Gym workout planners in Japan have space for localized features
Japan — Health & Fitness, for consumers. Niche: Gym Workout Planner.
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
- 456,644 ratings
- Revenue
- Low, against you
- 1 top-grossing
- Competition
- Low, in your favour
- 2 established in Japan
- Leading apps
- Fair, neither for nor against you
- 4.3★ average
How the score of 51 is made
score out of 100
- Demand88
447,100 ratings in the US and UK, 9,544 in Japan
- Revenue24
1 of the top 4 on a top-grossing chart in the last 30 days; 1 paid
- Room locally76
2 established apps in Japan (75+ ratings, scaled to the market’s size)
- Language gap0
Not checked in local search yet — counted as neutral (50) at most
- Incumbent weakness27
4.3 stars on average; 1 of 4 not updated in a year
- AI gap30
4 of the top 4 not built around AI
- Momentum—
History building since 19 Oct 2026 — counted as neutral (50) for now
Why this is an opening
Local demand for gym workout tracking is high with a demand score of 88. Only 1 app in the top results is generating significant local grossing revenue. The current top app in this market has 9544 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 |
|---|---|---|---|---|---|---|
| Muscle Booster Workout Tracker | 6,035 | 151,315 | 4.1 | Yes | Oct 2026 | AI feature |
| Fitness App: Gym Workout Plan | 3,509 | 36,718 | 4.7 | Yes | Oct 2026 | No AI |
| Gym Guide Pro workouts | 0 | 13 | 4 | No | Sept 2019 | 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
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
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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 | 55 | Not yet |
| Members | 55 | Not yet |
| Members | 55 | Not yet |
| Members | 55 | Not yet |
| Members | 55 | Not yet |
| Members | 54 | Not yet |
| Members | 54 | Not yet |
| Members | 53 | Not yet |
| Members | 53 | Not yet |
| Members | 52 | Not yet |
| Members | 52 | Not yet |
| Members | 52 | Not yet |
| Members | 52 | Not yet |
| Members | 52 | Not yet |
| Members | 51 | Not yet |
| Members | 51 | Not yet |
| Japan | 51 | Not yet |
| Members | 50 | Not yet |
| Members | 49 | Not yet |
| Members | 47 | Not yet |
| Members | 47 | Not yet |
| Members | 45 | Not yet |
| Members | 44 | Not yet |
| Members | 31 | 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.