Others • Classic technology
Nanogold technology
How it works
Tiny gold particles in the tracker react when they sense hormones. In traditional OPKs, you see this reaction with your eyes. Modern trackers use your smartphone’s camera.
Fluorescent technology
How it works
The fluorescent label “lights up” when it detects hormones. This bright signal it produces makes it more sensitive and precise, making even tiny hormone changes visible.
Cameras are not optimized, not calibrated, and not validated to ensure consistent and precise measurements.
Instead of seeing a line, special equipment detects the fluorescent label. That makes readings much more precise, sensitive and reliable.
Powerful AI—for the modern hormone health journey.
Your AI-powered hormone dashboard, trained on over 1.3M cycles, turns your daily hormone data into life-changing insights.
21.000.000
hormone test results, and counting.
A one-time investment for every milestone
Mira makes headlines—and thousands of users happier.
Designed to give you a lab-like experience from home, Mira delivers the accuracy you've been looking for.
4.7
2206 reviews
Highest Rated Fertility Monitor
health
Winner
The Best for Irregular Cycles
Every Woman Needs One. "This monitor has helped me tremendously with managing my PCOS symptoms. Life-changing, not just for fertility.
@Mary L.
*based on a 2024 Mira survey
what to expect
Winner
The Best for Irregular Cycles
130K+
users
Trusted by 130,000+ women across 115 countries
“Mira is a game-changing tool—it seems to be the best of all worlds to improve the fertility experience”
Gary S. Nakhuda
MD, FACOG OB/GYN, Reproductive Endocrinolog
Olive Fertility
Never going back to OPKs!!! ”I have been using Mira to track my cycles for 2 years now and know EXACTLY when I ovulate. I literally cannot say enough good things. If you are TTC, BUY IT!!
@Lauren R.
84%
of women
got pregnant during their first 6 cycles of using Mira
4.7
2206 reviews
Highest Rated Fertility Monitor
what to expect
Winner
The Best Fertility Tracker of 2025
“Mira is a game-changing tool—it seems to be the best of all worlds to improve the fertility experience”
Gary S. Nakhuda
MD, FACOG OB/GYN, Reproductive Endocrinolog
Olive Fertility
Never going back to OPKs!!! ”I have been using Mira to track my cycles for 2 years now and know EXACTLY when I ovulate. I literally cannot say enough good things. If you are TTC, BUY IT!!
@Lauren R.
Every Woman Needs One. "This monitor has helped me tremendously with managing my PCOS symptoms. Life-changing, not just for fertility.
@Mary L.
health
Winner
The Best for Irregular Cycles
130K+
users
Trusted by 130,000+ women across 115 countries
84%
of women
got pregnant during their first 6 cycles of using Mira
Let’s compare Mira VS Other Fertility Trackers
Mira Hormone Monitor | Inito Starter Kit | Proov Complete Kit | The Oova Kit | Modern Fertility Ovulation Test | Clearblue Fertility Monitor | Kegg.tech | Ava | ||
---|---|---|---|---|---|---|---|---|---|
How does it work? | Urine testing | Urine testing | Urine testing | Urine testing | Urine testing | Urine testing | Cervical fluid testing | Wearable | |
Technology | Fluorescent | Nanogold | Nanogold | Nanogold | Nanogold | Nanogold | Cervical mucus tracking | Sensor testing | |
What hormones does it test | LH, E3G, PdG, FSH | LH, E3G, PdG, FSH | LH, E1G, PdG, FSH | LH, E3G, PdG | LH | LH, E3G |
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Starter Kit Price | $199-259 | $149 | $99.99 | $159 | $16 | $103 | $259 | $279 | |
Restock price | $45-89 | $49 | $99.99 | $159 | $16 | $58.55 |
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Buy Now |
Every journey matters. Invest in certainty.
Reach your goals with trailblazing technology. With fluorescent technology, Mira lights the way, providing clarity for your unique hormone journey.
Every journey matters. Invest in certainty.
Reach your goals with trailblazing technology. With fluorescent technology, Mira lights the way, providing clarity for your unique hormone journey.


Mira Hormone Monitor: Max Kit









