Top up Giff Gaff UK mobiles online

Use On Top Up to instantly buy credit for your Pay As You Go Giff Gaff UK mobile phones. Our system supports all major mobile networks including Now Mobile UK top ups, O2 UK top ups and Vectone UK top ups. You can add multiple phones per account, even ones on different networks, allowing you to easily topup all your phones from one website.

Choose your country & enter your Giff Gaff UK phone number below to start

Online Giff Gaff UK top ups made easy

Enter number

Enter number

Buy top up

Buy top up

Enjoy

Enjoy

Why use On Top Up for your Giff Gaff UK credit?

With On Top Up, you can instantly add credit to your Giff Gaff UK mobile phone account. Not only that, but you can also set up scheduled auto top ups*, to ensure you never run out of credit in the future. You can also add multiple mobile phones, on different networks, to your account, to enable you to top up your whole family's phones whenever needed.

*Note: Auto top ups are only available on selected mobile networks.

On Top Up also support these networks