- Flapen Score
- 44 / 100Ranks 4,936 of 8,101 Sports & Outdoors niches · −3 vs the category median of 4744
- Market size
- $204K/yr51K searches / yr
- 90-day growth
- +21.0%search demand this quarter
- Competition
- 97%top-5 click share · 5 brands · 40 sellers
Flapen Score
Steripen against its category
The dotted line is the Sports & Outdoors average. Past it, Steripen is stronger. Inside it, weaker.
Market
The Steripen market on Amazon at a glance
Shoppers on Amazon United States searched for Steripen 51K times last year and spent an estimated $204K. All 5 brands take every click. Demand peaks in Jul–Aug. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 5.2% of those searches ended in a purchase.
Shoppers searched for this 51K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.2% of those searches ended in a purchase. Searches in the last 90 days moved +21.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $204K a year.
- Searches, last 12 months
- 51K
- Growth, 90 days vs prior 90
- +21.0%
- Conversion, latest week
- 5.2%
- Market size, estimated
- $204Ka year
- Peak month
- August2.2× the quietest month
- Top search term
- steripen30K searches a year
02 · Price
A sale here is worth $76.84.
Listings sell for $76.84 on average, from $13.65 to $115.05. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 250 to 500 of them. At $76.84 that is $19K to $38K a year per listing.
- Average price
- $76.84inside the $15 to $100 sweet spot
- Price range
- $13.65–$115.05
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 250–500
- Revenue per listing a year
- $19K–$38K
- Returns
- 1.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #36 within Hydration & Filtration. It carries 21,658 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #36in Hydration & Filtration
- Average rating
- 4.43 starsAmazon United States average 4.42 stars
- Average reviews
- 21,658per listing
- Listings tracked
- 6
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 66 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 66 months
Products
Top Steripen products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SteriPen Ultra UV Water Purifier USB Rechargeable
- Price
- $115.05
- Rating
- 4.3/5
- Reviews
- 990
- Age
- 16y ago

SteriPen Adventurer Opti UV Water Purifier
- Price
- $102.65
- Rating
- 4.5/5
- Reviews
- 258
- Age
- 16y ago

SteriPen Adventurer Opti UV Water Purifier
- Price
- $105.59
- Rating
- 4.4/5
- Reviews
- 599
- Age
- 16y ago

SteriPen Classic 3 UV Water Purifier
- Price
- $90.30
- Rating
- 3.9/5
- Reviews
- 48
- Age
- 3y ago

Aquatabs Water Purification Tablets (397mg 100 Pack). Water Filtration System for Camping Boating Emergency Water Survival Kit and Marine. Easy-to-Use Water Purifier Treatment.
- Price
- $33.78
- Rating
- 4.7/5
- Reviews
- 3,154
- Age
- 4y ago
Trending
estimated 90-day click momentum
Aquatabs Water Purification Tablets (397mg 100 Pack). Water Filtration System for Camping Boating Emergency Water Survival Kit and Marine. Easy-to-Use Water Purifier Treatment.
- Price
- $33.78
- Rating
- 4.7/5
- Reviews
- 3,154
- Age
- 4y ago

SteriPen Ultra UV Water Purifier USB Rechargeable
- Price
- $115.05
- Rating
- 4.3/5
- Reviews
- 990
- Age
- 16y ago

SteriPen Classic 3 UV Water Purifier
- Price
- $90.30
- Rating
- 3.9/5
- Reviews
- 48
- Age
- 3y ago

SteriPen Adventurer Opti UV Water Purifier
- Price
- $105.59
- Rating
- 4.4/5
- Reviews
- 599
- Age
- 16y ago

SteriPen Adventurer Opti UV Water Purifier
- Price
- $102.65
- Rating
- 4.5/5
- Reviews
- 258
- Age
- 16y ago
Newest
by launch date
SteriPen Classic 3 UV Water Purifier
- Price
- $90.30
- Rating
- 3.9/5
- Reviews
- 48
- Age
- 3y ago

Aquatabs Water Purification Tablets (397mg 100 Pack). Water Filtration System for Camping Boating Emergency Water Survival Kit and Marine. Easy-to-Use Water Purifier Treatment.
- Price
- $33.78
- Rating
- 4.7/5
- Reviews
- 3,154
- Age
- 4y ago

LifeStraw Personal Water Filter for Hiking Camping Travel and Emergency Preparedness 1 Pack Blue
- Price
- $13.65
- Rating
- 4.8/5
- Reviews
- 124,901
- Age
- 14y ago

SteriPen Adventurer Opti UV Water Purifier
- Price
- $105.59
- Rating
- 4.4/5
- Reviews
- 599
- Age
- 16y ago

SteriPen Ultra UV Water Purifier USB Rechargeable
- Price
- $115.05
- Rating
- 4.3/5
- Reviews
- 990
- Age
- 16y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 97% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
40
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
97%
Top 20: 100%
Open market
0%
- SteriPen64%
- Optimus20%
- Katadyn9%
- Aquatabs4%
- LifeStraw3%
- Open — no brand owns it (0%)
Demand
Steripen search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Aug · busiest ÷ quietest = 2.2×
Search terms
Top Steripen search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- steripen30K/yr
- steripen ultra uv water purifier10K/yr
- steri pen5K/yr
- steripen water purifier2K/yr
- steri pen water purifier3K/yr
- steripen ultra2K/yr
Reviews and returns
What reviews say buyers love and hate about Steripen
We read the reviews and the return reasons for every product selling here.
“Far to expensive”
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
Related niches
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 Steripen questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









