KOYU Inc.

3 apps tracked in the index, spread across 1 category.

Profile · 3 apps tracked

Apps tracked: 3
Total ratings: 85
Median rating: 4.60
First listing: 23 Jul 2019

Portfolio dossier

A full-portfolio read across all 3 tracked apps — maintenance cadence, reach, localization and how old the catalogue is. Computed live from public listing metadata; downloads, revenue and retention are not visible to us and are not estimated.

First listing

23 Jul 2019

Latest release

28 Feb 2023

Updated in last year

67%

Median languages

1

On record boards

2

Median app size

86 MB

Maintenance cadence

When each app was last updated — the clearest signal of whether a portfolio is actively maintained or quietly abandoned.

Updated ≤ 90 days2

Within a year0

Stale over 1 year1

When the catalogue launched

Release year across the portfolio — how old the catalogue is, and whether the publisher still ships new apps.

20192023

Publishing behaviour

Portfolio

Spread across 1 category. Bar length shows each category’s share of observed ratings; the app count beside it exposes where volume and audience diverge.

Education 3 apps · 100%

Largest apps	Category	Ratings	Rating	Last checked
中学受験算数究極の立体＜切断＞	Education	63	4.5	10 d
中学受験算数究極の立体＜展開＞	Education	22	4.7	10 d
ソトシルクラス(花まる学習会)	Education	—	—	7 d

Observations

01
The portfolio holds 3 apps across 1 category, with Education the largest cluster.
03
Median app rating across the set is 4.60, ranging 4.46–4.73 over the 2 rated listings on this page.

Catalogue

Apps by KOYU Inc.

Showing 1–3 of 3 · 100 / page

App	Category	Ratings	Rating	Last checked
中学受験算数究極の立体＜切断＞	Education	63	4.5	10 d
中学受験算数究極の立体＜展開＞	Education	22	4.7	10 d
ソトシルクラス(花まる学習会)	Education	—	—	7 d