Modded versions generally include the following "Super" features that are usually locked behind a subscription on sites like Duolingo Official :
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: Duolingo may detect unauthorized access to premium features, which could lead to a permanent ban of your learning progress and account. providing an uninterrupted learning flow.
: Allows you to attempt Legendary level-ups for skills without spending gems for each attempt. Download Duolingo Premium build 1342 Mod apk
: Removes all interstitial video and banner ads that normally appear between lessons, providing an uninterrupted learning flow.