I think they are helpful for some things, for example I see a few bank accounts in my Barclays app, saves me having to use lots of apps for the same thing. But for having to move money about automatically it always bothers me, you are relying on an app to keep you in control, personally I would do it manually if need be and know something is done.
But I personally don’t need to do it manually, every month my credit card is paid from my bank account, I just see no need to move that into a pot. I’m aware for some people they like the visual thing of having everything separate and if it works for them great. I just see no value in moving money from one place to another to pay a bill I’m paying anyway.