I recently hired a car via an app for a specific time frame ending at 1800. I then thought I'd just give myself an extra 30 mins so that I could get the last bus back to my house. So I a few days before I extended the hire time to 1830 using the app (everything is done in the app, even locking and unlocking the car). I returned the car at 1823 and was told by an app message and by a phone call that I'd returned it late. I said I didn't think I was late as I had booked it til 1830. Anyway they took a £30 late return charge from my credit card for lateness. When I got the invoice it showed my booking was til 1830 so I complained. They said if I'd extended my reservation by 30 mins I would have received an email confirming that but I didn't know that, if I had I'd have realised the extra 30 mins hadn't been logged. They said without the email there was no proof I'd extended the booking. When I asked how come the invoice said the booking was until 1830 then, I just got some blah blah blah about technical reasons. I don't know if I'm £30 out of pocket because of something to do with my autism or to do with my age (77) or lack of know-how re using an app or if I'm being ripped off. Whatever, it seems I have to just accept things like this.