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The top 20 popular Libraries & Demo Apps for Android in Japan with NO ads

Google Play has 2,522 Libraries & Demo apps, the 31st largest app category. 344 of them have at least 50,000 installs. 1% are paid, and the average rating is 4.0. Ranked by popularity in Japan. Together these 20 apps got 2.4K installs in the last 30 days. BRZ-Portal got the most installs in the last 30 days: 770. Install counts come from Google Play. Last updated on 2026-11-10.
#
App
Installs, 30 days
vs 30 days before
Last 12 weeks
Total installs
Rating
On Play
1
الديار
محمد العالم · Libraries & Demo
9
−85%
12K
–
6 years
2
숭의여자대학교 도서관
LibTech Co. · Libraries & Demo
1
−92%
7.8K
–
13 years
3
OctoWareTN Mobile
easy-soft GmbH Dresden · Libraries & Demo
0
−100%
38
–
2 years
4
InstaLauncher
Pro Gamma S.p.A. · Libraries & Demo
5
−29%
1.5K
–
9 years
5
BRZ-Portal
Bremer Rechenzentrum GmbH · Libraries & Demo
770
−39%
45K
–
2 years
6
DecaPocket
Decalog · Libraries & Demo
520
−21%
3.6K
–
13 months
7
APM Müllman
GeMoS GmbH · Libraries & Demo
320
−35%
71K
–
8 years
8
Quotas
Quotas GmbH Hamburg · Libraries & Demo
20
−87%
9.8K
–
13 years
9
H4ckW1thM3
Mortens · Libraries & Demo
0
22
–
2 years
10
대전가톨릭대학교 도서관
LibTech Co. · Libraries & Demo
1
240
–
8 years
11
Salavat-ı Şerifler
İslami Uygulamalar · Libraries & Demo
170
−15%
49K
–
12 years
12
reMedia App Tester
reMedia · Libraries & Demo
0
5
–
7 years
13
مكتبة محبرة
Sarieh Serdar · Libraries & Demo
1
−50%
600
–
3 years
14
Unistellar
Unistellar · Libraries & Demo
510
−49%
120K
3.6
6 years
15
서울예술대학교
LibTech Co. · Libraries & Demo
6
−83%
7.1K
–
10 years
16
adbrix 2.0 Tool
(주)아이지에이웍스 · Libraries & Demo
0
3
–
11 months
17
Transit Mobile
CHSOFT AG · Libraries & Demo
13
−85%
11K
–
12 years
18
Send to Framebuffer
Sven Killig · Libraries & Demo
0
23K
–
15 years
19
BioTag+
biocv.gmbh · Libraries & Demo
0
27
–
21 months
20
STEM Suite
fischertechnik · Libraries & Demo
29
−59%
1.5K
–
2 years