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Users unhappyIncumbents not updatedNot yet checked against local search

TV cast app opening in Japan

Japan — Photo & Video, for consumers. Niche: TV Cast App.

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

Our call

No call yet
54score
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
48,309 ratings
Revenue
Low, against you
3 paid apps
Competition
Low, in your favour
1 established in Japan
Leading apps
Weak, in your favour
3.2★ average
How the score of 54 is made
54

score out of 100

  • Demand64

    48,166 ratings in the US and UK, 143 in Japan

  • Revenue15

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

  • Room locally88

    1 established app 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 weakness75

    3.2 stars on average; 1 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 incumbent weakness with a weakness score of 75 and a weighted average rating of 3.2. 50 percent of the top apps are stale, and 3 top apps are non-native. Local users only have 1 strong app option available.

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
Screen Mirroring+ App14114,0543.2NoJul 2026No AI
TV Cast Pro for Sony TV21,5161NoApr 2024No AI
TV Cast Pro for ChromecastNot in this store09,6804.3NoMay 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
Members64Not yet
Members55Not yet
Japan54Not yet
Members52Not yet
Members52Not yet
Members51Not yet
Members51Not yet
Members51Not yet
Members50Not yet
Members50Not yet
Members48Not yet
Members47Not yet
Members47Yes
Members46Yes
Members43Not yet
Members41Yes
Members37Yes
Members36Yes
Members35Yes
Members34Yes
Members33Yes
Members33Yes
Members31Yes
Members28Yes

See which markets score what.Get 30 days — €19 →

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