Skip to content
From $149.99 · device + 3, 6, or 12 months
HSA/FSA eligible
6-month money-back on the device

4.8 · 127 reviews

Saliva Fertility Tracker + membership

Track estrogen patterns for fertility, perimenopause, and hormone wellness — no strips, no refills. First order is the device plus 3, 6, or 12 months of membership. Daily readings stay in the app.

Membership

Due today $249.99 · device + 12 months included.

Compare what’s included →

💳 HSA/FSA eligible · 6-month money-back on the device

Color: Purple
1
🚚 Free shipping
Ships in 24h
↩ 6-month
money-back guarantee
💳 HSA/FSA
eligible purchase
Ovul saliva tracker device (purple) USB-C charging cable Velvet travel pouch Quick-start guide Then membership months chosen at checkout (3, 6, or 12) Free Ovul AI app (iOS & Android)
Ovul analyzes ferning patterns in saliva, which change throughout the menstrual cycle due to hormonal fluctuations. AI-powered pattern recognition interprets your estrogen trends daily — non-invasive, at home, in under a minute.
Free shipping on all orders — ships within 24 hours. 6-month money-back guarantee: if Ovul isn't right for you, return it for a full refund.
Test in the morning before eating, drinking, or brushing teeth for the most reliable results. Use daily — Ovul learns your cycle over time and improves accuracy, even with irregular cycles.
30,000+ferning images train the AI
~40 minresult lands in your app
22 daysa month of testing keeps AI sharp
100%specificity — NLM-indexed study

Why Ovul

Ovul. See your cycle with one drop of saliva.

No more timing your day around urine strips. Ovul is an AI saliva fertility tracker that reads the estrogen-linked patterns in your saliva and learns your unique cycle over time, simply and naturally.

  • ✅ No urine cups or strips
  • ✅ Reusable daily testing, no refills ever
  • ✅ Estrogen-linked saliva ferning, a method studied for decades
  • ✅ Personalized AI cycle insights that sharpen with use
  • ✅ HSA/FSA eligible
  • ✅ Device plus 3, 6, or 12 months of membership

From $149.99. Device + 3, 6, or 12 months. Membership is what keeps daily AI readings and your cycle history in the app. You keep the device.

Informational only. Ovul is a lifestyle device, not a diagnostic, and does not replace medical care.

Ovul app showing estrogen insights next to the device
What your mornings look likeDAILY
Test time< 1 min
Result via WiFi~40 min
Refills neededZero

What’s included

Same device. Different months.

Every first order is the Ovul kit — device, pouch, cable, and the app. The only difference is how many months of daily readings come with it.

Ovul kit with device, box, and travel pouch

First order

3 months

$149.99$50.00/mo

  • Ovul device, pouch, and USB-C cable
  • 3 months of app readings included
  • AI estrogen & fertile-window analysis
  • Free shipping · HSA/FSA eligible
Ovul app on a phone next to the saliva tracker

First order

6 months

$189.99$31.67/mo

Save $110 vs 3-month pricing

Everything in 3 months, plus…

  • 6 months of app readings included
  • More cycle history for the AI to learn from
  • Covers the full 6-month money-back window
Best value Ovul saliva tracker device

First order

12 months

$249.99$20.83/mo

Save $350 vs 3-month pricing

Everything in 6 months, plus…

  • 12 months of app readings included
  • $20.83/mo — lowest first-year cost
  • A full year of estrogen trends in one order

Designed for every stage of your hormonal journey

Get Pregnant Faster Track Your Cycle PCOS Support Postpartum Recovery Irregular Cycles Menopause Transition Natural Family Planning

Comparative analysis

Ovul vs. other fertility tracking methods

Ovul
Urine sticks
Mucus analyzers
Non-invasive
✓ Saliva sample
✓ Urine sample
✕ Vaginal insertion
Convenience
✓ Anywhere, anytime
✕ Requires privacy
✕ Requires privacy
Continuous monitoring
✓ Multiple times daily
✕ Once per day
✕ Daily insertion
Sustainability
✓ No waste
✕ Plastic waste
✓ No waste
Cost per year
From $149.99
Refills add up
Device + refills

“This device is a convenient, cost-effective, non-invasive and simple way to determine ovulation. It is absolutely safe and understandable for every woman.”

Chaika Oksana
OBGYN

Customer reviews

4.8 · 127 reviews

5 star
83% (10)
4 star
17% (2)
3 star
0%
2 star
0%
1 star
0%
"I'm not super into tracking things, but this is easy enough that I actually keep up with it. That says a lot."
Leah Warden · Verified buyer
"Not gonna lie, I was confused the first couple of days. But once you get it, it's actually really cool. I like that it connects estrogen to what I'm feeling, not just dates."
Brittany · Verified buyer
"Good product overall. Clean design, easy process. I like that it helps connect how I feel with what's happening hormonally."
Lauren · Verified buyer
"Very easy to use and surprisingly fast. I wish I had this earlier when I was trying to understand my cycle. Definitely recommend if you want something simple."
Anonymous · Verified buyer
"Trying to conceive can be overwhelming. Ovul helped me understand my timing better without stress. It became part of my routine and honestly gave me peace of mind."
Jessica T. · Verified buyer

Also available

Perimenopause monitor
AI Saliva-based Perimenopause Hormone Monitor + membership
From $149.99

HSA/FSA eligible

Ovul app
Ovul AI App — free with every device
AI ovulation detection, daily estrogen trends, cycle insights.
App Store · Google Play

Before you add to cart

Yes, Ovul is ideal when trying to conceive. It's a digital ovulation tracker and hormone tracker device that helps identify your most fertile days by monitoring saliva changes.
Yes. Ovul's AI learns your unique estrogen patterns, detecting shifts that urine strips often miss with irregular cycles and PCOS — and it's especially helpful during perimenopause.
No, Ovul is not FDA approved as a contraceptive. However, it can help women practicing natural family planning (NFP) by showing fertile and infertile phases.
You're covered by the 6-month money-back guarantee: if Ovul does not help you better understand your cycle, return it for a refund of the device. Membership charges are non-refundable. Use Ovul at least 22 days a month so the AI has enough data to learn your pattern.

All 15 FAQs → · Guarantee details →