Monofin
MaybeSearch demand grew +170.8% this quarter. But buyers convert on only 1.6% of searches, so Monofin is a Maybe.
- Flapen Score
- 53 / 100Top 28% of 8,101 Sports & Outdoors niches · +6 vs the category median of 4753
- Market size
- $127K/yr150K searches / yr
- 90-day growth
- +170.8%search demand this quarter
- Competition
- 36%top-5 click share · 14 brands · 21 sellers
Flapen Score
Monofin against its category
The dotted line is the Sports & Outdoors average. Past it, Monofin is stronger. Inside it, weaker.
Market
The Monofin market on Amazon at a glance
Shoppers on Amazon United States searched for Monofin 150K times last year and spent an estimated $127K. The top 5 brands take 87% of clicks. Demand peaks in Jun–Jul–Aug. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 1.6% of those searches ended in a purchase.
Shoppers searched for this 150K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.6% of those searches ended in a purchase. Searches in the last 90 days moved +170.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $127K a year.
- Searches, last 12 months
- 150K
- Growth, 90 days vs prior 90
- +170.8%
- Conversion, latest week
- 1.6%
- Market size, estimated
- $127Ka year
- Peak month
- July6.1× the quietest month
- Top search term
- monofin50K searches a year
02 · Price
A sale here is worth $54.64.
Listings sell for $54.64 on average, from $5.98 to $228.28. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 0 to 100 of them. At $54.64 that is $0 to $5K a year per listing.
- Average price
- $54.64inside the $15 to $100 sweet spot
- Price range
- $5.98–$228.28
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$5K
- Returns
- 4.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
78% of listings pay for placement with sponsored ads. 75% ship with Prime. On an average day, 2.5% of listings are out of stock. The average listing ranks #1,556 within Water Sports. It carries 1,181 reviews at 4.47 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 78%
- Prime listings
- 75%
- Out of stock, average day
- 2.5%
- Average rank
- #1,556in Water Sports
- Average rating
- 4.47 starsAmazon United States average 4.42 stars
- Average reviews
- 1,181per listing
- Listings tracked
- 51
04 · Newcomers
8 of last year's 10 launches cleared the first-year sales bar.
10 products launched here in the last 12 months. 8 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 49 months on average, so the names here are settling in.
- Launched, last 12 months
- 10
- Successful launches
- 8Amazon's first-year sales bar
- Average brand age
- 49 months
Products
Top Monofin products & what they sell for
Every tracked product: its share of the shelf, its reviews, and its price.
Sign in to see the products
The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.
Competition
Competition: brands, sellers & click share
The top 5 products take only 36% of clicks. An open shelf where new products get seen.
Brands
14 rising
Sellers
21
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
36%
Top 20: 78%
Open market
10%
- Brand 130%
- Brand 223%
- Brand 319%
- Brand 47%
- Brand 57%
- Brand 63%
- Open — no brand owns it (8 brands, 10%)
Demand
Monofin search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 6.1×
Search terms
Top Monofin search terms shoppers use
The exact words shoppers type, with yearly volume, growth, and conversion.
- monofin50K/yr
- monofin adult18K/yr
- mermaid fin17K/yr
- mermaid fins for girls11K/yr
- mono fin6K/yr
- adult monofin5K/yr
- monofin for kids6K/yr
- mermaid monofin6K/yr
- mermaid fins7K/yr
- mermaid fin for swimming7K/yr
Reviews and returns
What reviews say buyers love and hate about Monofin
We read the reviews and the return reasons for every product selling here.
“Tight”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
18 topics
Keep looking
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Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Monofin questions
Answered from the same tracked data.









