Niche Explorer
Is this idea worth building?
See the apps you’d compete with, how crowded the niche is and what launched in it lately. Real store data, no invented download numbers.
Verdict for “SUM”
Crowded
Strong, charting rivals already own this. Only enter with something very different.
OpenCompetitiveCrowded
25 matched apps currently sit in the top 10 charts — niche looks saturated with strong incumbents (saturation 88/100).
36competitors found
33in the charts
4.5avg rating, top apps
15launched in 30 days
Who you’d compete with
Top 10 by chart rank and ratingsNew in this niche
15 launched in the last 30 days
Target Sum Chain
katsuya nozaki
Loop Sum
MASATO MIYAZAWA
Sum Strike: Maths Football
Thomas Kramer Nielsen
Sum Sprint!
Arthur de Rijke
Mathris: Sum & Match
Zoltan Laki
Kakuro | Cross Sum Puzzle
欢 林
Exact Sum Vault
宁夏墨源商贸有限公司
Killer Sudoku: Sum Puzzle
NKKtech Global Pte. Ltd.
TenSweep: Sum to 10 Puzzle
Nguyen Dinh Chung
SUM//12
Iago Collarte
Sum & Match: Number Puzzle
Sangam Kumar
Sum Blocks
Chaim Lebowits
Where the opening is
- Had 36 description(s) but no strong recurring theme patterns; manual review recommended.
What to do next
- Only proceed with a sharp wedge — me-too launches will struggle here.
- Review these strong incumbents before pivoting: Roblox, Minecraft: Play with Friends!, Free Fire x NARUTO SHIPPUDEN.
- Consider an adjacent keyword or sub-audience with weaker chart presence.
- Use Launches (/launches?q=SUM) to see if new launches still enter this space.
How we scored this
Competitors+40
Chart presence+28.8
Ratings+19.2
Update pace0
Saturation88/100
About the data
- Match set has ratings and chart signals; score is based on stored crawler data only.
Open below 40, competitive 40–69, crowded from 70 or with 3+ top-10 charting rivals. We never estimate downloads or revenue. Generated 1 Oct 2026.