Microsoft Teams Climbs 58 Spots in Japan's Top Free Apps

Overview

On October 15, 2026, the Japan App Store witnessed significant movements in the Overall apps category. Notable climbers and new entries reshaped the App Store charts, highlighting changing user preferences and emerging trends in iOS apps.

Top Climbers

This week, several apps made impressive gains in their rankings:

• Microsoft Teams: Climbed from #80 to #22 (+58 positions)
• Google Authenticator: Moved from #51 to #14 (+37 positions)
• 詐欺対策 by NTTタウンページ: Rose from #54 to #17 (+37 positions)
• Microsoft Authenticator: Jumped from #40 to #12 (+28 positions)
• ゆうちょ通帳アプリ-銀行 アプリ: Ascended from #32 to #11 (+21 positions)

New Entries

This week also saw the debut of a new contender in the charts:

• Jフェス: Entered at #7, marking a strong start.

Top Performers

Several apps continue to dominate the top positions:

• Bump（旧Zenly）: Holds steady at #1
• setlog: Remains at #2
• ChatGPT: Positioned at #3
• Google Gemini: Ranked #4
• マイナアプリ（旧マイナポータルアプリ）: At #5

Notable Drops

Conversely, some apps faced declines in their rankings:

• Yondo Todoリストをロック画面に。シンプルタスク管理: Dropped from #8 to #21 (-13 positions)
• U-NEXT - 映画やドラマ、アニメなどの動画が見放題: Fell from #13 to #26 (-13 positions)
• Gmail - Google のメール: Slipped from #19 to #29 (-10 positions)
• TikTok Lite: Decreased from #11 to #19 (-8 positions)
• Google Chrome - ウェブブラウザ: Dropped from #20 to #28 (-8 positions)

The shifts in the Japan App Store chart rankings reflect evolving user interests and highlight the competitive nature of the Overall apps landscape. Developers should keep an eye on these trends to better understand market dynamics and user engagement.