---
title: "Donut Filler — $267K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/donut-filler"
last_updated: "2026-08-10T10:59:21.364Z"
locale: en
meta:
description: "Niche score 52/100 · $267K/yr market · 43K searches/yr. Prices mostly outside the sweet spot ($5.50–$2031.61) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 52/100 · $267K/yr market · 43K searches/yr. Prices mostly outside the sweet spot ($5.50–$2031.61) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Donut Filler — $267K/yr Amazon US Niche (2026) - Flapen"
---
# **donut filler**
**Worth a look**
Shows beatable incumbent ratings (4.3★), but prices mostly outside the sweet spot ($5.50–$2031.61) keeps it on the watch list.
Market size 49Growth 7Conversion 68Competition 47Returns 72Price range 4Avg price 74Brand share 69Review moat 77Quality gap 78
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****450.71**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$102.28**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$267K**
$267K/yr · 43K searches
**Competition**
**Okay****57%**
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–$2031.61**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
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 ~~](https://flapen.com/research/methodology)
## **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.
2K1KPrime Day '25Spike '25Holiday '25Spike '26 seasonMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: Feb, Dec · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/donut-filler/trend)
## **Top donut filler search terms**
- **donut filler injector**12K/yr-28.8%3.9% conv. - **donut filler**8K/yr-36.0%3.6% conv. - **pastry filling injector**4K/yr-25.3%4.6% conv. - **donut filling injector**5K/yr-41.6%4.4% conv. - **donut injector**4K/yr-36.0%4.3% conv. - **pastry filler**4K/yr-35.0%3.0% conv. - **pastry filler injector**3K/yr-45.3%5.4% conv. - **filling injector baking**3K/yr-55.9%6.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/donut-filler/search-terms)
## **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.
0%4%$11K8%$21K12%$32K16%$43K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**3PCS Puff Cream Filling Piping Tips with 50Piping Bags for Donuts Eclairs**AOSHIDINGSHUO**$9.69**4.3★80 rev](https://www.amazon.com/dp/B0DSSSW7NX) [2**Donut Filler Injector Cupcake Filler Tool Piping Kit with 7 Icing Nozzles 3 Cream Scrapers Frosting Piping Nozzles Kits for Cake Cookie Baking**ELEGICKLIP**$9.70**3.9★100 rev](https://www.amazon.com/dp/B0F1K3LDN9) [3**The Kosher Cook Set of 2 Donut Filling Pastry Syringes Clear Plastic Kitchen Tools**The Kosher Cook**$9.95**4.4★96 rev](https://www.amazon.com/dp/B09KYG35RH) [4**Norpro Cupcake Injector/Decorating Icing Set 9-Piece Set Stainless Steel Multicolor**Norpro**$6.84**4.3★6,825 rev](https://www.amazon.com/dp/B0042YYBNC) [5**The Kosher Cook Donut Filling Injector Stainless Steel Pastry Syringe with Comfortable Grip Handle Food Grade Kitchen Tool**The Kosher Cook**$13.96**3.5★101 rev](https://www.amazon.com/dp/B09KYGNG6J)
**~~View all top sellers →~~**
### **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**$6.49**0 rev4mo ago](https://www.amazon.com/dp/B0GS23F9R7) [**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**$6.82**0 rev5mo ago](https://www.amazon.com/dp/B0GRGLJXV7) [**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**$7.17**15 rev5mo ago](https://www.amazon.com/dp/B0GQTY6G6Z) [**Wtecom Donut Fillings Jelly Injector Filler Bread Injector Machine**Wtecom**$2031.61**0 rev5mo ago](https://www.amazon.com/dp/B0GN2FF9TS) [**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**$10.05**1 rev6mo ago](https://www.amazon.com/dp/B0G92L32DQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Wtecom Donut Fillings Jelly Injector Filler Bread Injector Machine**Wtecom**$2031.61**0.0★**▲ 382%**](https://www.amazon.com/dp/B0GN2FF9TS) [**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**$6.82**0.0★**▲ 315%**](https://www.amazon.com/dp/B0GRGLJXV7) [**5L Commercial Donut Filler Machine donut machine with 4 Filling Pipes**CheriMuMu**$139.04**5.0★**▲ 294%**](https://www.amazon.com/dp/B0FVFMG32P) [**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**$7.17**4.4★**▲ 290%**](https://www.amazon.com/dp/B0GQTY6G6Z) [**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**$6.49**0.0★**▲ 288%**](https://www.amazon.com/dp/B0GS23F9R7)
**~~View all trending →~~**
## **What buyers say about donut filler**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**23%
*“Easy to use”*
**Ease Of Cleaning**12%
*“The stainless steel body cleans up fast”*
**Value For Money**11%
*“great value”*
**Advertised Vs Actual Product**10%
*“Just what I needed”*
**Quality-Overall**9%
*“The piping tips are fine”*
**Baking**7%
*“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”*
**Efficiency**3%
*“Works great”*
**Thickness**2%
*“peanut butter is thicker than cookie dough”*
**Material Quality**2%
*“Quality of stainless steel is really good which is why I'm leaving 3 stars”*
**Functionality-Overall**2%
*“Perfect to inject pasteries”*
### **What buyers complain about **
**Functionality-Overall**17%
*“Doesnt work”*
**Quality-Overall**15%
*“It felt very cheap”*
**Durability**14%
*“I doubt it will last”*
**Size-Overall**6%
*“Tips are too long”*
**Ease Of Use**5%
*“Not usable”*
**Strength**4%
*“Weak”*
**Value For Money**4%
*“Not worth it”*
**Thickness**4%
*“Not wide enough for injecting thicker fillings like icing or preserves”*
**Leak-Proof**4%
*“It would not seal well enough to suck water into tube”*
**Ease Of Cleaning**4%
*“cleaning I don't find convenient”*
### **Top return reasons **
**Size-Overall**28%
**Functionality-Overall**14%
**Quality-Overall**10%
**Advertised Vs Actual Product**8%
**Ease Of Use**7%
**Product Condition**5%
**Material Quality**4%
**Durability**3%
**Leak-Proof**3%
**Strength**3%
## **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.
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