IOL 2025
IOL
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Archived App (Last seen on 5 Aug 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
The International Linguistics Olympiad (IOL) is one of the twelve international science Olympiads designed for high school students. Established in 2003, the IOL challenges students to apply logical thinking, problem-solving, and creativity to decode linguistic puzzles from various languages around the world. Unlike many other competitions, no prior knowledge of specific languages or linguistics is required. Instead, students analyze unfamiliar linguistic structures, including syntax, phonology, semantics, and writing systems, relying on their ability to recognize patterns and solve complex problems.
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What's New in IOL 2025
4.0
July 22, 2025
update iOS UI button
