Top Books & Reference apps in Japan 🇯🇵
As of May 21, 2026, Amazon Kindle: Reading App is the #1 Books & Reference app in Japan on Android.
AndroidiOS
#App / PublisherCategoryIntel
- 1
Book - 21—
- 31
Books - 4
Book - 5
- 6
Referencia - 7
Books - 813
Reference - 91
Book - 101
Reference - 112
ブック - 122—
- 131
教育 - 141
Books - 153
Books - 163
小説家になろうビューア - 公式アプリでWeb小説が読める株式会社ヒナプロジェクト
ブック - 17—
- 184—
- 193—
- 201
Reference - 212
Book - 222
ブック - 231
ブック - 242
ブック - 251—
- 261常用漢字筆順辞典 [広告付き]
NOWPRODUCTION CO.,LTD.
— - 27
- 28
Reference - 29
Reference - 304
Books - 311
Reference - 324—
- 336—
- 343ソニーの電子書籍Reader™ 漫画・小説、動画・音声対応！
Sony Music Entertainment (Japan) Inc.
— - 353
辞書／辞典／その他 - 363—
- 374—
- 38
辞書／辞典／その他 - 394
Reference - 404紀伊國屋書店Kinoppy｜電子書籍/小説/コミック
Kinokuniya Company Ltd
— - 412—
- 425Litrad: Fantasy Romance Novels
MOBOREADER TECHNOLOGY USA CO LTD
— - 435MoboReader: Good Web Novel
MOBOREADER TECHNOLOGY USA CO LTD
— - 442—
- 455Bakisah - Webnovels Romance
MOBOREADER TECHNOLOGY USA CO LTD
— - 461—
- 477
- 481
Reference - 497
- 501
Books
What changed
Movement between the previous day and May 21, 2026.
New entrants
- bit六法 弁護士制作監修
#154
- Japandix
#156
- SC-53D 取扱説明書
#157
Risers
- 筆順辞典
#199 → #140
- SO-52C 取扱説明書
#200 → #153
- 狩猟免許例題集
#184 → #138
- Weblio古語辞典-古文単語、例文を多数掲載
#196 → #151
- SC-53C 取扱説明書
#189 → #149
Fallers
- Video Downloader UHD
#101 → #127
- ModMatrix - Mods for Minecraft
#97 → #117
Galatea: Books & Audiobooks#91 → #110
- Readest
#119 → #132
- Mod Pokecraft for MCPE
#104 → #116
Methodology
Rankings are pulled daily from the Android store charts for Japan. We snapshot the top entries each day and compute day-over-day change relative to the prior snapshot. See our full methodology for data sources, refresh cadences, and quality filters.