Ideal application? I think this is an exaggeration. Everywhere has its own nuances. I personally need to control my crypto transactions and transfers to standard banks. This is not always convenient to do using large crypto exchanges. But there is an application that helps you integrate several financial instruments in one place. Here's the link for you -
https://nonbank.io/ I've been using this for about six months and I'm very happy with how it works. However, you still need to conduct a short test period.