Is heart lock profitable to sell on Amazon United States?

The niche generates $52K/yr across 57 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -12.6%. Flapen's verdict: Skip it (47/100).

How competitive is the heart lock niche?

33 brands and 46 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 46% of demand.

What do buyers complain about in heart lock?

Top complaints mined from reviews: Size-Overall, Locking Mechanism, Quality-Overall. The return rate is 2.4%.

When does demand for heart lock peak?

Demand peaks in Feb; the busiest month runs 2.1× the quietest.

What does it cost to enter the heart lock niche?

Listings span $4.75–$15.69; the average listing price is $7.60 (sweet spot $15–$100). The average incumbent carries 534 reviews — the moat a new listing must climb.

heart lock

Skip it

Prices mostly outside the sweet spot ($4.75–$15.69) — this niche doesn't clear our bar today.

Brand share

Great46%

top-5 brand share — no brand owns this niche

Competition

Great32%

top-5 click share — an open shelf

Review moat

Good534.23

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.4%

return rate — above 5% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.4%

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

Avg price

Bad$7.60

avg listing price — sweet spot $15–$100

Growth

Bad-12.6%

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

Market size

Bad$52K

$52K/yr · 198K searches

Price range

Bad$4.75–$15.69

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

According to Flapen's Amazon United States niche tracking, heart lock is a $52K/yr Amazon United States market (198K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Feb. Verdict: Skip it — 47/100.

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

heart lock market data

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $46K–$61K; units × avg price
Conversion rate: 3.4%
Avg BSR: #452
Page quality: 0%
Prime: 81%
Sponsored: 88%
Out of stock: 9.9%
Avg brand age: 38 months
Avg seller age: 187 days

Competition & brand share

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

Brands

33 falling

Sellers

Top-5 brand share

46%

Top 20: 89%

Top-5 click share

32%

Top 20: 68%

Open market

50%

VeYocilk24%
Yuomeaz6%
EDSG6%
UP Security5%
Galyacht5%
PATIKIL4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.6% search growth over the last 90 days.

Peak months: Feb · busiest ÷ quietest = 2.1×

Open Trend

Top heart lock search terms

heart lock50K/yr -12.7%2.8% conv.
love lock20K/yr -3.6%2.3% conv.
love lock for bridge23K/yr -13.6%2.7% conv.
heart shaped lock21K/yr -11.7%2.0% conv.
cute lock18K/yr -16.6%1.2% conv.
love locks15K/yr -6.1%1.2% conv.
heart padlock9K/yr -25.5%2.1% conv.
heart locks8K/yr -17.3%2.8% conv.
cute padlock6K/yr +6.9%0.7% conv.
cute locks7K/yr -9.8%1.0% conv.

All search terms

Top heart lock 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

VeYocilk 3.5 50mm Love Lock Heart Padlock Red Single Heart Wish Lock for Lovers Wedding Valentines Anniversary Travel Valentines Day Bridge(NO Key)

VeYocilk$6.494.5★421 rev

Custom Lock Heart Lock Engraved Padlock Personalized Love Locks for Bridge Couples Lover Padlock Gifts for Wedding Anniversary Valentines Boyfriend Girlfriend Wife Husband Travel Trip (Design 2)

EDSG$5.264.8★203 rev

2 Pcs Love Lock for Bridge Bronze Mini Heart Lock and Key Vintage Antique Heart Locks Jewelry Box Diary Locker

Yuomeaz$6.124.3★29 rev

Galyacht Antique Brass Heart Shape Padlock Key Lock Bronze Padlock Travel Storage

Galyacht$6.884.1★129 rev

UP Security Small Combination Lock for Locker Cable Lock with Code Pink Padlock Combination for Luggage Suitcase Gym Locker Backpack Zipper Cabinet Box Fence Gate Travel Safe Outdoor Use

UP Security$7.764.4★299 rev

Newest

by launch date

Custom Engraved Padlock Personalized Love Lock for Bridge Customized Name Date Heart Lock Name Date Couples Lover Padlock Gifts for Travel Trip Anniversary Valentines

Skartam$8.2014 rev

6mo ago

VeYocilk 1PC Red Aluminume Alloy Love Lock Heart Padlock Single Heart Lock Love-You-Forever for Lovers Couple Friends Valentines Anniversary Wedding Travel Bridge(No Key)

VeYocilk$4.843 rev

9mo ago

M METERXITY 1-Pack Combo Padlock Heart 3-Digit Password Pink

M METERXITY$5.0129 rev

11mo ago

2 Pack Small Lock Heart with Key Mini Heart Shaped Padlock Metal Small Diary Lock Mini Jewelry Padlock Notebook Locks for Diaries Necklace Book Padlocks Storage Box Jewelry Box

Mozeat Lens$6.1225 rev

1y ago

2 Pcs Love Lock for Bridge Bronze Mini Heart Lock and Key Vintage Antique Heart Locks Jewelry Box Diary Locker

Yuomeaz$6.1229 rev

1y ago

What buyers say about heart lock

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

What buyers love

Locking Mechanism26%

“Easy Lock”

Quality-Overall17%

“Amazing quality”

Advertised Vs Actual Product8%

“look as advertised”

Ease Of Use8%

“Easy to use”

Value For Money7%

“Worth the buy”

Size-Overall6%

“Perfect size”

Engraving/Paint/Sublimation4%

“The engraving was beautiful”

Design-Overall3%

“Great detail”

Color2%

“The red is very bright”

Strength2%

“they're actually not flimsy either”

What buyers complain about

Size-Overall23%

“Very tiny cheaply made”

Locking Mechanism18%

“Defective lock mechanism”

Quality-Overall10%

“Low quality”

Durability6%

“Broke apart in less than a day”

Instructions/User Manual/Troubleshooting5%

“The directions make no sense”

Functionality-Overall5%

“Would not work”

Weight Heavy4%

“Felt heavier than I expected for the price”

Assembly/Installation3%

“Poor setup”

Jamming/Clogging3%

“the fact they jam”

Rusts/Corrodes2%

“Rust easily, esp”

Top return reasons

Locking Mechanism34%

Size-Overall30%

Functionality-Overall12%

Value For Money3%

Mechanism Issues3%

Defective Material/Parts3%

Color3%

Advertised Vs Actual Product3%

Instructions/User Manual/Troubleshooting2%

Assembly/Installation2%

Common questions

Is heart lock profitable to sell on Amazon United States?: The niche generates $52K/yr across 57 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -12.6%. Flapen's verdict: Skip it (47/100).
How competitive is the heart lock niche?: 33 brands and 46 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 46% of demand.
What do buyers complain about in heart lock?: Top complaints mined from reviews: Size-Overall, Locking Mechanism, Quality-Overall. The return rate is 2.4%.
When does demand for heart lock peak?: Demand peaks in Feb; the busiest month runs 2.1× the quietest.
What does it cost to enter the heart lock niche?: Listings span $4.75–$15.69; the average listing price is $7.60 (sweet spot $15–$100). The average incumbent carries 534 reviews — the moat a new listing must climb.