楽天Kobo - 電子書籍の読書アプリ App Store ranking & ratings history
楽天Kobo - 電子書籍の読書アプリ is a free iOS app in the Book category, published by Rakuten Kobo Inc. It was first released on Apr 18, 2013, 13 years ago. Its developer shipped 2 updates in the 90 days through Nov 13, 2026; the latest, version 10.9.0, came out on Sep 30, 2026.
楽天Kobo reached #35 in the App Store Top Free Books chart in Japan on Sep 10, 2026. In the last 30 days it was in the top 50 every day, with a best of #37 on Nov 6, 2026. It stood at #39 on Nov 13, 2026, down 2 places from a week earlier. In Japan it holds a 4.45 average across 57,876 ratings, 60 more than a week earlier.
Charts checked every day · no missing days in the record
Latest data: · updated every morning
楽天Kobo - 電子書籍の読書アプリ downloads and revenue in Japan · October 2026
Estimates for this country only, not worldwide
iPhone & iPad downloads
Japan · Oct 2026
iPhone & iPad revenue
Japan · Oct 2026
楽天Kobo - 電子書籍の読書アプリ ranking: Top Free Books, Japan, last 30 days
1 = top of the chart · best rank recorded each day
楽天Kobo - 電子書籍の読書アプリ App Store ranking history, GameQuant, data through Nov 13, 2026, https://gamequant.io/app/ios/627457804/%E6%A5%BD%E5%A4%A9kobo-%E9%9B%BB%E5%AD%90%E6%9B%B8%E7%B1%8D%E3%81%AE%E8%AA%AD%E6%9B%B8%E3%82%A2%E3%83%97%E3%83%AA
<iframe src="https://gamequant.io/embed/ios/627457804?country=jp&range=30" width="640" height="400" style="max-width:100%;border:0" loading="lazy" title="楽天Kobo - 電子書籍の読書アプリ: rank chart by GameQuant"></iframe><br><small>Source: <a href="https://gamequant.io/app/ios/627457804/%E6%A5%BD%E5%A4%A9kobo-%E9%9B%BB%E5%AD%90%E6%9B%B8%E7%B1%8D%E3%81%AE%E8%AA%AD%E6%9B%B8%E3%82%A2%E3%83%97%E3%83%AA">GameQuant</a></small>
Charts and individual figures are free to reuse under CC BY 4.0: credit GameQuant and link to this page. Embed shows the live chart with a range switch.
Rating distribution · Japan
share of all ratings · Nov 13, 2026
| 5 stars | 68% | |
|---|---|---|
| 4 stars | 18% | |
| 3 stars | 8% | |
| 2 stars | 2% | |
| 1 star | 4% |
楽天Kobo - 電子書籍の読書アプリ ranking by country
Top Free · Books · best rank on Nov 13, 2026
| Country | Rank | 7-day change | Best, 90 days | Ratings |
|---|---|---|---|---|
| Japan |
39 | down 2 | 35 · Sep 10 | 57,876 |
Every tracked country, every chart and category, and the full history are in the licensed dataset.
Request dataMore from Rakuten Kobo Inc.
Also in Book
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Also popular in Japan
Rank in Japan on Nov 13, 2026
