In London, I used Ocado Zoom, which was trialling in my area. Tied into overall Ocado account, no tips etc in the app, target in an hour if available, otherwise i could pick an hour slot in the day. Worked wonderfully for me for top ups around my large shop every 2-14 days. I don't have that now where I am and I am less likely to use one of the random startups (even if in the area, which I'm not sure about). So the brand was important for me in choosing