Gengou
Gengou Summary
Gengou is a mobile iOS app in Productivity by Masayuki Akamatsu. Released in Feb 2019 (7 years ago). It has 5.00 ratings with a 4.00★ (good) average. Based on AppGoblin estimates, it reaches roughly 8.00 monthly active users . Store metadata: updated Aug 26, 2025.
Store info: Last updated on App Store on Aug 26, 2025 .
4★
Ratings: 5.00
Screenshots
App Description
"Gengou" is a quick reference of the Japanese era system. This application has functions as below.
- Era and Year Search
- Period picker
- Era picker
- Christian era year picker
- Japanese era year picker
- Show this year button
- Texts can be shown in Japanese or English independently of the default language setting.
- Application badge can show this year number in the Japanese era or the Christian era.
The Japanese era system identifies a year by the combination of the era name (Gengou or Nengou) and the year number within the era. For example, A.D. 2001 is Heisei 13. Please note that two Gengou schemes were used in Parallel from 1331 to 1392 during Nanboku-chō period.
This application would be very useful if you are working with the governments, municipal offices and/or certain companies in Japan.