I've noticed that a lot of the actual Bank apps now let you connect to other banks - so you can see everything in one app (I guess to try and make you stay in

I've noticed that a lot of the actual Bank apps now let you connect to other banks - so you can see everything in one app (I guess to try and make you stay in HSBC app for instance, rather than going and opening Halifax and Monzo - although if they all offer it I don't see the need...)