The Pro version, available for a nominal one-time fee, offers the following advantages over the free version:
First, users are no longer subject to AD restrictions. Second, the number of words that can be stored in collections is unlimited, as is the number of words displayed in the Recents tab.
Third, voice output is enabled for example sentences and word forms.
Fourth, all custom web resources and collections can be used.
Fifth, the Ai chat is not limited and additionally uses an advanced chat model.
In addition to all the Pro advantages just mentioned, the Pro offline version allows users to download the entire dictionary and use it offline.