tetoru（テトル） App Store ranking & ratings history
tetoru（テトル） is a free iOS app in the Education category, published by Benesse Corporation. It was first released on 30 Jan 2022, 4 years ago. Its developer shipped 5 updates in the 90 days to 4 Nov 2026; the latest, version 4.19.0, came out on 4 Nov 2026.
tetoru（テトル） was in the top 50 of the App Store Top Free Education chart in Japan on 26 of the last 30 days, reaching #9 on 2 days, most recently on 23 Oct 2026. It stood at #31 on 4 Nov 2026, down 11 places from a week earlier. In Japan it holds a 4.59 average across 38,088 ratings, 301 more than a week earlier.
Its sharpest climb in the 90 days took it from #57 on 18 Oct 2026 to #9 on 22 Oct 2026, 3 days after version 4.18.0 came out. Its sharpest fall went from #19 on 9 Oct 2026 to #103 on 12 Oct 2026.
Charts checked every day · no missing days in the record
Latest data: · updated every morning
tetoru（テトル） downloads and revenue in Japan · September 2026
Estimates for this country only, not worldwide
iPhone & iPad downloads
Japan · Sep 2026
iPhone & iPad revenue
Japan · Sep 2026
tetoru（テトル） ranking: Top Free Education, Japan, last 30 days
1 = top of the chart · best rank recorded each day
Source: GameQuant, https://gamequant.io/app/ios/1595724949/tetoru
<iframe src="https://gamequant.io/embed/ios/1595724949?country=jp&range=30" width="640" height="400" style="max-width:100%;border:0" loading="lazy" title="tetoru（テトル）: rank chart by GameQuant"></iframe><br><small>Source: <a href="https://gamequant.io/app/ios/1595724949/tetoru">GameQuant</a></small>
Free to use in articles, reports and posts with this credit and a link to this page. Embed shows the live chart with a range switch.
Rating distribution · Japan
share of all ratings · 4 Nov 2026
| 5 stars | 74% | |
|---|---|---|
| 4 stars | 15% | |
| 3 stars | 7% | |
| 2 stars | 1% | |
| 1 star | 2% |
tetoru（テトル） ranking by country
Top Free · Education · best rank on 4 Nov 2026
| Country | Rank | 7-day change | Best, 90 days | Ratings |
|---|---|---|---|---|
| Japan |
31 | down 11 | 9 · 23 Oct | 38,088 |
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Also in Education
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Also popular in Japan
Rank in Japan on 4 Nov 2026
