The top 20 popular Paid Books & Reference Apps for Android in Japan
Google Play has 60,703 Books & Reference apps, the 14th largest app category. 10,623 of them have at least 50,000 installs. 3% are paid, and the average rating is 4.4. Ranked by popularity in Japan. Together these 20 apps got 66 installs in the last 30 days. 読書尚友(青空文庫ビューア) got the most installs in the last 30 days: 41. Install counts come from Google Play.
Last updated on 2026-11-09.
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App
Installs, 30 days
vs 30 days before
Last 12 weeks
Total installs
On Play
