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.

iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 90GB (12 Month contract) with Unli…
SIM only
Data90GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£10.00/mo
£10.00 × 12£120
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 70GB (1 Month contract) with Unlim…
SIM only
Data70GB
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
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 120GB (12 Month contract) with Unl…
SIM only
Data120GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£10.00/mo
£10.00 × 12£120
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 100GB (12 Month contract) with Unl…
SIM only
Data100GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£10.00/mo
£10.00 × 12£120
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 100GB (12 Month contract) with Unl…
SIM only
Data100GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£10.00/mo
£10.00 × 12£120
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 120GB (1 Month contract) with Unli…
SIM only
Data120GB
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
MoMozillion
Runs on EE
Mozillion SIM only
SIM only
Data10GB
MinutesUnlimited
TextsUnlimited
Term24 mths
SIM only24 months
£5.00/mo
£5.00 × 24£240
See deal at Mozillion
VFVodafone
Vodafone SIM Only Deals
SIM only
Sold by Fonehouse
Data60GB
MinutesUnlimited
TextsUnlimited
Term24 mths
£144 Redemption Cashback
SIM only24 months
£11.00/mo
£11.00 × 24£264
See deal at Fonehouse
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
Term12 mths
SIM only12 months
£5.50/mo
£5.50 × 12£132
See deal at Mozillion
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
VFVodafone
Vodafone SIM Only Deals
SIM only
Sold by Fonehouse
Data100GB
MinutesUnlimited
TextsUnlimited
Term12 mths
£15 Automatic Cashback
SIM only12 months
£12.00/mo
£12.00 × 12£144
See deal at Fonehouse
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
O2O2
O2 SIM Only on Classic (12 Month contract) with Unlimited m…
SIM only
Data120GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Charge to mobile 5G-ready No speed caps Wi-Fi Calling
SIM only12 months
£12.00/mo
£12.00 × 12£144
See deal at O2
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
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 150GB (24 Month contract) with Unl…
SIM only
Data150GB
MinutesUnlimited
TextsUnlimited
Term24 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only24 months
£12.00/mo
£12.00 × 24£288
See deal at iD Mobile
iDiD Mobile
Runs on Three
iD Mobile SIM Only on 5G 150GB (12 Month contract) with Unl…
SIM only
Data150GB
MinutesUnlimited
TextsUnlimited
Term12 mths
5G Capped Contracts Data Rollover Free EU Roaming 14-day return policy for online purchases
SIM only12 months
£12.00/mo
£12.00 × 12£144
See deal at iD Mobile