Stale incumbents in Belgium's sleep sound niche present a builder opening
Belgium — Health & Fitness, for consumers. Niche: Sleep Sounds & White Noise.
Data from the week of 19 Oct 2026, refreshed weekly.
Our call
We have not checked this against App Store search in Belgium yet, so we won’t call it. Checks run every day, highest-scoring openings first.
At a glance
- Demand
- High, in your favour
- 254,683 ratings
- Revenue
- Low, against you
- 1 top-grossing
- Competition
- Low, in your favour
- 1 established in Belgium
- Leading apps
- Strong, against you
- 4.6★ average
How the score of 50 is made
score out of 100
- Demand74
254,366 ratings in the US and UK, 317 in Belgium
- Revenue26
1 of the top 4 on a top-grossing chart in the last 30 days; 1 paid
- Room locally88
1 established app in Belgium (34+ ratings, scaled to the market’s size)
- Language gap2
Not checked in local search yet — counted as neutral (50) at most
- Incumbent weakness25
4.6 stars on average; 2 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
Half of the top apps in Belgium are stale, with 2 of the 4 top apps remaining unupdated for a long time. Local demand reaches 74 while competition scores 88, leaving room for a modern alternative. The top app locally has only 317 ratings.
What people in Belgium 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 Belgium, ranked by their share of ratings here and in the United States and United Kingdom; stars in Belgium where it has them.
| App | Ratings in Belgium | Ratings US + UK | Stars | Dutch or French | Last update | AI |
|---|---|---|---|---|---|---|
| White Noise Deep Sleep Sounds | 292 | 229,479 | 4.7 | Yes | Sept 2026 | No AI |
| Fan Noise Sleep Sounds | 15 | 24,163 | 4.6 | Yes | Oct 2020 | No AI |
| Sleeping Sounds, Relax & Sleep | 8 | 246 | 4.5 | No | Jan 2026 | No AI |
See all competitors, complaint themes and history.Get 30 days — €19 →
Is demand growing
New ratings each week in Belgium, 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
See what is here.Get 30 days — €19 →
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 | 54 | Not yet |
| Members | 53 | Not yet |
| Members | 52 | Not yet |
| Members | 52 | Not yet |
| Members | 51 | Not yet |
| Members | 51 | Not yet |
| Members | 51 | Not yet |
| Members | 51 | Not yet |
| Members | 51 | Not yet |
| Members | 50 | Not yet |
| Belgium | 50 | Not yet |
| Members | 50 | Not yet |
| Members | 50 | Not yet |
| Members | 50 | Not yet |
| Members | 50 | Not yet |
| Members | 50 | Not yet |
| Members | 49 | Not yet |
| Members | 49 | Not yet |
| Members | 48 | Not yet |
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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.