Brain Training Puzzle Game in South Korea
South Korea — Games, for consumers. Niche: Brain Training Puzzle Game.
Data from the week of 19 Oct 2026, refreshed every two weeks.
Our call
this week
Score 31/100 · why few pass 70
We have not checked this against App Store search in South Korea yet, so we won’t call it. Checks run every day, highest-scoring openings first.
At a glance
- Demand
- Low, against you
- 105 ratings here · 62 in the US and UK
- Revenue
- Low, against you
- No chart revenue
- Competition
- Low, in your favour
- 1 established in South Korea
- Leading apps
- Fair, neither for nor against you
- 4.3★ average
How the score of 31 is made
score out of 100
- Demand34
62 ratings in the US and UK, 105 in South Korea
- Revenue0
0 of the top 3 on a top-grossing chart in the last 30 days; 0 paid
- Room locally88
1 established app in South Korea (19+ ratings, scaled to the market’s size)
- Language gap0
Not checked in local search yet — counted as neutral (50) at most
- Incumbent weakness12
4.3 stars on average in South Korea; 0 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 currently features 3 top apps, with the highest rating count reaching 105 ratings. There are 0 grossing apps and 0 paid apps among these leaders. All 3 top apps are non-native releases, showing room for focused offerings.
What people in South Korea 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 South Korea, ranked by their share of ratings here and in the United States and United Kingdom; stars in South Korea where it has them.
| App | Ratings in South Korea | Ratings US + UK | Stars | Korean | Last update | AI |
|---|---|---|---|---|---|---|
| 기억력의 왕 | 105 | 0 | 4.3 | Yes | Feb 2026 | No AI |
| Fit brains trainer. Math pairsNot in this store | 0 | 33 | 3.7 | No | Dec 2025 | No AI |
| Brain Flash - Mind TrainingNot in this store | 0 | 29 | 3.5 | No | Mar 2020 | No 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
- 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 | 37 | Not yet |
| Members | 37 | Not yet |
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| Members | 36 | Not yet |
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| Members | 32 | Not yet |
| Members | 32 | Not yet |
| Members | 31 | Not yet |
| South Korea | 31 | Not yet |
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.