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

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

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
TermRolling
SIM onlyRolling
£2.80/mo
No contract — leave any month.
See deal at Mozillion
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
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
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
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
O2O2
O2 SIM Only on Classic (1 Month contract) with Unlimited mi…
SIM only
Data50GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Charge to mobile 5G-ready No speed caps Wi-Fi Calling
SIM onlyRolling
£8.00/mo
No contract — leave any month.
See deal at O2
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 60GB (1 Month contract) with Unlim…
SIM only
Data60GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£8.00/mo
No contract — leave any month.
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 108GB (1 Month contract) with Unli…
SIM only
Data108GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£9.00/mo
No contract — leave any month.
See deal at iD Mobile
1p1pMobile
Runs on EE
50GB prepay/PAYG SIM
Pay as you go
Data50GB
MinutesUnlimited
TextsUnlimited
TermRolling

30-day bundle, no contract

Pay as you goRolling
£10.00/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
Data60GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£10.00/mo
No contract — leave any month.
See deal at Fonehouse
ChChattr
Runs on O2
Chattr 6GB
SIM only
Data6GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G No credit check No price hikes EU roaming O2 Priority

No contract — cancel when you want

SIM onlyRolling
£10.00/mo
No contract — leave any month.
See deal at Chattr
O2O2
O2 SIM Only on Classic (1 Month contract) with Unlimited mi…
SIM only
Data80GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Charge to mobile 5G-ready No speed caps Wi-Fi Calling
SIM onlyRolling
£10.00/mo
No contract — leave any month.
See deal at O2
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 100GB (1 Month contract) with Unli…
SIM only
Data100GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM onlyRolling
£10.00/mo
No contract — leave any month.
See deal at iD Mobile
LeLebara
Runs on Vodafone
SIM Only 5GB
SIM only
Data5GB
Minutes1,000
Texts1,000
TermRolling
5G
SIM onlyRolling
£5.00/mo
No contract — leave any month.
See deal at Lebara
ChChattr
Runs on O2
Chattr 25GB
SIM only
Data25GB
MinutesUnlimited
TextsUnlimited
TermRolling
5G No credit check No price hikes EU roaming O2 Priority

No contract — cancel when you want

SIM onlyRolling
£11.00/mo
No contract — leave any month.
See deal at Chattr
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data10GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£5.90/mo
No contract — leave any month.
See deal at Mozillion
VXVOXI
Runs on Vodafone
VOXI SIM Only Deals
SIM only
Sold by Fonehouse
Data25GB
MinutesUnlimited
TextsUnlimited
TermRolling
SIM onlyRolling
£12.00/mo
No contract — leave any month.
See deal at Fonehouse