---
title: "Dynamo — $151K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/dynamo"
last_updated: "2026-08-11T17:35:48.410Z"
locale: en
meta:
description: "Niche score 46/100 · $151K/yr market · 77K searches/yr · $28.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $151K/yr market · 77K searches/yr · $28.63 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Dynamo — $151K/yr Amazon US Niche (2026) - Flapen"
---
# **dynamo**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 32Growth 23Conversion 74Competition 11Returns 100Price range 90Avg price 95Brand share 0Review moat 27Quality gap 85
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$28.63**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.29–$92.88**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$151K**
$151K/yr · 77K searches
**Review moat**
**Okay****3,844.6**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-3.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****87%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, dynamo is a $151K/yr Amazon United States market (77K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **dynamo market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$115K–$143K**
- units × avg price
- **Conversion rate**
- **6.9%**
- **Avg BSR**
- **#786**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **0%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **74 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**87%**
Top 20: 100%
**Open market**
**0%**
- Screaming O83% - Promescent7% - adidas5% - K-Y3% - Marucci2%
## **Demand**
Weekly Amazon search volume, last 38 weeks — -3.5% search growth over the last 90 days.
4K3KSpike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/health-household/dynamo/trend)
## **Top dynamo search terms**
- **dynamo**31K/yr-8.3%2.0% conv. - **dynamo delay numbing spray**21K/yr+5.6%11.2% conv. - **dynamo delay**11K/yr-8.4%10.4% conv. - **dinamo**9K/yr+11.2%0.6% conv. - **dynamo delay spray**4K/yr-29.7%7.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/dynamo/search-terms)
## **Top dynamo 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%15%$23K30%$45K45%$68K60%$91K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz**Screaming O**$14.36**4.2★835 rev](https://www.amazon.com/dp/B00Z7S4CWC) [2**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz (2 Pack)**Screaming O**$22.42**4.3★534 rev](https://www.amazon.com/dp/B0CJVP7CQL) [3**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz (3 Pack)**Screaming O**$29.45**4.3★534 rev](https://www.amazon.com/dp/B0CCYHGRNV) [4**Promescent Desensitizing Delay Spray for Men Clinically Proven to Help You Last Longer in Bed - Better Maximized Sensation + Prolong Climax for Him 2.6 ml**Promescent**$23.65**3.9★16,533 rev](https://www.amazon.com/dp/B07SQ48736) [5**Dynamo Delay Travel Size Spray for Men 13% Lidocaine Formula to Help You Last Longer in Bed Compact Climax Control 6 mL Pocket Size**Screaming O**$10.29**3.3★47 rev](https://www.amazon.com/dp/B0CNCV7WNY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**adidas Womens Houston Dynamo Pre-Game Short Sleeve Soccer T-Shirt Collegiate Orange/Houston Dynamo Medium**adidas**$12.10**12 rev1y ago](https://www.amazon.com/dp/B0D28THSTG) [**adidas Mens Houston Dynamo Local Pop Short Sleeve Pre-game T-shirt Black Large**adidas**$16.78**219 rev2y ago](https://www.amazon.com/dp/B0CKM6TBLZ) [**Dynamo Delay Travel Size Spray for Men 13% Lidocaine Formula to Help You Last Longer in Bed Compact Climax Control 6 mL Pocket Size**Screaming O**$10.29**47 rev2y ago](https://www.amazon.com/dp/B0CNCV7WNY) [**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz (2 Pack)**Screaming O**$22.42**534 rev2y ago](https://www.amazon.com/dp/B0CJVP7CQL) [**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz (5 Pack)**Screaming O**$44.71**534 rev2y ago](https://www.amazon.com/dp/B0CJVMSVLS)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**adidas Mens Houston Dynamo Local Pop Short Sleeve Pre-game T-shirt Black Large**adidas**$16.78**4.3★**▲ 253%**](https://www.amazon.com/dp/B0CKM6TBLZ) [**adidas Womens Houston Dynamo Pre-Game Short Sleeve Soccer T-Shirt Collegiate Orange/Houston Dynamo Medium**adidas**$12.10**4.0★**▲ 221%**](https://www.amazon.com/dp/B0D28THSTG) [**Marucci Dynamo BAT Pack White/Black**Marucci**$92.88**4.8★**▲ 196%**](https://www.amazon.com/dp/B08BW5F4LB) [**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz (2 Pack)**Screaming O**$22.42**4.3★**▲ 60%**](https://www.amazon.com/dp/B0CJVP7CQL) [**Dynamo Delay Desensitizing Spray for Men to Help You Last Longer in Bed - Reduces Oversensitivity Prolong Climax for Him Metered Dose 0.75 Fl Oz (3 Pack)**Screaming O**$29.45**4.3★**— 7%**](https://www.amazon.com/dp/B0CCYHGRNV)
**~~View all trending →~~**
## **What buyers say about dynamo**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**25%
*“Works well”*
**Quality-Overall**20%
*“Great product”*
**Advertised Vs Actual Product**15%
*“Just as advertised”*
**Sexual Wellness**5%
*“Extends enjoyment and greatly enhances pleasure for the both of us”*
**Value For Money**4%
*“Buying three pack is extremely good value for money”*
**Spray/Flow**4%
*“I love this spray”*
**Durability**3%
*“it didn't take too long”*
**Strength**3%
*“Effective”*
**Ease Of Use**3%
*“Easy to Use”*
**Lubrication**1%
*“It did nothing on me it just worked like any other lubricant”*
### **What buyers complain about **
**Functionality-Overall**37%
*“Didn't work”*
**Smell**8%
*“Strong smell”*
**Quality-Overall**8%
*“Absolutely garbage I used 20 spays nothing dont waste your money”*
**Strength**5%
*“Doesnt have the strength of the last time”*
**Value For Money**3%
*“Too expensive”*
**Advertised Vs Actual Product**3%
*“Didn't work as advertised”*
**Size-Overall**3%
*“It would be nicer if the container size were a bit larger”*
**Ease Of Use**2%
*“kinda hard to open the top”*
**Natural Resource Wastage**2%
*“a lot got wasted”*
**Durability**2%
*“Or doesnt last long enough”*
### **Top return reasons **
**Size-Overall**81%
**Value For Money**8%
**Product Condition**8%
**Advertised Vs Actual Product**4%
## **Common questions**
- **Is dynamo profitable to sell on Amazon United States?**
- The niche generates $151K/yr across 10 tracked products. 90-day search growth is -3.5%. Flapen's verdict: Skip it (46/100).
- **How competitive is the dynamo niche?**
- 5 brands and 20 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in dynamo?**
- Top complaints mined from reviews: Functionality-Overall, Smell, Quality-Overall. The return rate is 0.0%.
- **What does it cost to enter the dynamo niche?**
- Listings span $10.29–$92.88; the average listing price is $28.63 (sweet spot $15–$100). The average incumbent carries 3,845 reviews — the moat a new listing must climb.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)