Mobile document scanner apps in Japan present an AI opening
Japan — Business, for consumers. Niche: Mobile Document Scanner.
Data from the week of 19 Oct 2026, refreshed every two weeks.
Our call
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
- High, in your favour
- 4,639,479 ratings
- Revenue
- Medium, neither for nor against you
- 3 top-grossing
- Competition
- High, against you
- 7 established in Japan
- Leading apps
- Strong, against you
- 4.7★ average
How the score of 54 is made
score out of 100
- Demand100
4,290,060 ratings in the US and UK, 349,419 in Japan
- Revenue47
3 of the top 10 on a top-grossing chart in the last 30 days; 0 paid
- Room locally16
7 established apps in Japan (32+ ratings, scaled to the market’s size)
- Language gap1
Not checked in local search yet — counted as neutral (50) at most
- Incumbent weakness47
4.7 stars on average; 4 of 10 not updated in a year; includes a review signal (members)
- AI gap90
9 of the top 10 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 is currently served by older products, with 4 out of 10 top apps being stale. Legacy tools lack modern automated features, leaving an AI gap score of 90. Additionally, 80% of reviewed apps suffer from low star ratings.
What people in Japan see
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.
| App | Ratings in Japan | Ratings US + UK | Stars | Japanese | Last update | AI |
|---|---|---|---|---|---|---|
| Adobe Scan: PDF & Doc Scanner | 320,665 | 1,798,033 | 4.7 | Yes | Oct 2026 | AI feature |
| iScanner - Escáner PDF | 23,428 | 0 | 4.4 | Yes | Oct 2026 | AI feature |
| TurboScan™: document scanner | 1,628 | 106,973 | 4.7 | Yes | Apr 2026 | No AI |
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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.
- Last 4 weeks
- 4 weeks before
- Earlier
Members see the weekly trend.
Show as a table
| Week | New ratings |
|---|---|
| Members | — |
What users complain about
- Unexpected or expensive weekly charges16 reviews
Show as a table
| Complaint | Reviews |
|---|---|
| Unexpected or expensive weekly charges | 16 |
See every complaint and the reviews behind them.Get 30 days — €19 →
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
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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
- This market
- Other markets
✓ checked against local App Store search. Other markets are named for members.
Show as a table
| Market | Score | Checked against local search |
|---|---|---|
| Members | 60 | Not yet |
| Members | 60 | Not yet |
| Members | 57 | Not yet |
| Members | 57 | Yes |
| Members | 57 | Not yet |
| Members | 55 | Not yet |
| Members | 54 | Not yet |
| Japan | 54 | Not yet |
| Members | 53 | Not yet |
| Members | 52 | Not yet |
| Members | 51 | Not yet |
| Members | 50 | Not yet |
| Members | 48 | Not yet |
| Members | 48 | Not yet |
| Members | 48 | Not yet |
| Members | 47 | Not yet |
| Members | 47 | Not yet |
| Members | 47 | Not yet |
| Members | 45 | Not yet |
| Members | 44 | Not yet |
| Members | 43 | Not yet |
| Members | 43 | Not yet |
| Members | 43 | Not yet |
| Members | 42 | Yes |
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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.