Challenge Alarm Clock in South Korea
South Korea — Lifestyle, for consumers. Niche: Challenge Alarm Clock.
Data from the week of 19 Oct 2026, refreshed every two weeks.
Our call
- Against: Local search results feature 5 highly rated and established competitors out of 6 established apps.
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
- 108,969 ratings here · 272,272 in the US and UK
- Revenue
- Low, against you
- 1 top-grossing
- Competition
- High, against you
- 6 established in local search
- Leading apps
- Strong, against you
- 4.7★ average
How the score of 29 is made
score out of 100
- Demand94
272,272 ratings in the US and UK, 108,969 in South Korea
- Revenue28
1 of the top 2 on a top-grossing chart in the last 30 days; 0 paid
- Room locally0
6 established in South Korea search (28+ ratings); 2 in the niche
- Language gap1
1 of the 6 established apps in South Korea search doesn’t support Korean
- Incumbent weakness0
4.7 stars on average in South Korea; 0 of 2 not updated in a year
- AI gap30
2 of the top 2 not built around AI
- Momentum—
History building since 19 Oct 2026 — counted as neutral (50) for now
Why this is an opening
The leading Challenge Alarm Clock apps hold 272,272 ratings in the reference markets.
What people in South Korea see
6 of the 22 apps in the top 10 of these searches have an established following in South Korea (28+ ratings). 5 of them are rated 4.0 or higher and were updated in the past year.
- Ships Korean
- No Korean
Shaded: an established following here. Showing 3 apps by name; members see all 10 ranks.
Show as a table
| Rank | “math alarm clock” | “미션 알람” | “알람” |
|---|---|---|---|
| 1 | Math Alarm Clock - Wake up! (4 ratings) | 알라미 - 무조건 깨워주는 알람 시계 (106,310 ratings) | 알라미 - 무조건 깨워주는 알람 시계 (106,310 ratings) |
| 2 | 알라미 - 무조건 깨워주는 알람 시계 (106,310 ratings) | 슈퍼알람 - 강력한 알람 시계, 알림 (1,416 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 opening is the shaded box: apps people use (28+ ratings) but rate under 4 stars.
Show as a table
| App | Ratings in South Korea | Stars | Local language | Last update |
|---|---|---|---|---|
| 알라미 - 무조건 깨워주는 알람 시계 | 106,310 | 4.7 | Yes | In the past year |
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| 슈퍼알람 - 강력한 알람 시계, 알림 | 1,416 | 4.5 | Yes | In the past year |
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| Math Alarm Clock - Wake up! | 4 | 4.5 | Yes | Over a year ago |
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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 |
|---|---|---|---|---|---|---|
| Alarmy - Loud alarm clock | 106,310 | 272,100 | 4.7 | Yes | Oct 2026 | No AI |
| Alarm & Timer | 2,659 | 172 | 4.4 | Yes | Oct 2026 | 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.
- First versionthe features to build first, each traced to a complaint or a gapMembers
- Leave out of version onewhat not to spend time on yetMembers
- Efforthow long it takes one experienced builderMembers
- App Store keywords in Koreanthe terms searched, more to try, a name and a subtitleMembers
- 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 | 55 | Yes |
| Members | 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 | 49 | Not yet |
| Members | 49 | Not yet |
| Members | 49 | Not yet |
| Members | 49 | Not yet |
| Members | 49 | Not yet |
| Members | 49 | Not yet |
| Members | 48 | Not yet |
| Members | 48 | Not yet |
| Members | 48 | Not yet |
| Members | 47 | Not yet |
| Members | 47 | Not yet |
| Members | 39 | Yes |
| South Korea | 29 | Yes |
| Members | 29 | Yes |
| Members | 29 | Yes |
Every competitor, complaint and market, and the build plan, for every opening.
Get 30 days — €19or €9/monthScored 2026-10-28 with score version 5. How the score works. Store data only: we do not estimate revenue or downloads.