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Incumbents not updatedNot yet checked against local search

Anatomy Reference in Japan

Japan — Education, for consumers. Niche: Anatomy Reference App.

Data from the week of 19 Oct 2026, refreshed every two weeks.

Our call

No call yet
#1,130of 18,985
this week

Score 16/100 · why few pass 70

We have not checked this against App Store search in Japan yet, so we won’t call it. Checks run every day, highest-scoring openings first.

At a glance

Demand
Low, against you
0 ratings here · 1 in the US and UK
Revenue
Low, against you
No chart revenue
Competition
Low, in your favour
0 established in Japan
Leading apps
Strong, against you
5★ average
How the score of 16 is made
16

score out of 100

  • Demand3

    1 ratings in the US and UK, 0 in Japan

  • Revenue0

    0 of the top 1 on a top-grossing chart in the last 30 days; 0 paid

  • Room locally100

    0 established apps in Japan (75+ ratings, scaled to the market’s size)

  • Language gap50

    Not checked in local search yet — counted as neutral (50) at most

  • Incumbent weakness50

    5 stars on average in the United States; 1 of 1 not updated in a year

  • AI gap30

    1 of the top 1 not built around AI

  • Momentum—

    History building since 19 Oct 2026 — counted as neutral (50) for now

Why this is an opening

The existing incumbent is stagnant, with a stale share of 100 percent across the tracked offering. Local competition is minimal, showing 0 strong local apps. There are also 0 grossing apps currently serving this market space.

Not yet checked against local App Store search. Checks run every day, highest-scoring openings first.

How strong the competition is

The leading apps in this niche

The niche’s apps available in Japan, ranked by their share of ratings here and in the United States and United Kingdom; stars in Japan where it has them.

AppRatings in JapanRatings US + UKStarsJapaneseLast updateAI
body anatomy guideNot in this store015NoDec 2023No AI

MembersSee all competitors, complaint themes and history.

What users complain about

Too few low-star reviews to group into complaints yet.

If you build it

The smallest app that answers what users complain about and what the leaders leave out. Each feature says where it comes from.

  • What apps here chargethe leading apps' in-app prices, once we have read themMembers

What would kill this

MembersUp to three things that would end this opening, each tied to the data.

The same niche in other markets

Score by market
  • This market
  • Other markets

✓ checked against local App Store search. Other markets are named for members.

Show as a table
MarketScoreChecked against local search
Members26Not yet
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Japan16Not yet
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Every competitor, complaint and market, and the build plan, for every opening.

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Scored 2026-10-27 with score version 5. How the score works. Store data only: we do not estimate revenue or downloads.