call blocker for landline phones
Skip itSoft demand (-16.0% this quarter) — this niche doesn't clear our bar today.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Great$74.77avg listing price — sweet spot $15–$100
Price range
Okay$32.28–$178.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$161K$161K/yr · 80K searches
Conversion
Okay2.7%search→purchase rate — share of searches ending in a sale
Review moat
Bad4,244.55avg incumbent reviews — the moat a new listing must climb
Brand share
Bad91%top-5 brand share — brand-locked demand
Returns
Bad5.9%return rate — above 5% kills the launch gate
Competition
Bad75%top-5 click share — a locked-up shelf
Growth
Bad-16.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, call blocker for landline phones is a $161K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Nov. Verdict: Skip it — 36/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
call blocker for landline phones market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $112K–$150K
- units × avg price
- Conversion rate
- 2.7%
- Avg BSR
- #903
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 91%
- Out of stock
- 21.0%
- Avg brand age
- 73 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
18
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
4%
- CPR Call Blocker41%
- enfizi19%
- Digitone Communications14%
- TelPal12%
- Luqeeg4%
- AT&T4%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -16.0% search growth over the last 90 days.Peak months: Nov · busiest ÷ quietest = 1.8×
Top call blocker for landline phones search terms
- call blocker for landline phones29K/yr
- call blocker7K/yr
- landline robocall blocker6K/yr
- cpr call blocker4K/yr
- cpr call blocker for landline phones3K/yr
- landline call blocking device4K/yr
- landline call blocker4K/yr
- robocall blocker for landline2K/yr
- call blocking device for landline5K/yr
- spam blocker for landline phones4K/yr
Top call blocker for landline phones 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CPR V5000 Call Blocker for Landline Phones - You Can Manually Block All Calls with the Big Red Button - Pre-Programmed with 5 000 Known Nuisance Numbers - Caller ID is Required
CPR Call Blocker$74.294.2★9,498 rev
CPR V100K Call Blocker for Landline Phones - Block Unwanted Calls with One Touch Big Red Button - Pre-Loaded with 100 000 Known Nuisance Numbers - Requires Caller ID
CPR Call Blocker$96.013.6★429 rev
Digitone ProSeries 3 Call Blocker Automatic SPAM Blocking for Landline Phones - Easy Setup One Button Blocking of RoboCalls
Digitone Communications$79.503.9★154 rev
TelPal Call Blocker Box for Landline Phones with Caller ID Display 4000 Number Capacity - to Block Hidden Numbers Telemarketer Calls Nuisance Calls Hidden Numbers Area Codes & Spam Calls
TelPal$32.283.9★84 rev
Enf860 Call Blocker for Landline Phones Blacklist/Whitelist Dual Mode Block spam Calls by Number and Name
enfizi$76.734.0★149 rev
Newest
by launch dateEnf860 Call Blocker for Landline Phones Blacklist/Whitelist Dual Mode Block spam Calls by Number and Name
enfizi$76.73149 rev
Call Blocker for Landline Phones Caller ID Box Call Blocking Device with LCD Display - Stop Unwanted Calls Robocalls Telemarketers
Luqeeg$36.6821 rev
Digitone ProSeries 3 Call Blocker Automatic SPAM Blocking for Landline Phones - Easy Setup One Button Blocking of RoboCalls
Digitone Communications$79.50154 rev
CPR V100K Call Blocker for Landline Phones - Block Unwanted Calls with One Touch Big Red Button - Pre-Loaded with 100 000 Known Nuisance Numbers - Requires Caller ID
CPR Call Blocker$96.01429 rev
Enf510 Call Blocker for Landline Phones/Answering Machine/Home Cordless Phones Works with All Analog Telephones Block unwanted Calls
enfizi$54.56463 rev
Trending
90-day click momentum
Ultimate Call Blocker (LAN Version) - Proactive Blocking of Unsolicited Calls (Robocalls Scams Non-Profit Unwanted) Unlimited Call Blocking Capacity Name Blocking Whitelist Mode Made in USA.
hqtelecom$178.353.8★
CPR V5000 Call Blocker for Landline Phones - You Can Manually Block All Calls with the Big Red Button - Pre-Programmed with 5 000 Known Nuisance Numbers - Caller ID is Required
CPR Call Blocker$74.294.2★
TelPal Call Blocker Box for Landline Phones with Caller ID Display 4000 Number Capacity - to Block Hidden Numbers Telemarketer Calls Nuisance Calls Hidden Numbers Area Codes & Spam Calls
TelPal$32.283.9★
Call Blocker for Landline Phones Caller ID Box Call Blocking Device with LCD Display - Stop Unwanted Calls Robocalls Telemarketers
Luqeeg$36.683.9★
Enf860 Call Blocker for Landline Phones Blacklist/Whitelist Dual Mode Block spam Calls by Number and Name
enfizi$76.734.0★
What buyers say about call blocker for landline phones
What buyers praise and complain about, mined from review topics.What buyers love
“Does It's Job and Does it Well”
“Great system”
“Best money ever spent”
“Easy set up”
“Unit works as advertised”
“Easy to Use”
“Second extension phone works fine”
“Clear instructions”
“Great sound”
“It works with one click”
What buyers complain about
“Problem is all the functions don't work all the time”
“Will not charge”
“Stopped working after two months”
“Absolute Garbage”
“Low Battery”
“Having a problem with these phones and AT&t is slow to respond”
“Instructions are not friendly for me to understand”
“was difficult to use”
“Its no longer worth the money”
“Wrong parts”
Top return reasons
Common questions
- Is call blocker for landline phones profitable to sell on Amazon United States?
- The niche generates $161K/yr across 11 tracked products. 90-day search growth is -16.0%. Flapen's verdict: Skip it (36/100).
- How competitive is the call blocker for landline phones niche?
- 8 brands and 18 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in call blocker for landline phones?
- Top complaints mined from reviews: Functionality-Overall, Charging, Durability. The return rate is 5.9% — above our launch gate.
- When does demand for call blocker for landline phones peak?
- Demand peaks in Nov; the busiest month runs 1.8× the quietest.
- What does it cost to enter the call blocker for landline phones niche?
- Listings span $32.28–$178.35; the average listing price is $74.77 (sweet spot $15–$100). The average incumbent carries 4,245 reviews — the moat a new listing must climb.