Fertility Trackers

Unlike other basal body thermometers, our medically tested devices combine a sophisticated sensor and a science-backed algorithm with >35 years of development.

Detecting temperature change from hormonal fluctuations to the hundredth of a decimal point.

Across several clinical studies and analysis of over 10 million cycles, our algorithm is proven to pinpoint fertile and non-fertile days with 99.4% accuracy.

2 products
2 products
Sort by:
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old
Daysy - Your personal fertility tracker (incl. free app DaysyDay) Daysy - Your personal fertility tracker (incl. free app DaysyDay)

Daysy - Your personal fertility tracker (incl. free app DaysyDay)

$500.00
$500.00 -17%
$605.00
Lady-Comp - Period wisdom boutique Lady-Comp - Period wisdom boutique

Lady-Comp

$700.00
$700.00 -18%
$858.00