peanut butter knife
Skip itA small market ($10K/yr) — this niche doesn't clear our bar today.
Returns
Great1.1%return rate — above 5% kills the launch gate
Review moat
Okay1,993.08avg incumbent reviews — the moat a new listing must climb
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Conversion
Okay3.2%search→purchase rate — share of searches ending in a sale
Avg price
Okay$9.37avg listing price — sweet spot $15–$100
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-28.4%90-day search growth — must beat 0% to launch
Price range
Bad$5.83–$15.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$10K$10K/yr · 34K searches
According to Flapen's Amazon United States niche tracking, peanut butter knife is a $10K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan. Verdict: Skip it — 30/100.
Data updated Aug 5, 2026 · scored weekly · How we score niches
peanut butter knife market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $14K–$19K
- units × avg price
- Conversion rate
- 3.2%
- Avg BSR
- #268
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.4%
- Avg brand age
- 45 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
26
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
16%
- PB-JIFE39%
- Simple preading18%
- Joie8%
- Zyliss7%
- JIUZI7%
- MOJOTORY6%
- Open — no brand owns it (4 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 80 weeks — -28.4% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 2.7×
Top peanut butter knife search terms
- peanut butter knife20K/yr
- peanut butter spreader12K/yr
- peanut butter knife spreader and scraper218/yr
- peanut butter knife long handle1K/yr
Top peanut butter knife 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
PB-JIFE! The Ultimate PB knife. Stir scrape and clean the BIG Jars (Red 1)
PB-JIFE$12.594.7★4,145 rev
Simple preading Stainless Steel Spreader Knife: Spatula for Peanut Butter Jelly Chocolate Strawberry Jam. 11.5 Multifunction Stir & Scrape BIG Jar
Simple preading$15.444.6★1,928 rev
Simple preading Stainless Steel Spatula Spreader Knife Peanut Butter and Jelly Chocolate or Strawberry Jam Stirrer & Jar Scraper 8.9 Multifunction Stir & Scrape any Jars - Spread with Clean Hands
Simple preading$13.404.6★1,928 rev
Joie Spreaders Set Reusable Plastic Knives 4-Count Assorted Colors
Joie$6.604.8★1,734 rev
Zyliss Sandwich Knife & Condiment Spreader - Sandwich Spreader for Butter Cream Cheese & Jellies - Ergonomic Stainless Steel Spreading - Butter Spread for Bagels & Toast - Gray 4.7
Zyliss$8.964.6★5,906 rev
Newest
by launch dateZyliss Sandwich Knife & Condiment Spreader - Sandwich Spreader for Butter Cream Cheese & Jellies - Ergonomic Stainless Steel Spreading - Butter Spread for Bagels & Toast - Gray 4.7
Zyliss$8.965,906 rev
4-Pack Silicone Jar Spatula Set Long Handle Nonstick Scraper Tools
JIUZI$5.83109 rev
MXFIV 3 Pieces Peanut Butter Knife Peanut Butter Knife Spatula
MXFIV$6.6245 rev
MOJOTORY Silicone Jar Scraper 2 PCS Long Handle Spatula
MOJOTORY$5.95909 rev
PB-JIFE! The Ultimate PB knife. Stir scrape and clean the BIG Jars (White 1)
PB-JIFE$12.464,145 rev
Trending
90-day click momentumZyliss Sandwich Knife & Condiment Spreader - Sandwich Spreader for Butter Cream Cheese & Jellies - Ergonomic Stainless Steel Spreading - Butter Spread for Bagels & Toast - Gray 4.7
Zyliss$8.964.6★
4-Pack Silicone Jar Spatula Set Long Handle Nonstick Scraper Tools
JIUZI$5.834.6★
Joie Spreaders Set Reusable Plastic Knives 4-Count Assorted Colors
Joie$6.604.8★
MXFIV 3 Pieces Peanut Butter Knife Peanut Butter Knife Spatula
MXFIV$6.624.6★
Rfstekhnikos 4 In 1 Multi-Function Knife for Spreading Peanut Butter Butter and Jam with Ease | Stir Scrape and Clean The Jars Simply | Open Bottles and Cans Effortlessly! 1X1
Rfstekhnikos$6.884.5★
What buyers say about peanut butter knife
What buyers praise and complain about, mined from review topics.What buyers love
“easy to use”
“As advertised”
“This spreader is extremely high quality”
“I like the size”
“Easy to clean”
“Great value”
“Seem very durable”
“THIS WAS A GIFT BUT I HAVE THEM MYSELF JUST FAB”
“It feels good in the hand”
“Works well”
What buyers complain about
“it rusts-it”
“Its a little small”
“Awful quality”
“This item is awkward to handle”
“This did not work”
“Very sharp”
“a month old already falling apart”
“Not new”
“its kinda messy so I stopped using it”
“Its heavier than I expected”
Top return reasons
Common questions
- Is peanut butter knife profitable to sell on Amazon United States?
- The niche generates $10K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -28.4%. Flapen's verdict: Skip it (30/100).
- How competitive is the peanut butter knife niche?
- 10 brands and 26 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in peanut butter knife?
- Top complaints mined from reviews: Rusts/Corrodes, Size-Overall, Quality-Overall. The return rate is 1.1%.
- When does demand for peanut butter knife peak?
- Demand peaks in Jan; the busiest month runs 2.7× the quietest.
- What does it cost to enter the peanut butter knife niche?
- Listings span $5.83–$15.44; the average listing price is $9.37 (sweet spot $15–$100). The average incumbent carries 1,993 reviews — the moat a new listing must climb.