donut filler
Worth a lookShows beatable incumbent ratings (4.3★), but prices mostly outside the sweet spot ($5.50–$2031.61) keeps it on the watch list.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Great450.71avg incumbent reviews — the moat a new listing must climb
Avg price
Good$102.28avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Brand share
Good63%top-5 brand share — brands hold most of the demand
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Market size
Okay$267K$267K/yr · 43K searches
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Growth
Bad-35.3%90-day search growth — must beat 0% to launch
Price range
Bad$5.50–$2031.61cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, donut filler is a $267K/yr Amazon United States market (43K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Feb–Dec. Verdict: Worth a look — 52/100.
Data updated Aug 4, 2026 · scored weekly · How we score niches
donut filler market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $205K–$256K
- units × avg price
- Conversion rate
- 6.1%
- Avg BSR
- #13,086
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 86%
- Out of stock
- 4.8%
- Avg brand age
- 35 months
- Avg seller age
- 194 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
23 falling
Sellers
38
Top-5 brand share
63%
Top 20: 98%
Top-5 click share
57%
Top 20: 94%
Open market
31%
- The Kosher Cook20%
- AOSHIDINGSHUO14%
- ELEGICKLIP12%
- Norpro11%
- Edhard Corporation7%
- KFHENSOMR6%
Demand & seasonality
Weekly Amazon search volume, last 75 weeks — -35.3% search growth over the last 90 days.Peak months: Feb, Dec · busiest ÷ quietest = 3.2×
Top donut filler search terms
- donut filler injector12K/yr
- donut filler8K/yr
- pastry filling injector4K/yr
- donut filling injector5K/yr
- donut injector4K/yr
- pastry filler4K/yr
- pastry filler injector3K/yr
- filling injector baking3K/yr
Top donut filler 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
3PCS Puff Cream Filling Piping Tips with 50Piping Bags for Donuts Eclairs
AOSHIDINGSHUO$9.694.3★80 rev

Donut Filler Injector Cupcake Filler Tool Piping Kit with 7 Icing Nozzles 3 Cream Scrapers Frosting Piping Nozzles Kits for Cake Cookie Baking
ELEGICKLIP$9.703.9★100 rev

The Kosher Cook Set of 2 Donut Filling Pastry Syringes Clear Plastic Kitchen Tools
The Kosher Cook$9.954.4★96 rev

Norpro Cupcake Injector/Decorating Icing Set 9-Piece Set Stainless Steel Multicolor
Norpro$6.844.3★6,825 rev

The Kosher Cook Donut Filling Injector Stainless Steel Pastry Syringe with Comfortable Grip Handle Food Grade Kitchen Tool
The Kosher Cook$13.963.5★101 rev
Newest
by launch date
KFHENSOMR Cream Puff Cupcake Filler Piping Tips Kit 3pcs Long Puff Nozzle Donut Filler Injector With 50 Disposable Pastry Piping Bags & Injector Tip Cleaning Brush For Filling Donuts Puff Eclairs
KFHENSOMR$6.490 rev

LXUEJIE 3Pcs Donut Filler Injector Cream Filling Piping Tip Cupcake Filler Tool Couplers For Piping Bags Disposable Pastry Bags for Small Pastries Puffs Cupcakes Filling Donuts
LXUEJIE$6.820 rev

KFHENSOMR Cream Puff Cupcake Filler Piping Tips Kit 3 Pcs Stainless Steel Long Puff Nozzle Tips & 20 Disposable Pastry Piping Bags with Injector Tip Cleaning Brush for Donuts Pastry Filling
KFHENSOMR$7.1715 rev

Wtecom Donut Fillings Jelly Injector Filler Bread Injector Machine
Wtecom$2031.610 rev

Puff Cream Filling Piping Tip 3 PCS Long Donut Filler Injector with 50 Disposable Pastry Piping Bags and Injector Tip Cleaning Brush Cream Puff Filling Nozzles Cupcake Filler Tool for Donuts Eclairs
Xosjska$10.051 rev
Trending
90-day click momentum
Wtecom Donut Fillings Jelly Injector Filler Bread Injector Machine
Wtecom$2031.610.0★

LXUEJIE 3Pcs Donut Filler Injector Cream Filling Piping Tip Cupcake Filler Tool Couplers For Piping Bags Disposable Pastry Bags for Small Pastries Puffs Cupcakes Filling Donuts
LXUEJIE$6.820.0★

5L Commercial Donut Filler Machine donut machine with 4 Filling Pipes
CheriMuMu$139.045.0★

KFHENSOMR Cream Puff Cupcake Filler Piping Tips Kit 3 Pcs Stainless Steel Long Puff Nozzle Tips & 20 Disposable Pastry Piping Bags with Injector Tip Cleaning Brush for Donuts Pastry Filling
KFHENSOMR$7.174.4★

KFHENSOMR Cream Puff Cupcake Filler Piping Tips Kit 3pcs Long Puff Nozzle Donut Filler Injector With 50 Disposable Pastry Piping Bags & Injector Tip Cleaning Brush For Filling Donuts Puff Eclairs
KFHENSOMR$6.490.0★
What buyers say about donut filler
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“The stainless steel body cleans up fast”
“great value”
“Just what I needed”
“The piping tips are fine”
“Buy several, you can use them for icing on a cake, cookie decoration or egg decor i've seen so many multi purpose things for me in the kitchen and when i'm baking or cooking with others, everyone has their own”
“Works great”
“peanut butter is thicker than cookie dough”
“Quality of stainless steel is really good which is why I'm leaving 3 stars”
“Perfect to inject pasteries”
What buyers complain about
“Doesnt work”
“It felt very cheap”
“I doubt it will last”
“Tips are too long”
“Not usable”
“Weak”
“Not worth it”
“Not wide enough for injecting thicker fillings like icing or preserves”
“It would not seal well enough to suck water into tube”
“cleaning I don't find convenient”
Top return reasons
Common questions
- Is donut filler profitable to sell on Amazon United States?
- The niche generates $267K/yr across 28 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is -35.3%. Flapen's verdict: Worth a look (52/100).
- How competitive is the donut filler niche?
- 23 brands and 38 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in donut filler?
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Durability. The return rate is 2.1%.
- When does demand for donut filler peak?
- Demand peaks in Feb–Dec; the busiest month runs 3.2× the quietest.
- What does it cost to enter the donut filler niche?
- Listings span $5.50–$2031.61; the average listing price is $102.28 (sweet spot $15–$100). The average incumbent carries 451 reviews — the moat a new listing must climb.