Giffgaff review

Giffgaff is a low-priced mobile provider offering a range of great-value Sim deals and a variety of phones. How did its customers rate it?

Before signing up for a new phone deal, read our review of Giffgaff to see how it did in our see how it did in our customer satisfaction survey of mobile network providers.

Discover which mobile network providers impressed their customers most in our latest survey, which reveals the best and worst mobile networks. 

Is Giffgaff any good?

• 'I can change the tariff I want every month depending on my needs. Brilliant price, too. Good network coverage.'
• 'Their service has been unfailingly good. Their prices have barely risen for years. It has been a no-brainer. Great company.'

Giffgaff mobile provider review

Customer score: 79% (joint 3rd out of 15). Which? members can also read our full review, including how its customers rated it for key factors, such as customer service and network reliability.

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What network does Giffgaff use?

Giffgaff is a virtual provider, which means it uses another provider's infrastructure – in this case, the O2 network. It offers 4G and 5G coverage.

How good is Giffgaff mobile coverage?

You can check the network quality where you live by using our interactive mobile network coverage map. Simply enter your postcode into the map and it will tell you how good O2's signal is in your area, as well as comparing it with the other providers.

Giffgaff Sim-only deals

Giffgaff offers one-month rolling or 18-month contracts, all with unlimited calls and texts. View a selection of Giffgaff deals below and click 'Show More' to browse.

Other Giffgaff deals and incentives

Alongside rolling monthly Sim-only contracts and PAYG offerings, Giffgaff has also launched what it calls 'Good Contracts' – 18-month Sim-only deals – which are its first contract of this type. 

Data options range from £8 for 6GB of data, to £25 for unlimited data, or there are medium data deals such as £12 for 50GB. All deals come with unlimited calls and texts, and 5GB of free EU roaming. The contracts are flexible, so you can increase or decrease the data included without needing to haggle or switch plans, and changing the amount won't reset the contract. 

You can also buy a phone from Giffgaff – again, this works in a different way from normal. You buy an unlocked, Sim-free handset that you pay for on a monthly basis through a finance deal, and combine this with a Sim of your choice. Because the phone is unlocked, you're free to switch to a deal from another provider at any time.

Compare the best Giffgaff Sim-only deals and see how much you could save.

Does Giffgaff increase its prices each year?

Because Giffgaff offers rolling 30-day Sim-only contracts, customers are not hit by costly inflation-based mid-contract price increases. Before the end of the month, you will be able to check what the price to renew is. 

If it does increase or is too expensive, you can simply switch to a different network with no penalty.

Alternatively, its 'Good Contracts' commit to not increasing prices for the duration, as explained above. 

For more tips on how to avoid costly inflation-based price increases, read our guide to 10 ways to save money on your mobile phone bill.

Does Giffgaff include free data roaming?

Yes, all Giffgaff Sim plans come with 5GB of free EU roaming. 

However, always check to see if the country you’re travelling to is covered before you leave. Some countries you may expect to be included, such as Switzerland, Monaco or Turkey, are not. Use the Giffgaff roaming rate finder to see how much roaming might cost. 

It may be cheaper to buy a travel eSim for your trip, rather than relying on data add-ons or PAYG. Find out how to do this and what’s available in our guide to the best cheap eSims for mobile roaming abroad.

For more details and tips for roaming, read how to save money on mobile roaming charges.

Giffgaff stores

Giffgaff is an online-only provider and doesn't have any of its own shops. If you need any help or advice, then you need to check the FAQs or forums on the Giffgaff website.

Find out how other providers fared in our guide to the best and worst mobile networks. 

Recommendations you can trust

Which? is independent – we work for you, the consumer, so you can be sure that our recommendations are only influenced by our test and survey results. We're not swayed by third parties and we don't accept freebies from product manufacturers or retailers. We buy all the products that we test ourselves, so our advice helps you to make the right choice first time and avoid costly mistakes.