Best Sim Cards of 2025

Last updated on 10/10/2025
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1
Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM
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Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM
3
Free Shipping
Why we love it
  • 24GB data lasting 24 months.
  • 5G access at no cost.
  • Compatible with any unlocked device.
Main Highlights
  • Pre-loaded with 24GB of data that lasts up to 24 months.
  • Access to our 5G network – at no extra cost.
  • Use data in 71 destinations – up to 12GB
  • SIM fits any unlocked 3G, 4G and 5G device.
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9.9
Exceptional
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9.9
Exceptional
3
Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM
Free Shipping
Why we love it
  • 24GB data lasting 24 months.
  • 5G access at no cost.
  • Compatible with any unlocked device.
Main Highlights
  • Pre-loaded with 24GB of data that lasts up to 24 months.
  • Access to our 5G network – at no extra cost.
  • Use data in 71 destinations – up to 12GB
  • SIM fits any unlocked 3G, 4G and 5G device.
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Value for Money
2
EE PAYG £10 Data Sim Includes £10 pre-paid credit, 20GB Data, 500 Minutes and Unlimited Texts (EE £10-20GB)
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EE PAYG £10 Data Sim Includes £10 pre-paid credit, 20GB Data, 500 Minutes and Unlimited Texts (EE £10-20GB)
EE
Free Shipping
Why we love it
  • Generous data and call allowances.
  • Attractive bonus on multiple purchases.
  • Fast 4G cellular technology.
Main Highlights
  • 20GB Data included, lasts up to 30 days
  • The packaging you receive may differ from the image displayed but the data you receive will be as detailed above
  • Roaming is not included
  • Free Boost - Buy 2 packs and get 2GB free
  • 500 minutes and unlimited texts
  • If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
  • To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser
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9.9
Exceptional
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9.9
Exceptional
EE
EE PAYG £10 Data Sim Includes £10 pre-paid credit, 20GB Data, 500 Minutes and Unlimited Texts (EE £10-20GB)
Free Shipping
Why we love it
  • Generous data and call allowances.
  • Attractive bonus on multiple purchases.
  • Fast 4G cellular technology.
Main Highlights
  • 20GB Data included, lasts up to 30 days
  • The packaging you receive may differ from the image displayed but the data you receive will be as detailed above
  • Roaming is not included
  • Free Boost - Buy 2 packs and get 2GB free
  • 500 minutes and unlimited texts
  • If the purchased pre-paid credit is not immediately available when the sim is put into the device, please message us and include the mobile number as detailed on the back of the packaging.
  • To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser
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3
EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)
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EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)
EE
Free Shipping
Why we love it
  • Generous 120GB data upon activation.
  • Zero contracts attached.
  • Comes in all SIM sizes.
Main Highlights
  • 120GB of Data Included
  • Lasts up to 12 months from activation
  • No contract, no commitment. You can top-up to buy more data
  • The EE PAYG 120GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
  • SIM Card - Standard, Micro, and Nano SIM all-in-one with 120GB of data
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9.7
Exceptional
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9.7
Exceptional
EE
EE PAYG MBB 120GB 12 Months SIM (EE PAYG MBB 120GB 12 Months SIM)
Free Shipping
Why we love it
  • Generous 120GB data upon activation.
  • Zero contracts attached.
  • Comes in all SIM sizes.
Main Highlights
  • 120GB of Data Included
  • Lasts up to 12 months from activation
  • No contract, no commitment. You can top-up to buy more data
  • The EE PAYG 120GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
  • SIM Card - Standard, Micro, and Nano SIM all-in-one with 120GB of data
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4
EE PAYG SIM card preloaded with 120GB of Data
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EE PAYG SIM card preloaded with 120GB of Data
EE
Free Shipping
Why we love it
  • Generous 120GB data included.
  • Valid for a year from activation.
  • No contracts, no commitments.
Main Highlights
  • 120GB of Data Included
  • Lasts up to 12 months from activation
  • No contract, no commitment. You can top-up to buy more data
  • The EE PAYG 120GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
  • SIM Card - Standard, Micro, and Nano SIM all-in-one with 120GB of data
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9.6
Superb
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9.6
Superb
EE
EE PAYG SIM card preloaded with 120GB of Data
Free Shipping
Why we love it
  • Generous 120GB data included.
  • Valid for a year from activation.
  • No contracts, no commitments.
Main Highlights
  • 120GB of Data Included
  • Lasts up to 12 months from activation
  • No contract, no commitment. You can top-up to buy more data
  • The EE PAYG 120GB data SIM is compatible with the all unlocked devices or those that are locked to the EE network
  • SIM Card - Standard, Micro, and Nano SIM all-in-one with 120GB of data
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5
EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)
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EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)
love 2 surf
4% OffFree Shipping
Why we love it
  • Free 12GB data promo.
  • Trio SIM fits any device.
  • 4G speeds and WiFi calling.
Main Highlights
  • Quick & Easy Sim Activation - FREE 12GB PROMO activate by 31 JAN 2026 – total 20GB
  • The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 20GB ‘Extra Data’ promotional offer after activation on our website
  • Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING. Trio SIM fits any unlocked 4G and above phone or devices locked to EE network. Personal hotspot/tethering allowed
  • 4G speeds up to 25Mbps (No 5G with PAYG). WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND & 150,000 LOCATIONS ACROSS UK
  • To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser
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9.4
Superb
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9.4
Superb
love 2 surf
EE Pay As You Go SIM Card UK PREPAID PAYG £10 Bundle 8GB + (12GB FREE DATA every month for 6 months with regular top ups (Promotion request deadline of 31.01.2026)
4% OffFree Shipping
Why we love it
  • Free 12GB data promo.
  • Trio SIM fits any device.
  • 4G speeds and WiFi calling.
Main Highlights
  • Quick & Easy Sim Activation - FREE 12GB PROMO activate by 31 JAN 2026 – total 20GB
  • The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 20GB ‘Extra Data’ promotional offer after activation on our website
  • Bundle lasts 30 days from activation -BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING. Trio SIM fits any unlocked 4G and above phone or devices locked to EE network. Personal hotspot/tethering allowed
  • 4G speeds up to 25Mbps (No 5G with PAYG). WIFI CALLING + WIFI COVERAGE ON LONDON UNDERGROUND & 150,000 LOCATIONS ACROSS UK
  • To view EE’s pay as you go pre-service information, visit ee.co.uk/paygservice. Please read before placing your order. You can download or save the document from your browser
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6
O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE
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O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE
talk all day
Free Shipping
Why we love it
  • Automatically converts into a bundle.
  • Lasts for 30 days.
  • Easy claim instructions included.
Main Highlights
  • credit will be automatically converted into a bundle
  • the £10 will be exchanged into the bundle which lasts for 30 days
  • before you can use for roaming, the sim HAS to be used in the UK
  • have to claim the credit via the instructions enclosed in the package
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9.2
Superb
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9.2
Superb
talk all day
O2 PAY AS YOU GO SIM CARD WITH £10 BUNDLE - 8 GB AND UNLIMITED CALLS AND TEXTS - ROAM IN EUROPE
Free Shipping
Why we love it
  • Automatically converts into a bundle.
  • Lasts for 30 days.
  • Easy claim instructions included.
Main Highlights
  • credit will be automatically converted into a bundle
  • the £10 will be exchanged into the bundle which lasts for 30 days
  • before you can use for roaming, the sim HAS to be used in the UK
  • have to claim the credit via the instructions enclosed in the package
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7
O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB + (16GB FREE DATA every month for 3 months with regular top ups) - Promotion request deadline of 07.01.2026
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O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB + (16GB FREE DATA every month for 3 months with regular top ups) - Promotion request deadline of 07.01.2026
love 2 surf
Free Shipping
Why we love it
  • Convenient prepaid bundle.
  • Roaming within EU zone.
  • Affordable international calls.
Main Highlights
  • Quick & Easy Sim Activation - FREE 16GB PROMO activate by 07 JAN 2026 – total 24GB
  • The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 24GB ‘MORE Data’ promotional offer after activation on our website
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 25GB while roaming (calls & texts allowance is for UK numbers only)
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
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9.1
Superb
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9.1
Superb
love 2 surf
O2 SIM Card UK & EUROPE PREPAID PAYG £10 Bundle 8GB + (16GB FREE DATA every month for 3 months with regular top ups) - Promotion request deadline of 07.01.2026
Free Shipping
Why we love it
  • Convenient prepaid bundle.
  • Roaming within EU zone.
  • Affordable international calls.
Main Highlights
  • Quick & Easy Sim Activation - FREE 16GB PROMO activate by 07 JAN 2026 – total 24GB
  • The sim pack you receive will state 8GB on the printed packaging. This will be upgraded to 24GB ‘MORE Data’ promotional offer after activation on our website
  • MUST USE SIM IN UK PRIOR TO USE IN EUROPE – data is limited to 25GB while roaming (calls & texts allowance is for UK numbers only)
  • Bundle lasts 30 days from activation. Trio SIM fits any unlocked 4G and above phone or devices locked to O2 network. Personal hotspot/tethering allowed.
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
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8
Vodafone SIM Card UK PREPAID PAYG £10 Bundle -7GB + (14GB FREE DATA every month for 3 months with regular top ups (Promotion request deadline of 19.01.2026) - Love2surf RETAIL PACK
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Vodafone SIM Card UK PREPAID PAYG £10 Bundle -7GB + (14GB FREE DATA every month for 3 months with regular top ups (Promotion request deadline of 19.01.2026) - Love2surf RETAIL PACK
love 2 surf
Free Shipping
Why we love it
  • Prepaid bundle provides monthly flexibility.
  • Fits any unlocked phone easily.
  • Allows affordable international calling.
Main Highlights
  • QUICK & EASY SIM ACTIVATION - FREE 14GB PROMO activate by 19 JAN 2026 – total 21GB
  • The sim pack you receive will state 7GB on the printed packaging. This will be upgraded to 21GB ‘Extra Data’ promotional offer after activation on our website
  • BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
Show More
9.0
Superb
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9.0
Superb
love 2 surf
Vodafone SIM Card UK PREPAID PAYG £10 Bundle -7GB + (14GB FREE DATA every month for 3 months with regular top ups (Promotion request deadline of 19.01.2026) - Love2surf RETAIL PACK
Free Shipping
Why we love it
  • Prepaid bundle provides monthly flexibility.
  • Fits any unlocked phone easily.
  • Allows affordable international calling.
Main Highlights
  • QUICK & EASY SIM ACTIVATION - FREE 14GB PROMO activate by 19 JAN 2026 – total 21GB
  • The sim pack you receive will state 7GB on the printed packaging. This will be upgraded to 21GB ‘Extra Data’ promotional offer after activation on our website
  • BUNDLE DOES NOT INCLUDE EUROPEAN ROAMING
  • Trio SIM fits any unlocked 4G and above phone or devices locked to Vodafone network. Personal hotspot/tethering allowed
  • INTERNATIONAL CALLING SERVICE TO USE WITH SIM - E.g. USA - 0.3p/min and EU - 0.3p/min (optional extra)
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9
Vodafone Pay As You Go Sim Card
Vodafone Pay As You Go Sim Card
Vodafone
33% Off
Why we love it
  • Makes switching to Vodafone easy.
  • Revives old phones effortlessly.
  • Perfect for UK visits.
Main Highlights
  • Suitable if your switching to the Vodafone network
  • Reactivate an old phone with this Sim Card
  • Visit the UK with your handset
  • Connect your existing phone to a wide range of Vodafone products and services
  • New SIM with mobile phone number
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8.8
Excellent
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8.8
Excellent
Vodafone
Vodafone Pay As You Go Sim Card
33% Off
Why we love it
  • Makes switching to Vodafone easy.
  • Revives old phones effortlessly.
  • Perfect for UK visits.
Main Highlights
  • Suitable if your switching to the Vodafone network
  • Reactivate an old phone with this Sim Card
  • Visit the UK with your handset
  • Connect your existing phone to a wide range of Vodafone products and services
  • New SIM with mobile phone number
Show More
10
O2 Pay As You Go Sim Card, blue
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O2 Pay As You Go Sim Card, blue
O2
10% Off
Why we love it
  • Flexibility with no binding contract.
  • Savings with zero monthly bills.
  • Reasonable call and text charges.
Main Highlights
  • No Contract To Sign
  • No Monthly Bills
  • Pay As You Go
  • Official Dealer Pack
  • Great Call & Text Charges
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8.7
Excellent
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8.7
Excellent
O2
O2 Pay As You Go Sim Card, blue
10% Off
Why we love it
  • Flexibility with no binding contract.
  • Savings with zero monthly bills.
  • Reasonable call and text charges.
Main Highlights
  • No Contract To Sign
  • No Monthly Bills
  • Pay As You Go
  • Official Dealer Pack
  • Great Call & Text Charges
Show More

We scanned 777 products

We reviewed these offers relevant to the Sim Cards within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like 3, EE, love 2 surf, talk all day, Vodafone, O2, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Sim Cards in the market, we considered we took a deep dive into 3886 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: