Founded in 2013, this developer has established a strong presence in the mobile app market with 19 published applications. Since launching their first app "発音とタッチで覚えるTOEIC1500単語" from 12 December 2013 in the Education category.
Their portfolio has garnered over 20 reviews across all apps, maintaining an impressive average rating of 1.8 / 5 stars.
Notable releases include:
- 🥇"すごい英単語帳！中学-高校-大学入試全範囲対応" - Their most reviewed app with 12 reviews and a 4.2-star rating, released in 25 November 2017 in the App Store.
- 🥈"漢字検定４級〜８級 読みがなクイズ" (Education) - 3 reviews with 4.7 stars, released in 01 March 2014 in the App Store.
- 🥉"Quiz to learn Japanese Kanji" (Education) - 1 review with 5 stars, their debut app from 28 August 2023 in the App Store.
Apps developed by Keiko Yukawa
すごい英単語帳！中学-高校-大学入試全範囲対応
by Keiko Yukawa
Education
Free
With Ads
漢字検定４級〜８級 読みがなクイズ
by Keiko Yukawa
Education
Free
With Ads
Quiz to learn Japanese Kanji
by Keiko Yukawa
Education
Free
With Ads
日本史ざっくり暗記！「重要用語と年号」学習アプリ
by Keiko Yukawa
Education
Free
With Ads
ことわざ学習クイズ６００問
by Keiko Yukawa
Education
Free
With Ads
毎日１０問！四字熟語トレーニング
by Keiko Yukawa
Education
Free
With Ads
毎日１０問！語彙力アップクイズ６００問
by Keiko Yukawa
Education
Free
With Ads
発音とタッチで覚える中学英単語1200
by Keiko Yukawa
Education
Free
With Ads
発音とタッチで覚えるTOEIC1500単語
by Keiko Yukawa
Education
Free
With Ads
発音とタッチで覚える英検２級英単語
by Keiko Yukawa
Education
Free
With Ads
発音と四択で覚える高校英単語
by Keiko Yukawa
Education
Free
With Ads
漢字検定２級〜３級 読みがなクイズ
by Keiko Yukawa
Education
Free
With Ads
読めたらスゴい「超」難読漢字クイズ1350問！
by Keiko Yukawa
Education
Free
With Ads
高校英単語1300問チャレンジ - 発音機能付き英語学習
by Keiko Yukawa
Education
Free
With Ads
発音と四択で覚える中学英単語
by Keiko Yukawa
Education
Free
漢字検定１級・準１級 読みがなクイズ
by Keiko Yukawa
Education
Free
With Ads
発音とタッチで覚える英検３級英単語「500問」
by Keiko Yukawa
Education
Free
発音とタッチで覚えるイタリア単語1400!
by Keiko Yukawa
Education
Free
With Ads
英熟語600問チャレンジ - 発音機能付き英語学習
by Keiko Yukawa
Education
Free
With Ads