A large-scale study in the US [1] showed that over 42% of the population may experience difficulties in comprehending moderately dense prose.
The Hindi Grammar Complexity Checker App studies the grammatical structure of each sentence in your Hindi text, and identifies elements that may cause such difficulties.
The parser is highly optimised to run entirely offline on the CPU of your mobile device.
The underlying grammatical parser can identify several unique features of Indian languages, and largely follows Noam Chomsky's linguistic frameworks.
The problem requires an interdisciplinary Cognitive Science approach, incorporating elements from Linguistics, Compiler Design, Symbolic AI, and Cognitive Psychology.