Advertising Disclosure Three Sim Card Only Comparison - December 2025
4 Best Three Sim Card Only In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2  9.6Exceptional | 3  9.4Excellent | 4 Best Value  9.3Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelThree 500GB Data SIM - Uncapped 5G - Preloaded MONTHLY Until October 2025 - Plug & Play for Routers & Phones - Access to Three & Vodafone - Connects to the Strongest Signal available | Model Wave Connect Quad Network Data Only SIM card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked IoT Devices, Cameras (12GB | 12 Months) | Model Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM | Model Three Mobile Pay As You Go SIM |
BrandScancom | Brand Wave Connect | Brand 3 | Brand 3 MOBILE |
Reviews | Reviews | Reviews  | Reviews |
Tech Specs | |||
product dimensions15 x 9 x 0.1 cm 30 g | product dimensions 8.5 x 5.3 x 0.1 cm 3 g | product dimensions - | product dimensions 13.2 x 9.8 x 13.2 cm 10 g |
Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1Scancom46% OffThree 500GB Data SIM - Uncapped 5G - Preloaded MONTHLY Until October 2025 - Plug & Play for Routers & Phones - Access to Three & Vodafone - Connects to the Strongest Signal available
Why we love it
500GB renewed monthly until 2025.
Effortless 4G/5G plug & play setup.
Optimized for multiple smart devices.
Main highlights- ZERO CONTRACTS - Benefit from our data services without the burden of contracts or recurring fees.
- VERSATILE TRIPLE CUT SIM - Our all-in-one sim card fits any Standard, Micro, and Nano size device.
- UNIVERSAL DEVICE COMPATIBILITY - Optimised for Smartphones, Tablets, Laptops, Mobile Wi-Fi Dongles, Routers, IoT Devices, Smart Meters, Vehicles, Drones, GPS Trackers, Smart Home Devices & Security Cameras.
- This item is tailored for business customers. If your order is not in the name of company / non profit registered at companies house or an Amazon business customer, by purchasing, you affirm your status as a self-employed individual.
- Sims cannot be ported/transferred, promotions are non-renewable, and support for pre-registered sims is available exclusively via email.
- MONTHLY DATA RENEWAL - 500GB Data monthly until 8th October 2025 for a one-off payment.
- EXCLUSIVE UK DATA-ONLY - This Sim card does not support calls, texts, or roaming.
- EFFORTLESS PLUG & PLAY – Enjoy seamless 4G and 5G connectivity with no initial setup required.
- DUAL NETWORK - Automatic access to both Three & Vodafone networks. Disclaimer - Coverage provided via MOCN, a multi-operator core network, in selected geographical areas. Please check coverage availability before purchase.
- DEDICATED SUPPORT - Gain peace of mind with our dedicated business customer support, ready to assist you whenever needed. Please reach us at support@scancom.co.uk with the sim number and order reference.
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9.6
2Wave Connect
Wave Connect Quad Network Data Only SIM card, Three, EE, O2, Vodafone, 4G LTE + 5G Prepaid, Activates On First Use, Includes UK, Ireland, EU, For Unlocked IoT Devices, Cameras (12GB | 12 Months)
Why we love it
Connects to all major UK networks.
Automatic top-up options available.
Includes 5G coverage and 10-year replacement.
Main highlights- WHY THIS SIM? Enjoy online access to view data consumption, add alerts and notifications when nearing your data allowance, and top-up manually or choose automatic top-ups with different data allowances available.
- WHO’S THIS FOR? This non-steered SIM card connects to all networks so is great for trail cameras, CCTV, surveillance, security, movement cameras, solar energy monitoring systems and wind turbines - although it will work with most devices.
- WHAT’S INCLUDED: A 3-in-1 SIM card with data to use across all major UK networks. The card includes standard/micro/nano sizes. This is data-only, no voice or text.
- TOP-UP ANYTIME: A choice of options to add more data based on your use. Downgrade or upgrade at any time. Select automatic refill to ensure you’re always connected.
- THE PLAN: Data only SIM card with 12GB valid for 365 days (not 12GB per month). Refill any time to reset the duration.
- HOW IT WORKS: Insert to use straight away, register online to view data use and top-up.
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9.4
33
Three Mobile Pay As You Go Mobile Broadband 24 GB data SIM
Why we love it
Long-lasting data validity.
Global data usage capability.
Free 5G network access.
Main highlights- Use data in 71 destinations – up to 12GB
- SIM fits any unlocked 3G, 4G and 5G device.
- Pre-loaded with 24GB of data that lasts up to 24 months.
- Access to our 5G network – at no extra cost.
Our ranking system
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Features
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Consumer Reviews
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Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
