mortar gun
Worth a lookShows beatable incumbent ratings (3.7★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Quality gap
Incredible3.7★avg incumbent rating — lower means beatable quality
Returns
Great1.1%return rate — above 5% kills the launch gate
Review moat
Great335.06avg incumbent reviews — the moat a new listing must climb
Brand share
Great58%top-5 brand share — no brand owns this niche
Avg price
Great$99.93avg listing price — sweet spot $15–$100
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Conversion
Good5.0%search→purchase rate — share of searches ending in a sale
Market size
Okay$209K$209K/yr · 42K searches
Growth
Okay+11.8%90-day search growth — must beat 0% to launch
Price range
Bad$9.92–$811.58cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, mortar gun is a $209K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
mortar gun market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $150K–$200K
- units × avg price
- Conversion rate
- 5.0%
- Avg BSR
- #418
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 90%
- Out of stock
- 6.4%
- Avg brand age
- 48 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
24 falling
Sellers
28
Top-5 brand share
58%
Top 20: 96%
Top-5 click share
47%
Top 20: 88%
Open market
38%
- HOUBYU33%
- CIFUPUQU8%
- ZMURED6%
- duxinn6%
- Senhill5%
- HBCHEN4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +11.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top mortar gun search terms
- grout gun13K/yr
- mortar gun13K/yr
- grout pump9K/yr
- mortar grout gun7K/yr
Top mortar gun 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
Mortar Grout Gun Cement Caulk Gun with 9 Nozzle Without Electric Drill
HOUBYU$38.234.0★167 rev
Mortar Grout Gun Grout Pump With 9 NozzlesWithout Electric Drill
HOUBYU$35.953.6★135 rev
Mortar Pointing Grouting Gun Stainless Steel Cement Caulking Gun
CIFUPUQU$29.343.6★37 rev
Electric Mortar Grout Gun Portable Pointing Grouting Caulking Sprayer with 8 Nozzles (Without Electric Drill)
ZMURED$29.903.9★49 rev
Large Size Auger Mortar Grout Gun With 9 Nozzle Without Electric Drill
HOUBYU$47.573.7★134 rev
Newest
by launch date
Lanties Electric Mortar Caulking Gun Portable Cement Grouting Machine Reusable Mortar Pointing Gun with 5 Nozzles for Walls Bricks Floors (Not Include Electric Drill)(Blue)
Lanties$30.3412 rev
Electric Mortar Grout Gun Pump Caulking Tool Portable Cement Grouting Machine Reusable Cordless Caulking Gun with 4 Nozzles for Efficient Tiling and Masonry Work
QZQUFJ$22.76146 rev
Multi functional and labor-saving caulking gun manual pressure grouting grout filling agent epoxy colored sand grouting construction caulking gun
CQHKINGHAI$19.0010 rev
DAFEIKE Mortar Gun Grout Gun Cement Caulk Gun Stainless Steel Lime Caulking Gun Brick Pointing Tools with 5 Nozzles
DAFEIKE$34.7561 rev
INREPRO Mortar Pointing Grouting Gun Cement Caulking Pump with 5 Nozzles for Grouting of Doors & Windows Stainless Steel Mortar Sprayer Applicator Tool for Grouting Sealing Joint Filling (Black)
INREPRO$32.1436 rev
Trending
90-day click momentumLanties Electric Mortar Caulking Gun Portable Cement Grouting Machine Reusable Mortar Pointing Gun with 5 Nozzles for Walls Bricks Floors (Not Include Electric Drill)(Blue)
Lanties$30.343.3★
Grouting Grout Injection Pump EPOXY Polyurethane Foam Injection Pump for Concrete Repair Waterproofing Crack Repair Apartment Roofing Basement Garage Tunnel Bridge
Adoration$513.892.5★
Electric Mortar Grout Gun Portable Pointing Grouting Caulking Sprayer with 8 Nozzles (Without Electric Drill)
ZMURED$29.903.9★
Senhill Mortar Pointing Grouting Gun Mortar Sprayer Applicator Stainless Steel Cement Caulking Gun Cement Caulking Pump with 5 Nozzle
Senhill$34.564.0★
Mortar Grout Gun Cement Caulk Gun with 9 Nozzle Without Electric Drill
HOUBYU$38.234.0★
What buyers say about mortar gun
What buyers praise and complain about, mined from review topics.What buyers love
“easy to use and very helpful”
“Great value”
“GOOD QUALITY”
“Everything worked as advertised”
“Very good durable tool at a great price”
“Easy to clean”
“it is not flimsy”
“Well built”
“it did the job”
“Its not too bulky and lightweight”
What buyers complain about
“Garbage”
“It may not function as intended”
“Broke on first use”
“very difficult to remove”
“Not strong”
“No pressure release on the push rod on the caulk gun”
“refurbished item not sure which”
“not as easy as it looked on youtube instructions”
“waste of money”
“The Hopper seemed a little small when I bought it”
Top return reasons
Common questions
- Is mortar gun profitable to sell on Amazon United States?
- The niche generates $209K/yr across 31 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +11.8%. Flapen's verdict: Worth a look (63/100).
- How competitive is the mortar gun niche?
- 24 brands and 28 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 58% of demand.
- What do buyers complain about in mortar gun?
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Durability. The return rate is 1.1%.
- When does demand for mortar gun peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the mortar gun niche?
- Listings span $9.92–$811.58; the average listing price is $99.93 (sweet spot $15–$100). The average incumbent carries 335 reviews — the moat a new listing must climb.