The 3.6 version of Ebbinghaus for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The most popular versions among the application users are 3.6 and 3.3.
This Mac application is an intellectual property of Christian Kienle. Ebbinghaus for Mac belongs to Games. The unique ID for this application's bundle is com.Ebbinghaus.Ebbinghaus. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
An easy to use interface:
Organize your cards in decks, folders and smart decks. When selecting a deck, its cards will be shown in a table. Each card has a progress indicator so that you see your overall performance at a glance.
Smart decks, LaTeX formulas and exporting to iPhoto
Smart decks allow you to specify a set of rules that determine which cards the deck will contain.
You may want to check out more software for Mac, such as Bingo Caller, FlopZoom or Most Popular Solitaire trial, which might be related to Ebbinghaus.