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危険物取扱者乙4 一問一答 icon

危険物取扱者乙4 一問一答 Downloads & Revenue危険物取扱者乙4 一問一答 · App Store

危険物取扱者乙4 一問一答 is #93 in Education Free in Japan and charting in 1 of 30 countries we track.

Updated 11 Nov 2026 · rankings refresh through the day

Developeryuth inc.
CategoryEducation
PriceFree
Released
Rating★ 4.6 (24k)
Version5.0.0
Age rating4+
First seen by us 25 Sep 2026

危険物取扱者乙4 一問一答 update history & changes

Last change · 4 events since 11 Apr 2017Full timeline ↓
Full timeline · 3 events in the last 12 months
  1. 📈
    危険物取扱者乙4 一問一答 entered the top 100
    Top Free · Education · JP
  2. 🆕
    危険物取扱者乙4 一問一答 first spotted by AppInsider
    #9 in Top Free · Education · Japan
  3. 🆕
    危険物取扱者乙4 一問一答 released on the App Store

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Rating
4.6 ★
24k ratings
Measured
Best rank now
#93
Education Free
Measured
New ratings a week
74
▼ -27% vs the 2 weeks before
Measured

危険物取扱者乙4 一問一答 on the App Store

App details

App ID
1224919085
Publisher
yuth inc.
On the store since
Apr 2017
9 years on the store
Minimum OS
iOS 12.0+
iPhone 5s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
JA
Size
64 MB
Also listed in
Business