If the App stops working then please continue your journey on the website, or come back to try the App later. The App is synchronised with the website, so you should be able to continue your shop as usual. In most cases, if the website is down, the app will not work. Please follow any guidance on the website or try again later.
If you encounter a problem with the app – please let us know through the 'Tell us what you think' button on the homescreen.