StudyCast（スタキャス）勉強タイマーで集中力が継続！ App Store ranking & ratings history
StudyCast（スタキャス）勉強タイマーで集中力が継続！ is a free iOS app in the Education category, published by Benesse Corporation. It was first released on Dec 2, 2019, 6 years ago. Its developer shipped 6 updates in the 90 days through Nov 13, 2026; the latest, version 4.2.0, came out on Nov 13, 2026.
StudyCast（スタキャス）勉強タイマーで集中力が継続！ was in the top 50 of the App Store Top Free Education chart in Japan on 25 of the last 30 days, peaking at #4 on Nov 13, 2026. It stood at #4 on Nov 13, 2026, up 35 places from a week earlier. In Japan it holds a 4.75 average across 13,801 ratings, 18 more than a week earlier.
Its sharpest climb in the 90 days took it from #39 to #4 between Nov 6 and Nov 13, 2026, on the day version 4.2.0 came out. Its sharpest fall went from #11 to #28 between Aug 19 and Aug 23, 2026.
Charts checked every day · no missing days in the record
Latest data: · updated every morning
StudyCast（スタキャス）勉強タイマーで集中力が継続！ 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
StudyCast（スタキャス）勉強タイマーで集中力が継続！ ranking: Top Free Education, Japan, last 30 days
1 = top of the chart · best rank recorded each day
StudyCast（スタキャス）勉強タイマーで集中力が継続！ App Store ranking history, GameQuant, data through Nov 13, 2026, https://gamequant.io/app/ios/1474049638/studycast-%E3%82%B9%E3%82%BF%E3%82%AD%E3%83%A3%E3%82%B9-%E5%8B%89%E5%BC%B7%E3%82%BF%E3%82%A4%E3%83%9E%E3%83%BC%E3%81%A7%E9%9B%86%E4%B8%AD%E5%8A%9B%E3%81%8C%E7%B6%99%E7%B6%9A
<iframe src="https://gamequant.io/embed/ios/1474049638?country=jp&range=30" width="640" height="400" style="max-width:100%;border:0" loading="lazy" title="StudyCast（スタキャス）勉強タイマーで集中力が継続！: rank chart by GameQuant"></iframe><br><small>Source: <a href="https://gamequant.io/app/ios/1474049638/studycast-%E3%82%B9%E3%82%BF%E3%82%AD%E3%83%A3%E3%82%B9-%E5%8B%89%E5%BC%B7%E3%82%BF%E3%82%A4%E3%83%9E%E3%83%BC%E3%81%A7%E9%9B%86%E4%B8%AD%E5%8A%9B%E3%81%8C%E7%B6%99%E7%B6%9A">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 | 87% | |
|---|---|---|
| 4 stars | 7% | |
| 3 stars | 2% | |
| 2 stars | 1% | |
| 1 star | 2% |
StudyCast（スタキャス）勉強タイマーで集中力が継続！ ranking by country
Top Free · Education · best rank on Nov 13, 2026
| Country | Rank | 7-day change | Best, 90 days | Ratings |
|---|---|---|---|---|
| Japan |
4 | up 35 | 4 · Nov 13 | 13,801 |
Every tracked country, every chart and category, and the full history are in the licensed dataset.
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<a href="https://gamequant.io/app/ios/1474049638/studycast-%E3%82%B9%E3%82%BF%E3%82%AD%E3%83%A3%E3%82%B9-%E5%8B%89%E5%BC%B7%E3%82%BF%E3%82%A4%E3%83%9E%E3%83%BC%E3%81%A7%E9%9B%86%E4%B8%AD%E5%8A%9B%E3%81%8C%E7%B6%99%E7%B6%9A"><img src="https://gamequant.io/badge/ios/1474049638.svg" alt="StudyCast（スタキャス）勉強タイマーで集中力が継続！ App Store ranking on GameQuant" width="262" height="64"></a>
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Rank in Japan on Nov 13, 2026
