Top Developer Tools — Top Paid apps in Japan 🇯🇵
As of May 20, 2026, Muxy is the #1 Developer Tools — Top Paid app in Japan on iOS.
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#App / PublisherCategoryIntel
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eBook Studio: Create & Publish株式会社キイロ乃カモ
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RenPyLinter武汉小强科技有限责任公司
Para desarrolladores - 322
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Utvecklarverktyg - 3628
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開発ツール - 382
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開発ツール
What changed
Movement between the previous day and May 20, 2026.
New entrants
Risers
- SSH Term X
#17 → #2
- Cookie Editor For Safari
#18 → #14
- Hexer — Hex File Viewer
#19 → #15
- Scarlet
#20 → #16
- QuickIssue - Write issues fast
#21 → #17
Fallers
- AirCodum
#8 → #36
- RenPyLinter
#7 → #31
- Termix Pro: SSH & SFTP Client
#6 → #21
Assembly Lab: 8086 NASM IDE#51 → #57
Html Editor Plus#56 → #62
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 Paid app in Japan on iOS?
As of May 20, 2026, Muxy is the #1 Developer Tools — Top Paid 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.