Android Apps > Books & Reference > Paid

The top 20 popular Paid Books & Reference Apps for Android in Japan

Google Play has 60,264 Books & Reference apps, the 14th largest app category. 10,611 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 6.9K installs in the last 30 days. Moon+ Reader Pro got the most installs in the last 30 days: 6.9K. Install counts come from Google Play. Last updated on 2026-11-02.
#
App
Installs, 30 days
vs 30 days before
Last 12 weeks
Total installs
Rating
On Play
1
Moon+ Reader Pro
Moon+ · Books & Reference
6.9K
−15%
1.5M
4.3
15 years
2
WolframAlpha Classic
Wolfram Group LLC · Books & Reference
19
6×
1.3M
4.3
16 years
3
Bible (King James Version)
BlueWorld SamsungApps · Books & Reference
0
73
–
3 years
4
Crystal Guide® Pocket Edition
M.Stevens · Books & Reference
20
−60%
26K
4.6
15 years
5
Большой Энциклопедич. Словарь
Inbook Co., Ltd. · Books & Reference
0
170
–
12 years
6
Tamil English Translator Pro
GK Apps · Books & Reference
0
410
–
10 years
7
新漢語林MX　（大修館書店）漢和辞典（辞書）
CodeDynamix · Books & Reference
0
460
–
15 years
8
5 Little Monkeys Collection #1
Oceanhouse Media, Inc. · Books & Reference
1
±0%
150
–
10 years
9
BNE - Butterflies of N. Europe
BestCustomApps ApS · Books & Reference
0
8
–
3 years
10
e48m_Test_DF_02
GPDC UX Tester · Books & Reference
0
1
–
6 years
11
Birds of Britain and Europe
Antiopa · Books & Reference
10
−17%
3K
–
9 years
12
Birds of Europe & Palearctic
mydigitalearth.com · Books & Reference
1
−50%
280
–
10 years
13
プチ・ロワイヤル仏和（第5版）・和仏（第3版）辞典
LogoVista · Books & Reference
15
−42%
1.7K
–
5 years
14
EnEV
Dexheimer Software GmbH · Books & Reference
0
98
–
8 years
15
eGuide to Birds of East Africa
mydigitalearth.com · Books & Reference
11
−56%
3.6K
4.4
13 years
16
What Was I Scared Of?
Oceanhouse Media, Inc. · Books & Reference
0
8.6K
4.4
15 years
17
The Dark Side of Ecumenism
Christ Bearer Ministry · Books & Reference
0
1
–
2 years
18
Phau Ntawv Saib Caij Nyoog
Phau Ntawv Caij Nyoog 100 Xyoo · Books & Reference
0
−100%
7
–
10 months
19
Б-6. Промбезопасность. Тест
cMate · Books & Reference
0
1
–
4 years
20
Gospel Testimonies（Audio App）
臺灣福音書房（TWGBR） · Books & Reference
1
43
–
14 years