Oyster cards for visitors

Absolutely - all she needs is a bank debit card. It works by tapping - just the same as an oyster card. There is no need to register - Just remind her to "sign/tap out" at the end of her journey. I do this on a very regular basis - haven't encountered any problems at all. Enjoy your DD visit.

mcem as far as I'm aware that is correct, but I think it will be cheaper if she has an actual Oyster card. Sorry I can't be more positive as 'those of a certain age' like me have a Freedom Pass.

It can be a credit card, as well as a debit card but whichever it does needs to be 'Contactless', which some people have opted-out of.

It's a couple of years since I visited and found the registration and topping-up very simple. It's only today I read about this so thought I 'd check with the experts!
Will now double-check if one or other method has any discounts or advantages.
Many thanks!

Nine surely she only needs to 'tap out' on the DLR? I have seen no facilities for this on tube or bus.

... Other than to operate the exit barriers on tube of course.

mcem a contactless card - I call mine a "wave" card - is all that is needed. It costs the same as an Oyster card, and is the cheapest way of travelling in London.

Important to remember to touch in and out on the yellow reader.

swanny all the buses have yellow swipe readers, you just touch in once on a bus (no checking out required).

My cousin visited recently, I gave her my debit card to use because she didn't have a contactless card (and because I have a Freedom Pass). We travelled on the Tube from Hammersmith to Covent Garden, then caught a bus to Warren Street area, then back on the Underground to Embankment, walked along the river and across to Southwark, back on the District Line to Hammersmith. I checked a bit nervously - total cost was £6 and some change.

Thanks ladies. My advice about oyster cards was clearly out-of-date.
4 of them looking forward to a few days in London and (who knows why) the Celine Dion concert.