3D Anatomy Atlas in Japan
Japan — Medical, for consumers. Niche: 3D Anatomy Atlas.
Data from the week of 19 Oct 2026, refreshed every two weeks.
Our call
this week
Score 44/100 · why few pass 70
- For: 2 of the 3 established apps in local search don’t support Japanese.
See the other 2 reasons, what would have to be true and the build plan.
Get 30 days — €19or €9/monthAt a glance
- Demand
- High, in your favour
- 46,782 ratings here · 36,131 in the US and UK
- Revenue
- Medium, neither for nor against you
- 5 top-grossing
- Competition
- High, against you
- 3 established in local search
- Leading apps
- Strong, against you
- 4.8★ average
How the score of 44 is made
score out of 100
- Demand83
36,131 ratings in the US and UK, 46,782 in Japan
- Revenue54
5 of the top 10 on a top-grossing chart in the last 30 days; 2 paid
- Room locally25
3 established in Japan search (500+ ratings); 3 in the niche
- Language gap5
2 of the 3 established apps in Japan search don’t support Japanese
- Incumbent weakness12
4.8 stars on average; 3 of 10 not updated in a year; includes a review signal (members)
- AI gap30
10 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
2 of the top search results do not ship in the local language. Japan shows strong demand with 46720 ratings for the top local app. 3 established search results currently exist in this market.
What people in Japan see
3 of the 19 apps in the top 10 of these searches have an established following in Japan (500+ ratings). All of them are rated 4.0 or higher and were updated in the past year.
- Ships Japanese
- No Japanese
Shaded: an established following here. Showing 3 apps by name; members see all 10 ranks.
Show as a table
| Rank | “3d anatomy” | “解剖図” | “解剖学 3d” |
|---|---|---|---|
| 1 | 解剖学 - 3Dアトラス (1,351 ratings) | 解剖学 - 3Dアトラス (1,351 ratings) | 解剖学 - 3Dアトラス (1,351 ratings) |
| 2 | 3D Anatomy (5 ratings) | 筋肉系3D(解剖学) (113 ratings) | Members |
| 3 | Members | Members | Members |
| 4 | Members | Members | Members |
| 5 | Members | Members | Members |
| 6 | Members | Members | Members |
| 7 | Members | Members | Members |
| 8 | Members | Members | Members |
| 9 | Members | Members | Members |
| 10 | Members | Members | Members |
How strong the competition is
- Ships the local language
- Does not
- No update in a year
The shaded box is empty: no app here has 500+ ratings and under 4 stars.
Show as a table
| App | Ratings in Japan | Stars | Local language | Last update |
|---|---|---|---|---|
| Members | — | — | — | — |
| 解剖学 - 3Dアトラス | 1,351 | 4.3 | No | In the past year |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| 筋肉系3D(解剖学) | 113 | 3.7 | Yes | In the past year |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
| 3D Anatomy | 5 | 3.6 | No | In the past year |
| Members | — | — | — | — |
| Members | — | — | — | — |
| Members | — | — | — | — |
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 |
|---|---|---|---|---|---|---|
| Human Anatomy Atlas 2027 | 44,432 | 22,005 | 4.8 | Yes | Oct 2026 | No AI |
| Anatomy 3D Atlas | 1,351 | 3,291 | 4.3 | No | Sept 2026 | No AI |
| Complete Anatomy for iPhone | 92 | 3,994 | 4.4 | No | Oct 2026 | No AI |
MembersSee all competitors, complaint themes and history.
What users complain about
- App crashes and technical glitches4 reviews
Show as a table
| Complaint | Reviews |
|---|---|
| App crashes and technical glitches | 4 |
MembersSee every complaint and the reviews behind them.
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.
- App Store keywords in Japanesethe terms searched and which app tops eachMembers
- 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
- 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 | 57 | Yes |
| Members | 55 | Yes |
| Members | 55 | Yes |
| Members | 55 | Yes |
| Members | 54 | Yes |
| Members | 54 | Yes |
| Members | 52 | Yes |
| Members | 51 | Not yet |
| Members | 51 | Yes |
| Members | 50 | Yes |
| Members | 50 | Yes |
| Members | 50 | Not yet |
| Members | 49 | Yes |
| Members | 48 | Yes |
| Members | 47 | Yes |
| Members | 47 | Yes |
| Members | 46 | Yes |
| Members | 46 | Yes |
| Members | 46 | Yes |
| Members | 45 | Yes |
| Members | 45 | Yes |
| Japan | 44 | Yes |
| Members | 35 | Yes |
| Members | 32 | Yes |
Every competitor, complaint and market, and the build plan, for every opening.
Get 30 days — €19or €9/monthScored 2026-10-27 with score version 5. How the score works. Store data only: we do not estimate revenue or downloads.