Umsatz Mikro 2015 is written and maintained for the German finance and tax system - so it is German only. The English/International version can be found here.
Umsatz Mikro ist die kostenlose App Store Version von Umsatz
Umsatz is the only native German application for accounting and taxation and best of all - years of experience in developing easy to use applications went into the GUI - so everyone - really everyone will understand it.
Updated on Oct 05 2015