mo
£2.50 × 24£120
See deal at Mozillion
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data1GB
Minutes500
Texts500
Term12 mths
SIM only12 months
£2.75/mo
£2.75 × 12£66
See deal at Mozillion
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data1GB
Minutes500
Texts500
TermRolling
SIM onlyRolling
£2.80/mo
No contract — leave any month.
See deal at Mozillion
3Three
Three SIM Only Deals
SIM only
Sold by Fonehouse
Data1GB
MinutesUnlimited
TextsUnlimited
Term24 mths
£10 Automatic Cashback
SIM only24 months
£6.00/mo
£6.00 × 24£144
See deal at Fonehouse
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 25GB (1 Month contract) with Unlim…
SIM only
Data25GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£6.00/mo
No contract — leave any month.
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 12GB (12 Month contract) with Unli…
SIM only
Data12GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£6.00/mo
£6.00 × 12£72
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 15GB (24 Month contract) with Unli…
SIM only
Data15GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only24 months
£6.00/mo
£6.00 × 24£144
See deal at iD Mobile
3Three
Three SIM Only Deals
SIM only
Sold by Fonehouse
Data8GB
MinutesUnlimited
TextsUnlimited
Term12 mths
SIM only12 months
£7.00/mo
£7.00 × 12£84
See deal at Fonehouse
O2O2
O2 SIM Only on Refresh Flex - Smartwatch 1GB (1 Month contr…
SIM only
Data1GB
MinutesUnlimited
TextsUnlimited
TermRolling
O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
SIM onlyRolling
£7.00/mo
No contract — leave any month.
See deal at O2
O2O2
O2 SIM Only on Classic (12 Month contract) with Unlimited m…
SIM only
Data10GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Charge to mobile Free EU Roaming 5G-ready No speed caps
SIM only12 months
£7.00/mo
£7.00 × 12£84
See deal at O2
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 50GB (1 Month contract) with Unlim…
SIM only
Data50GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£7.00/mo
No contract — leave any month.
See deal at iD Mobile
O2O2
O2 SIM Only on Classic (1 Month contract) with Unlimited mi…
SIM only
Data10GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Charge to mobile 5G-ready No speed caps Wi-Fi Calling
SIM onlyRolling
£7.00/mo
No contract — leave any month.
See deal at O2
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 25GB (12 Month contract) with Unli…
SIM only
Data25GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£7.00/mo
£7.00 × 12£84
See deal at iD Mobile
VFVodafone
Vodafone SIM Only Deals
SIM only
Sold by Fonehouse
Data16GB
MinutesUnlimited
TextsUnlimited
Term12 mths
SIM only12 months
£7.00/mo
£7.00 × 12£84
See deal at Fonehouse
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
Term24 mths
SIM only24 months
£3.50/mo
£3.50 × 24£168
See deal at Mozillion
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
Term12 mths
SIM only12 months
£3.75/mo
£3.75 × 12£90
See deal at Mozillion
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£3.90/mo
No contract — leave any month.
See deal at Mozillion
1p1pMobile
Runs on EE
10GB prepay/PAYG SIM
Pay as you go
Data10GB
MinutesUnlimited
TextsUnlimited
TermRolling

30-day bundle, no contract

Pay as you goRolling
£8.00/mo
30-day bundle, top up when you choose.
See deal at 1pMobile