Your calendar, filling itself

That is up to you. Switch guest booking on — it arrives switched off — and a name and an email are enough: no account, no password, the booking is confirmed by email, and that same link is how they cancel. Leave it off and the client creates an account with a confirmed email address, and in exchange sees all their bookings in one place and cancels the ones they cannot make. Either way, they get the reminder by email the day before.

You decide whether to ask for a deposit, how much, and in which currency, and you write the transfer instructions your clients see. They transfer the money and upload the receipt; you look at it and approve or reject it from your dashboard. Until you approve it, the receipt shows as pending.

Your dashboard updates without a reload. If nobody is waiting on that day, the slot goes back on the public list immediately. If people are queued, the freed slot is emailed to the first few of them and held for half an hour: for that stretch it is offered to nobody else, and the first of them to take it keeps it. If none of them does, it goes back on the public list.

Yes. There is a widget to paste into your page, so clients book without leaving your site, and an ICS feed you subscribe to from Google Calendar, Outlook or your phone. The feed is read-only: appointments flow into your calendar, but what you put in Google does not block hours here.

Yes. Whoever turns up unbooked you enter by hand, with a name and no account, and they are filed at the time they arrived. And if you want air between two appointments, set a break between appointments in your schedule, and those minutes never reach whoever is booking.

The first 30 days are free, with everything included and no card. After that it is a flat monthly subscription: the same price whether you take ten appointments or two hundred, with no commission per booking or per deposit. If you decide not to continue, nothing is charged and your data stays where it is.