Top Productivity apps in Japan 🇯🇵
As of June 21, 2026, ChatGPT is the #1 Productivity app in Japan on Android.
AndroidiOS
#App / PublisherCategoryIntel
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What changed
Movement between the previous day and June 21, 2026.
New entrants
Risers
Spaced#183 → #160
- Flip Clock: World Clock
#196 → #174
- Calendar
#132 → #111
- AI Chatbot - Nova
#64 → #46
- HypeCut - AI Video Generator
#84 → #66
Fallers
- stac: Focus Timer, Build World
#147 → #196
- PDF Reader-All Document Viewer
#156 → #195
- All File Reader
#116 → #140
- Simple PDF: Editor & Viewer
#92 → #115
Okta Verify#141 → #164
Methodology
Rankings are pulled daily from the Android store charts for Japan. We snapshot the top entries each day and compute day-over-day change relative to the prior snapshot. See our full methodology for data sources, refresh cadences, and quality filters.
Frequently asked questions
What is the #1 Productivity app in Japan on Android?
As of June 21, 2026, ChatGPT is the #1 Productivity app in Japan on Android, based on the public Android chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the Android charts for Japan every day and computes day-over-day movement. The "Current" page always reflects the latest snapshot; dated archive pages preserve each day's top 50.
Where does Marlvel's ranking data come from?
Rankings are pulled from the public Android store charts for Japan. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.