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Users unhappyIncumbents not updatedNot yet checked against local search

Car Parts Catalog Apps in Japan

Japan — Shopping, for consumers. Niche: Car Parts Catalog.

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

Our call

No call yet
50score
out of 100

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
Medium, neither for nor against you
48,302 ratings
Revenue
Low, against you
2 paid apps
Competition
Low, in your favour
0 established in Japan
Leading apps
Weak, in your favour
1.7★ average
How the score of 50 is made
50

score out of 100

  • Demand47

    48,302 ratings in the US and UK, 0 in Japan

  • Revenue10

    0 of the top 3 on a top-grossing chart in the last 30 days; 2 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 weakness100

    1.7 stars on average; 2 of 3 not updated in a year

  • AI gap30

    3 of the top 3 not built around AI

  • Momentum—

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

Why this is an opening

The local market shows high weakness with a weighted rating of 1.7. 100% of the top incumbents are stale, and 2 out of 3 top apps lack recent updates. Additionally, 3 top apps are non-native listings.

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
Car parts for Ford0101.8NoMay 2018No AI
Car Parts for Chrysler - ETK Spare Parts Diagrams021NoJun 2017No AI
AUTODOC – shop for car partsNot in this store048,2764.6NoOct 2026No AI

See all competitors, complaint themes and history.Get 30 days — €19 →

Is demand growing

New ratings each week in Japan, added up over the leading apps. A rating count only grows, so a week’s rise is the people who rated that week.

New ratings per week, Japan
  • Last 4 weeks
  • 4 weeks before
  • Earlier
Weekly trend for members

Members see the weekly trend.

Show as a table
WeekNew ratings
Members—

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

See what is here.Get 30 days — €19 →

What would kill this

Up to three things that would end this opening, each tied to the data.Get 30 days — €19 →

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
Members61Not yet
Members60Not yet
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Japan50Not yet
Members50Not yet
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Scored 2026-10-26 with score version 4. How the score works. Store data only: we do not estimate revenue or downloads.