4.0
May 20, 2026 · seen Sep 27, 2026
赤シート英単語 - 語源で覚える英単語 is an education app by KoyamaAtsushi with 10,000+ downloads (about 18K estimated). +286 installs in the last 7 days. Released Mar 30, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “[Completely Free & Ad-Free] English Vocabulary App for Learning Through Etymology Red Sheet Vocabulary is a learning app that allows you to efficiently memorize TOEIC and Eiken (English Proficiency Test) vocabulary by learning its etymology. All features are completely free and ad-free. There are absolutely no…”