Today’s fertility tracker tech space is full of tools, each promising support on the journey to conception, reproductive health or hormonal balance. This article compares Oura, Kegg and Proov helping you understand what each offers and how Ovul stands out. Its important to remember that a healthy hormonal balance is not just about fertility. Perimenopause and menopause are directly related to estrogen hormones.

Kegg: Dual-Use, But Intravaginal

Kegg is a 2-in-1 tool that monitors cervical fluid through impedance measurement and supports pelvic floor training. Cervical mucus changes during your menstrual cycle due to elevated estrogen, impedance measurement can detect changes in resistance, which are indicative of elevated estrogen.

Is Your Estrogen in Balance?

Test from home, understand your mood, energy & cycle signals.

Proov: Affordable Hormone Snapshots

Proov uses test strips to detect hormones like Estrogen, LH, PdG, and FSH. It’s starter kits begin at $99 per cycle, or $79.99 if you buy the subscrition. For those with cycle irregularity, PCOS or tracking estrogen beyong fetility, the costs will add up quick. Proov is a good ovulation test, but daily hormonal balance and estrogen testing is not something Proov is designed to do.

Oura: Wellness First, Fertility Later

Oura tracks sleep, temperature, and readiness. Though not a fertility tracker, it may detect ovulation through BBT shifts. It costs $299 plus $5.99/month. Oura can serve as a period tracker, but its not built to support hormonal balance or estrogen hormone tracking and may feel too general for PCOS or perimenopause users.

OVUL: Daily Estrogen Intelligence + AI Prediction

OVUL is the first daily hormone intelligence system that tracks estrogen trends through saliva and uses AI to analyze and predict body responses.

OVUL helps anticipate:

• energy fluctuations
• mood and emotional shifts
• sleep quality
• cravings and appetite
• inflammation
• stress response
• skin changes
• perimenopausal symptoms

Unlike traditional trackers, OVUL builds a personalized hormonal model that becomes more accurate with daily use.

Scientific foundation: Salivary estrogen trends are supported by multiple PubMed studies as reliable indicators of hormonal phase transitions.

Best for: women who want daily hormone awareness, symptom prediction, and long-term pattern understanding — not just fertility.

ОVUL - Fertility Monitor (Hormone & Ovulation Tracker Device)