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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60 deals match your filters. Prices last checked 4 November 2026.

ChChattr
Runs on O2
Chattr 50GB
SIM only
Data50GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G No credit check No price hikes EU roaming O2 Priority

No contract — cancel when you want

SIM onlyRolling
£12.00/mo
No contract — leave any month.
See deal at Chattr
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 200GB (1 Month contract) with Unli…
SIM only
Data200GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£12.00/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
Data120GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Charge to mobile 5G-ready No speed caps Wi-Fi Calling
SIM onlyRolling
£12.00/mo
No contract — leave any month.
See deal at O2
1p1pMobile
Runs on EE
75GB prepay/PAYG SIM
Pay as you go
Data75GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G

30-day bundle, no contract

Pay as you goRolling
£12.50/mo
30-day bundle, top up when you choose.
See deal at 1pMobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 250GB (1 Month contract) with Unli…
SIM only
Data250GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£14.00/mo
No contract — leave any month.
See deal at iD Mobile
LeLebara
Runs on Vodafone
SIM Only 15GB
SIM only
Data15GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G
SIM onlyRolling
£7.00/mo
No contract — leave any month.
See deal at Lebara
1p1pMobile
Runs on EE
100GB prepay/PAYG SIM
Pay as you go
Data100GB
MinutesUnlimited
TextsUnlimited
TermRolling

30-day bundle, no contract

Pay as you goRolling
£15.00/mo
30-day bundle, top up when you choose.
See deal at 1pMobile
ChChattr
Runs on O2
Freedom One
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
TermRolling
Unlimited data 5G No credit check No price hikes EU roaming O2 Priority

£15/mo for months 1–5, £14/mo for months 6–11, then £13/mo from month 12

SIM onlyRolling
£15.00/mo
No contract — leave any month.
See deal at Chattr
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
£15.00/mo
No contract — leave any month.
See deal at iD Mobile
VXVOXI
Runs on Vodafone
VOXI SIM Only Deals
SIM only
Sold by Fonehouse
Data140GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£15.00/mo
No contract — leave any month.
See deal at Fonehouse
O2O2
O2 SIM Only on Classic (1 Month contract) with Unlimited mi…
SIM only
Data250GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Charge to mobile 5G-ready No speed caps Wi-Fi Calling
SIM onlyRolling
£15.00/mo
No contract — leave any month.
See deal at O2
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data30GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£7.90/mo
No contract — leave any month.
See deal at Mozillion
LeLebara
Runs on Vodafone
SIM Only 30GB
SIM only
Data30GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G
SIM onlyRolling
£8.00/mo
No contract — leave any month.
See deal at Lebara
1p1pMobile
Runs on EE
150GB prepay/PAYG SIM
Pay as you go
Data150GB
MinutesUnlimited
TextsUnlimited
TermRolling

30-day bundle, no contract

Pay as you goRolling
£17.50/mo
30-day bundle, top up when you choose.
See deal at 1pMobile
LeLebara
Runs on Vodafone
SIM Only 50GB
SIM only
Data50GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G
SIM onlyRolling
£9.00/mo
No contract — leave any month.
See deal at Lebara
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
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
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 Mini 3GB (1 Month contract) with Unlimited m…
SIM only
Data3GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G 6 months Free Disney+ O2 Priority Charge to mobile Recommend a Friend and Earn Rewards
SIM onlyRolling
£24.00/mo
No contract — leave any month.
See deal at O2