The app can be downloaded either from the Mac App Store or directly from the developer. Both versions ship with an identical feature set. The versions do not differ and are given equal priority by the developer. You can download the basic version for free from both stores and then pay a $9 one-time fee in the app if you like it. The basic version will allow you to test any export format with an unlimited number of contacts.
Easy update handling · No registration key required
$9 one-time In-App purchase + Family Sharing, free updates, no subscription, no ads
The price depends on your region + sales taxes and is displayed in the respective store. All purchases are one-time purchases (future updates included, no additional fees, no subscription).