Top Tools apps in Japan 🇯🇵
As of May 15, 2026, QuickDoc: PDF Reader Tools is the #1 Tools app in Japan on Android.
AndroidiOS
#App / PublisherCategoryIntel
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Utilities - 7—
- 8PowerPDF: Read, Sign, Convert
深圳优蕴秀科技有限公司
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Utilities - 151
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Utilities - 191
ユーティリティ - 201
Reference - 211—
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- 301Quick Photo & File Recovery
深圳优蕴秀科技有限公司
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Utilities
What changed
Movement between the previous day and May 15, 2026.
New entrants
- Quick Clean Plus
#200
Risers
- All Document Reader: PDF/Word
#142 → #133
- QR & Barcode Reader
#195 → #192
- Simple Diary - journal w/ lock
#196 → #193
- Docu Reader - PDF Reader
#197 → #194
- Wiro Browser: Fast & Private
#198 → #195
Fallers
- All Documents Reader:PDF/Word
#170 → #199
セキュリティOne#118 → #142
- Habits Now
#121 → #140
- Vizo Lite
#146 → #165
- Files by Google
#95 → #103
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.