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35

magnetic ball catch for top of door

Skip it

Soft demand (-43.8% this quarter) — this niche doesn't clear our bar today.

Market size 5Growth 3Conversion 61Competition 25Returns 36Price range 73Avg price 78Brand share 29Review moat 62Quality gap 70

Avg price

Great$16.17

avg listing price — sweet spot $15–$100

Price range

Good$5.82–$39.52

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,030.06

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.3%

search→purchase rate — share of searches ending in a sale

Returns

Okay4.1%

return rate — above 5% kills the launch gate

Brand share

Okay87%

top-5 brand share — brands hold most of the demand

Competition

Bad70%

top-5 click share — a locked-up shelf

Market size

Bad$20K

$20K/yr · 24K searches

Growth

Bad-43.8%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, magnetic ball catch for top of door is a $20K/yr Amazon United States market (24K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jan–Aug–Nov–Dec. Verdict: Skip it — 35/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

magnetic ball catch for top of door market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$24K–$32K
units × avg price
Conversion rate
5.3%
Avg BSR
#67
Page quality
0%
Prime
100%
Sponsored
88%
Out of stock
5.1%
Avg brand age
40 months
Avg seller age
150 days

Competition & brand share

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

52

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

9%

  • JQK26%
  • Tonitrui25%
  • MODTION15%
  • Mousike14%
  • PRIME-LINE7%
  • Precision Lock4%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 64 weeks — -43.8% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Black Friday '25Holiday '25Spike '26Prime Day '26MayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Aug, Nov, Dec · busiest ÷ quietest = 7.0×

Top magnetic ball catch for top of door search terms

  • magnetic ball catch for top of door9K/yr
  • magnetic ball catch5K/yr
  • magnetic ball catch replacement5K/yr
  • magnetic door catch ball catch replacement2K/yr
  • builder brigade magnetic door catch2K/yr
  • ball catch replacement magnetic491/yr
All search terms

Top magnetic ball catch for top of door products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$1K10%$2K15%$3K20%$4K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about magnetic ball catch for top of door

What buyers praise and complain about, mined from review topics.

What buyers love

Assembly/Installation24%

“Great installation”

Magnetic Strength/Adsorption13%

“The Magnet is powerful”

Noise Level11%

“helps eliminate any remaining noise”

Quality-Overall8%

“Good quality, easy to install”

Value For Money5%

“Well worth the price”

Ease Of Use5%

“-easy to open”

Locking Mechanism4%

“this has really helped keep everything secure”

Advertised Vs Actual Product4%

“Works as advertised”

Efficiency4%

“Functional”

Strength3%

“I loved them as they allowed me to set the exact amount of strength”

What buyers complain about

Magnetic Strength/Adsorption19%

“Magnet strength isn't as strong as I had hoped for”

Noise Level19%

“not silent,”

Strength11%

“feels flimsy”

Value For Money6%

“Overpriced”

Functionality-Overall5%

“That didn't work”

Ease Of Use3%

“push hard to close”

Locking Mechanism2%

“The door doesn't hold at all”

Assembly/Installation2%

“Takes a little bit of know-how to install”

Size-Overall1%

“The diameter was not the same as what I had”

Advertised Vs Actual Product1%

“Did not work as advertised”

Top return reasons

Magnetic Strength/Adsorption29%
Size-Overall27%
Compatibility-Overall9%
Functionality-Overall7%
Noise Level4%
Color4%
Advertised Vs Actual Product4%
Defective Material/Parts4%
Assembly/Installation3%
Mechanism Issues2%

Common questions

Is magnetic ball catch for top of door profitable to sell on Amazon United States?
The niche generates $20K/yr across 16 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -43.8%. Flapen's verdict: Skip it (35/100).
How competitive is the magnetic ball catch for top of door niche?
10 brands and 52 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in magnetic ball catch for top of door?
Top complaints mined from reviews: Magnetic Strength/Adsorption, Noise Level, Strength. The return rate is 4.1%.
When does demand for magnetic ball catch for top of door peak?
Demand peaks in Jan–Aug–Nov–Dec; the busiest month runs 7.0× the quietest.
What does it cost to enter the magnetic ball catch for top of door niche?
Listings span $5.82–$39.52; the average listing price is $16.17 (sweet spot $15–$100). The average incumbent carries 1,030 reviews — the moat a new listing must climb.