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CPAP Therapy Companion in Japan

Japan — Medical, for consumers. Niche: CPAP Therapy Companion.

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

Our call

No call yet
#4,106of 20,065
this week

Score 40/100 · 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
Medium, neither for nor against you
0 ratings here · 84,266 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
4.8★ average
How the score of 40 is made
40

score out of 100

  • Demand49

    84,266 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 weakness0

    4.8 stars on average in the United States; 0 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 leading product outside Japan has 84266 ratings in the United States, but local adoption remains limited with 0 local ratings recorded for the top app. There are 0 well-rated local apps meeting the 75 rating threshold. This leaves an unmet need for dedicated CPAP support tailored to the Japanese market.

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
NightOwl CompanionNot in this store084,2664.8NoFeb 2026No 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
Members44Not yet
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Members41Not yet
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Japan40Not yet
Members40Not yet
Members40Not yet
Members40Not yet
Members36Not yet
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Members29Not yet
Members27Not yet
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Members27Not yet

Every competitor, complaint and market, and the build plan, for every opening.

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Scored 2026-10-28 with score version 5. How the score works. Store data only: we do not estimate revenue or downloads.