Top Developer Tools — Top Grossing apps in Japan 🇯🇵
As of May 30, 2026, Prompt 3 is the #1 Developer Tools — Top Grossing app in Japan on iOS.
#App / PublisherCategoryIntel
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Spider Proxy南京诸葛文化传媒有限公司
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What changed
Movement between the previous day and May 30, 2026.
New entrants
ZIGCAM#100
Risers
- Runestone Text Editor
#88 → #21
- SMS Verification Number GetSMS
#53 → #15
- Code App
#47 → #13
- Smart Chatbot & AI Assistant
#28 → #5
- XML Viewer & XML Editor
#36 → #17
Fallers
- WebSSH - Sysadmin Toolbox
#14 → #30
- Agentfy: AI Agent Monitor
#15 → #31
- Xogot: Godot for iPad & iPhone
#11 → #26
- Inspect Browser
#18 → #33
- O-KAM Pro
#19 → #34
Methodology
Rankings are pulled daily from the iOS 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 Developer Tools — Top Grossing app in Japan on iOS?
As of May 30, 2026, Prompt 3 is the #1 Developer Tools — Top Grossing app in Japan on iOS, based on the public iOS chart rankings Marlvel tracks daily.
How often are these rankings updated?
Marlvel snapshots the iOS 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 iOS store charts for Japan. See our methodology for data sources, refresh cadence, and the quality filters applied before a ranking is indexed.