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Giffgaff Data Only Sim Card Comparison - November 2025

5 Best Giffgaff Data Only Sim Card In the UK

1
Best Choice
9.9Exceptional
2
Best Value
9.8Exceptional
3
9.6Exceptional
4
9.3Excellent
5
9.2Excellent
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Model

giffgaff O2 4G Multi Sim Card For PAYG - UNLIMITED CALLS, TEXTS & DATA - get £5 BONUS CALL CREDIT with your first Top up! Fits ALL devices eg. iPhone 5S/6/6S/7 Plus/8 Plus/SE/X/, GALAXY S7/S7 Edge/S8
Model
giffgaff Nano/Micro/Standard SIM – lowcost 4G/5G monthly bundles, perfect for phones or travel WiFi devices
Model
SIM Card 2G 3G 4G – Giffgaff O2 Multi Size Standard Micro Nano £5 Bonus Credit After You Top-Up £10 First Time. Calls Texts Data. Pay As You Go iPhones Android Phones Tablets Watches GPS Trackers.
Model
Giffgaff Nano/Micro/Standard SIM. Top Tariff Offers Unlimited Calls, Text, Data - Just Pay As You Go - no Contract. Multi Size, Fits All Devices. £5 Bonus Credit When You Top up £10 First Time.
Model
SMARTY Unlimited Data only SIM. 1 month plan, No contract, EU Roaming

Brand

Giffgaff
Brand
Giffgaff
Brand
Giffgaff
Brand
Giffgaff
Brand
SMARTY

Reviews

10,468 reviews
Reviews
21,736 reviews
Reviews
3,072 reviews
Reviews
12 reviews
Reviews
2,976 reviews

Features

Easy installation

8.6
Easy installation
8.6
Easy installation
7.9
Easy installation
7.6
Easy installation
7.4

Worth the money

9.1
Worth the money
8.6
Worth the money
8.6
Worth the money
8.1
Worth the money
7.9

Simple to use

9.1
Simple to use
8.6
Simple to use
7.7
Simple to use
7.4
Simple to use
7.2

Tech Specs

product dimensions

14.5 x 8.4 x 0.1 cm 10 g
product dimensions
-
product dimensions
-
product dimensions
-
product dimensions
9 x 7.2 x 0.1 cm 10 g

Available On

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
    1
    giffgaff O2 4G Multi Sim Card For PAYG - UNLIMITED CALLS, TEXTS & DATA - get £5 BONUS CALL CREDIT with your first Top up! Fits ALL devices eg. iPhone 5S/6/6S/7 Plus/8 Plus/SE/X/, GALAXY S7/S7 Edge/S8
    Giffgaff

    giffgaff O2 4G Multi Sim Card For PAYG - UNLIMITED CALLS, TEXTS & DATA - get £5 BONUS CALL CREDIT with your first Top up! Fits ALL devices eg. iPhone 5S/6/6S/7 Plus/8 Plus/SE/X/, GALAXY S7/S7 Edge/S8

    9.1 worth the money
    9.1 Simple to use
    8.6 Easy installation

    Why we love it

    3 in 1 SIM card compatibility
    Bundled monthly plans for convenience
    Pay as you go option for flexibility
  • 9.8
    2
    giffgaff Nano/Micro/Standard SIM – lowcost 4G/5G monthly bundles, perfect for phones or travel WiFi devices
    Giffgaff
    71% Off

    giffgaff Nano/Micro/Standard SIM – lowcost 4G/5G monthly bundles, perfect for phones or travel WiFi devices

    8.6 Easy installation
    8.6 worth the money
    8.6 Simple to use

    Why we love it

    Fits all phone types.
    Great for travel use.
    Free calls and texts.
  • 9.6
    3
    Giffgaff
    12% Off

    SIM Card 2G 3G 4G – Giffgaff O2 Multi Size Standard Micro Nano £5 Bonus Credit After You Top-Up £10 First Time. Calls Texts Data. Pay As You Go iPhones Android Phones Tablets Watches GPS Trackers.

    8.6 worth the money
    7.9 Easy installation
    7.7 Simple to use

    Why we love it

    No contract required.
    Easy top-up system.
    Wide device compatibility.

Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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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.
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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.