I have had to reinstall the app 4 times. In that time the app has told me I was £30 in credit but when I charged my car it took money from my account instead of the credit I had on the app. After standing in the rain for 10 minutes trying to get the charger to work I gave up and told them to refund my £30. It took weeks but they finally did. Then a few weeks later I got an email telling me there had been an "anomaly" and everything was fine now. I downloaded the app and logged in to see my account was now £51 in debt. For an organisation of this size and repute their system is shockingly poor