interior door lock and keypad
Skip itPrices mostly outside the sweet spot ($28.99–$474.60) — this niche doesn't clear our bar today.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$105.14avg listing price — sweet spot $15–$100
Brand share
Good65%top-5 brand share — brands hold most of the demand
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,545.1avg incumbent reviews — the moat a new listing must climb
Growth
Okay+10.9%90-day search growth — must beat 0% to launch
Market size
Okay$177K$177K/yr · 43K searches
Returns
Bad5.3%return rate — above 5% kills the launch gate
Price range
Bad$28.99–$474.60cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, interior door lock and keypad is a $177K/yr Amazon United States market (43K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 47/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
interior door lock and keypad market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $158K–$210K
- units × avg price
- Conversion rate
- 3.9%
- Avg BSR
- #131
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 93%
- Out of stock
- 1.8%
- Avg brand age
- 39 months
- Avg seller age
- 157 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
93
Top-5 brand share
65%
Top 20: 100%
Top-5 click share
53%
Top 20: 91%
Open market
28%
- Yamiry25%
- Evanshow14%
- iulock13%
- Veise7%
- Signstek7%
- NICE DIGI6%
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — +10.9% search growth over the last 90 days.Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 2.5×
Top interior door lock and keypad search terms
- coded door knob10K/yr
- indoor keypad door lock6K/yr
- interior keypad door lock5K/yr
- cipher lock6K/yr
- combo door knob4K/yr
- closet door lock with code5K/yr
- interior door keypad lock4K/yr
- cypher lock3K/yr
Top interior door lock and keypad 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Keypad Smart Door Knob Lock Yamiry Keyless Entry Digital Lock with Handle Electronic Code Knob for Front Door Easy Installation
Yamiry$49.694.4★1,940 rev
iulock Keypad & Key Smart Door Lock 50 User Codes Waterproof Auto Lock - Matte Black
iulock$38.204.3★2,546 rev
Evanshow Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry Door Locks for Bedrooms Home Hotel Office Apartment Black
Evanshow$28.994.1★1,831 rev
Signstek Keyless Entry Door Lock Door Knob with Keypad Smart Code Door Lock Mute Mode Passage Function Easy to Install Satin Nickel
Signstek$36.284.2★6,881 rev
Keypad Door Lock with Handle Smart Keyless Entry with Code for Front Door
NICE DIGI$48.034.4★2,061 rev
Newest
by launch date
Evanshow Smart Door Knob Fingerprint Lock 4-in-1 Keyless Entry (Fingerprint/App/Code/Key) Biometric Door with Auto-Lock Easy Install for Home/Bedroom/Office-Black
Evanshow$39.4898 rev
ThorBolt G1 Fingerprint Door Knob Lock with Keypad Biometric Door Knob Auto-Lock 4* AAA Alkaline Batteries Interior Door Lock for Bedroom Garage Office Pantry Door Black
ThorBolt$38.71219 rev
Veise Keypad Door Lock with Handle Keyless Entry for Front Door & Bedroom Electronic Lock with Code Auto-Locking Easy Installation Passage Mode Satin Nickel
Veise$47.41470 rev
Veise KS03 Keypad Door Knob Lock Keyless Entry Digital Lock with Handle Electronic Smart Knob for Front Door & Bedroom Easy Install Auto Lock Passage Mode Anti-Peeping Password Satin Nickel
Veise$47.49466 rev
Evanshow Smart Door Lock with Knob Keyless Entry Door Locks with Handle Fingerprint Door Knob for Bedroom/Front Door/Apartment Generate Passcode Remotely Black
Evanshow$35.641,831 rev
Trending
90-day click momentumEvanshow Smart Door Knob Fingerprint Lock 4-in-1 Keyless Entry (Fingerprint/App/Code/Key) Biometric Door with Auto-Lock Easy Install for Home/Bedroom/Office-Black
Evanshow$39.484.3★
ThorBolt G1 Fingerprint Door Knob Lock with Keypad Biometric Door Knob Auto-Lock 4* AAA Alkaline Batteries Interior Door Lock for Bedroom Garage Office Pantry Door Black
ThorBolt$38.714.3★
Evanshow Smart Door Lock with Knob Keyless Entry Door Locks with Handle Fingerprint Door Knob for Bedroom/Front Door/Apartment Generate Passcode Remotely Black
Evanshow$35.644.1★
TEEHO TE004 Keyless Entry Keypad Door Lock with Handle - Smart Digital Electronic Lock for Interior Door with Anti-Peeping Auto Lock & Passage Mode - Easy Installation - Satin Nickel
TEEHO$48.294.3★
Signstek Keyless Entry Door Lock Door Knob with Keypad Smart Code Door Lock Mute Mode Passage Function Easy to Install Satin Nickel
Signstek$36.284.2★
What buyers say about interior door lock and keypad
What buyers praise and complain about, mined from review topics.What buyers love
“Ez install”
“Smart Door Lock”
“Build quality feels solid”
“Great Deal”
“Makes life so much easier”
“Feels very secure”
“As advertised”
“Works smoothly so far”
“Easy to follow instructions”
“Well constructed”
What buyers complain about
“THE LOCK IS NOT GOOD”
“Broke after a month”
“so low end quality”
“it does not function properly”
“Difficult to Install”
“No Instructions”
“battery do not last long”
“difficult to open”
“Looks more expensive than it is”
“buttons already malfunctioning”
Top return reasons
Common questions
- Is interior door lock and keypad profitable to sell on Amazon United States?
- The niche generates $177K/yr across 29 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +10.9%. Flapen's verdict: Skip it (47/100).
- How competitive is the interior door lock and keypad niche?
- 18 brands and 93 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 65% of demand.
- What do buyers complain about in interior door lock and keypad?
- Top complaints mined from reviews: Locking Mechanism, Durability, Quality-Overall. The return rate is 5.3% — above our launch gate.
- When does demand for interior door lock and keypad peak?
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 2.5× the quietest.
- What does it cost to enter the interior door lock and keypad niche?
- Listings span $28.99–$474.60; the average listing price is $105.14 (sweet spot $15–$100). The average incumbent carries 2,545 reviews — the moat a new listing must climb.