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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208 deals match your filters. Prices last checked 29 October 2026.

MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data80GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£9.90/mo
No contract — leave any month.
See deal at Mozillion
O2O2
O2 SIM Only on Plus 3GB (24 Month contract) with Unlimited …
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£19.99/mo
£19.99 × 24£479.76
See deal at O2
O2O2
O2 SIM Only on Plus 3GB (24 Month contract) with 100 texts;…
SIM only
Data3GB
MinutesUnlimited
Texts100
Term24 mths
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£19.99/mo
£19.99 × 24£479.76
See deal at O2
1p1pMobile
Runs on EE
200GB prepay/PAYG SIM
Pay as you go
Data200GB
MinutesUnlimited
TextsUnlimited
TermRolling

30-day bundle, no contract

Pay as you goRolling
£20.00/mo
30-day bundle, top up when you choose.
See deal at 1pMobile
VXVOXI
Runs on Vodafone
VOXI SIM Only Deals
SIM only
Sold by Fonehouse
Data100GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£20.00/mo
No contract — leave any month.
See deal at Fonehouse
O2O2
O2 SIM Only on Classic (24 Month contract) with Unlimited m…
SIM only
Data100GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G 3 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£20.00/mo
£20.00 × 24£480
See deal at O2
O2O2
O2 SIM Only on Classic 100GB (24 Month contract) with 100 t…
SIM only
Data100GB
MinutesUnlimited
Texts100
Term24 mths
5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
SIM only24 months
£20.00/mo
£20.00 × 24£480
See deal at O2
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G Unlimited (1 Month contract) with …
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
TermRolling
Unlimited data 5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£20.00/mo
No contract — leave any month.
See deal at iD Mobile
LeLebara
Runs on Vodafone
SIM Only 30GB
SIM only
Data30GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G
SIM onlyRolling
£10.00/mo
No contract — leave any month.
See deal at Lebara
O2O2
O2 SIM Only on Classic (12 Month contract) with Unlimited m…
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G 3 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only12 months
£21.00/mo
£21.00 × 12£252
See deal at O2
O2O2
O2 SIM Only on Classic (24 Month contract) with Unlimited m…
SIM only
Data20GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G 3 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£21.00/mo
£21.00 × 24£504
See deal at O2
O2O2
O2 SIM Only on Classic 20GB (24 Month contract) with 100 te…
SIM only
Data20GB
MinutesUnlimited
Texts100
Term24 mths
5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
SIM only24 months
£21.00/mo
£21.00 × 24£504
See deal at O2
O2O2
O2 SIM Only on Classic 3GB (12 Month contract) with 100 tex…
SIM only
Data3GB
MinutesUnlimited
Texts100
Term12 mths
5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
SIM only12 months
£21.00/mo
£21.00 × 12£252
See deal at O2
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data100GB
MinutesUnlimited
TextsUnlimited
Term24 mths
SIM only24 months
£11.00/mo
£11.00 × 24£528
See deal at Mozillion
O2O2
O2 SIM Only on Plus 20GB (24 Month contract) with Unlimited…
SIM only
Data20GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£22.99/mo
£22.99 × 24£551.76
See deal at O2
O2O2
O2 SIM Only on Plus 3GB (12 Month contract) with Unlimited …
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only12 months
£22.99/mo
£22.99 × 12£275.88
See deal at O2
O2O2
O2 SIM Only on Plus 20GB (24 Month contract) with 100 texts…
SIM only
Data20GB
MinutesUnlimited
Texts100
Term24 mths
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£22.99/mo
£22.99 × 24£551.76
See deal at O2
O2O2
O2 SIM Only on Plus 3GB (12 Month contract) with 100 texts;…
SIM only
Data3GB
MinutesUnlimited
Texts100
Term12 mths
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only12 months
£22.99/mo
£22.99 × 12£275.88
See deal at O2
O2O2
O2 SIM Only on Classic (24 Month contract) with Unlimited m…
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term24 mths
Unlimited data 5G 3 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM only24 months
£23.00/mo
£23.00 × 24£552
See deal at O2
O2O2
O2 SIM Only on Classic Unlimited (24 Month contract) with 1…
SIM only
DataUnlimited
MinutesUnlimited
Texts100
Term24 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards 5G-ready
SIM only24 months
£23.00/mo
£23.00 × 24£552
See deal at O2