Looks useful and neat, but remember kids: if you're not paying for it, you're the product.
Some of their competition: http://linxo.com (used it for 5 years now), http://bankin.com (used once, preferred linxo).
And for completeness: in the US the competition includes Level Money and BillGuard.
For the German market there are https://www.centralway.com/ and http://www.epost.de/privatkunden/epostapp/banking-app-kontop...