What gives KMyMoney an edge, at least where usability is concerned, is its familiar user interface. If your computing roots grew in the Microsoft Windows platform, then you no doubt have a working knowledge of Quicken and possibly MSMoney for tracking your finances and balancing your checkbook.
If you can use either one, you can transfer your existing records gracefully or start from scratch without learning how to use KMyMoney. If you are considering a choice among various Linux financial packages, take heart.
Even if you have no prior experience with this type of software, KMyMoney is a win-win solution. The interfaces used in most of those other Linux finance and banking tools are much more cumbersome. KMyMoney has a much lower learning curve.