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.

Filter deals

Reset filters
Sort by True monthly cost Monthly price Upfront cost Total cost Most data

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

MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data310GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£20.00/mo
No contract — leave any month.
See deal at Mozillion
O2O2
O2 SIM Only on Ultimate Unlimited (12 Month contract) with …
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards Data Rollover
SIM only12 months
£41.99/mo
£41.99 × 12£503.88
See deal at O2
O2O2
O2 SIM Only on Ultimate Unlimited (12 Month contract) with …
SIM only
DataUnlimited
MinutesUnlimited
Texts100
Term12 mths
Unlimited data 5G O2 Priority Charge to mobile Recommend a Friend and Earn Rewards Data Rollover
SIM only12 months
£41.99/mo
£41.99 × 12£503.88
See deal at O2
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term24 mths
Unlimited data
SIM only24 months
£22.00/mo
£22.00 × 24£1,056
See deal at Mozillion
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
Term12 mths
Unlimited data
SIM only12 months
£22.50/mo
£22.50 × 12£540
See deal at Mozillion
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
TermRolling
Unlimited data
SIM onlyRolling
£23.00/mo
No contract — leave any month.
See deal at Mozillion
LeLebara
Runs on Vodafone
SIM Only Unlimited
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
TermRolling
Unlimited data 5G
SIM onlyRolling
£25.00/mo
No contract — leave any month.
See deal at Lebara
LeLebara
Runs on Vodafone
SIM Only Unlimited
SIM only
DataUnlimited
MinutesUnlimited
TextsUnlimited
TermRolling
Unlimited data 5G
SIM onlyRolling
£30.00/mo
No contract — leave any month.
See deal at Lebara