key4 Hypothekenvergleich
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key4 is built so that comparing and closing happen in one flow: customers see offers from several lenders side by side and can select the preferred option and handle it digitally right away.
The platform is aimed at customers who would rather decide for themselves than be advised. The comparison shows interest rate, terms and additional costs, and details on each offer can be pulled up. key4 is free for customers; UBS and its partners pay a platform fee.