Admittedly, the first device is a little time consuming. In particular, the creation of your own letter paper. But if everything is set up times, then everything runs almost automatically bill writing, monitor incoming payments and recorded, online banking and PayPal -. Everything runs smoothly with few clicks. And if you use it for a while, you want anything else. Obtained at your fingertips all sorts of evaluations and tax forms. EÜR? - No Problem! In addition, you get the opportunity to add-on modules with costs to book it. Especially for small business owners (eg §19 exempt from VAT) extends the basic program but wholeheartedly. The main functions are grouped under favorites and you've got everything you need in the field of view. Of course there are alternative providers, but which are in my opinion much more complicated, and it remains for me WISO My office the no. 1!