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Natural Cycles

Fail

The top 5 brands take 100% of clicks, so Natural Cycles is a Fail.

Flapen Score
48
48 / 100
Ranks 7,720 of 14,768 Health & Household niches · −1 vs the category median of 49
Market size
$894K/yr522K searches / yr
90-day growth
-10.5%search demand this quarter
Competition
90%top-5 click share · 4 brands · 9 sellers

Flapen Score

Natural Cycles against its category

The dotted line is the Health & Household average. Past it, Natural Cycles is stronger. Inside it, weaker.

48Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Natural Cycles market on Amazon at a glance

Shoppers on Amazon United States searched for Natural Cycles 522K times last year and spent an estimated $894K. All 4 brands take every click. Demand peaks in Jan. Flapen scores it 48 out of 100, a Fail.

01 · Demand

An estimated 10.5% of those searches ended in a purchase.

Shoppers searched for this 522K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.5% of those searches ended in a purchase. Searches in the last 90 days moved -10.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $894K a year.

Searches, last 12 months
522K
Growth, 90 days vs prior 90
-10.5%
Conversion, latest week
10.5%
Market size, estimated
$894Ka year
Peak month
January2.0× the quietest month
Top search term
basal body thermometer for ovulation171K searches a year

02 · Price

A sale here is worth $16.33.

Listings sell for $16.33 on average, from $7.61 to $38.12. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 6,000 to 8,000 of them. At $16.33 that is $98K to $131K a year per listing.

Average price
$16.33inside the $15 to $100 sweet spot
Price range
$7.61–$38.12
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
50K–60K
Units per listing a year
6,000–8,000
Revenue per listing a year
$98K–$131K
Returns
1.7%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is reviews.

88% 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 #4 within Health Monitors. It carries 13,220 reviews at 4.34 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#4in Health Monitors
Average rating
4.34 starsAmazon United States average 4.42 stars
Average reviews
13,220per listing
Listings tracked
8

04 · Newcomers

0 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 57 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
57 months

Products

Top Natural Cycles 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 90% of clicks. A locked shelf that new listings rarely crack.

Brands

4 falling

Sellers

9

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

0%

  • Brand 157%
  • Brand 221%
  • Brand 316%
  • Brand 46%
  • Open — no brand owns it (0%)

Demand

Natural Cycles search demand

Weekly searches over the year, seasonality beneath. Pick a range.

13K8KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.0×

Search terms

Top Natural Cycles search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • basal body thermometer for ovulation171K/yr
  • bbt thermometer for ovulation83K/yr
  • basal body thermometer80K/yr
  • bbt thermometer34K/yr
  • basal thermometer24K/yr
  • bbt21K/yr
  • basal thermometer for ovulation16K/yr
  • natural cycles16K/yr
  • ovulation thermometer16K/yr
  • basal body temperature thermometer13K/yr

Reviews and returns

What reviews say buyers love and hate about Natural Cycles

We read the reviews and the return reasons for every product selling here.

22%of positive reviews mention “Ease Of Use”
14%of negative reviews mention “Temperature Control”
1.7%of orders come back
“it is a bit complicated to use based on what it does which is simply to take a temperature”
A buyer, on “Temperature Control”14% of negative reviews mention the same topic

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

NegativePositive

FAQ

Common Natural Cycles questions

Answered from the same tracked data.