Giffgaff vs O2: price, features and value comparison

We compare Giffgaff and O2 on price, features and value for money.

Network Provider

Giffgaff uses the O2 network for its mobile delivery.
O2 uses its own network infrastructure for its mobile delivery.

Giffgaff Features

  • Change or cancel you plan anytime.
  • Flexible plans.
  • Purchase a New or a Refurbished phone.
  • Goodybags.
  • 5G and 4G data.
  • EU Roaming.

O2 Features

  • SIM only deals, Pay monthly phones, Pay as you go.
  • 24-month, 12-month and 1-month contract.
  • Pay monthly phones available on New and Refurbished phones.
  • 5G.
  • EU Roaming.
  • Tethering.


There are some great deals from both Giffgaff and O2.


These are Goodybags offered by Giffgaff.

Get DealProviderPriceDataMinutes and TextContract
Get DealGiffgaff£6 2GBUnlimitedCancel anytime
Get DealGiffgaff£1015GB 20GBUnlimitedCancel anytime
Get DealGiffgaff£35UnlimitedUnlimitedCancel anytime

Get the Giffgaff plans, here: Giffgaff Plans.


Here are some deals from O2.

Get DealProviderPriceDataMinutes and TextContract
Get DealO2£1530GBUnlimited24 months
Get DealO2£22250GBUnlimited24 months
Get DealO2£33UnlimitedUnlimited12 months

Check out great deals from Vodafone, here: O2 Mobile Deals.


With a Giffgaff SIM, you can also cancel anytime.

O2 provides flexibility with their contracts at 24-months, 12-months and 1 month.


Giffgaff allows you to tether your data.

O2 allows you to tether your data.


You can purchase a phone with Giffgaff and O2 on a monthly plan.

Customer ratings

Giffgaff is rated 4.3 Stars out of 5 Stars, which is also ‘Excellent’.

On Trustpilot, O2 is rated 1.4 Stars out of 5 Stars, which is ‘Bad’.

It seems Giffgaff’s customers are happy whilst O2 needs to improve its customer satisfaction.


Both Giffgaff and O2 have some good deals and benefits. You can get a good SIM Only deal or a phone deal with both. It depends on your choice. You can find good deals with both. Although, Giffgaff customers seem to be more satisfied.

Go to Three and Giffgaff.

Giffgaff Deals O2 Deals
Go to Giffgaff DealsGo to O2 Deals

Additional Information

If you would like to read our review on VOXI Mobile, go here: VOXI Review: SIM Card Plans with Endless Social Media and Video.

If you are looking for home insurance, read our article: Home Insurance – Compare Cheap Quotes.

If you are interested, check out: Best Bank Accounts for Bad Credit.

If you are looking for a web domain, check out Google Domain, here: Google Domain.

If you are looking for advertise on the web, check out Google Ads, here: Google Ads.

Money Advice Service
For debt management and advice on how to pay for bills go here: Money Advice Service i