Ovulation & Fertile Days

Do Tri · Health & Fitness

4.3 3 ratings Free

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 26, 2026
Rating ★ 4 → 4.33

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 4 4.1 4.2 4.3 Aug 26 18:39 Aug 27 05:54 Aug 27 17:09 Aug 28 04:25 Aug 28 15:40

Average rating

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 67% 2
4★ 0% 0
3★ 33% 1
2★ 0% 0
1★ 0% 0

Screenshots

About

Track your cycle, predict ovulation, and never miss your most fertile days. Ovulation & Fertile Days helps you understand your body and identify the best time to get pregnant. Whether you’re planning for a baby or simply tracking your cycle, the app gives you clear, simple, and reliable insights. *** KEY FEATURES *** • Ovulation prediction based on your cycle • Fertile window & peak fertility days • Period tracking with history • Cycle length & regularity insights • Confidence level based on your data • Clean, simple, and easy-to-use design *** SMART PREDICTIONS *** The more cycles you track, the smarter your predictions become. Get a confidence level so you know how reliable your results are. *** NOTIFICATIONS *** • Fertile window reminders (Free) • Ovulation alerts (Premium) • Daily reminders during peak days (Premium) *** PREMIUM FEATURES *** • Precise ovulation alerts • Smart notification timing • Daily fertile reminders • Enhanced prediction accuracy *** WHY USERS LOVE IT *** • Simple and easy to use • Clear and helpful insights • Designed for real-life cycle tracking DISCLAIMER This app provides estimates based on cycle data and should not be used for medical or contraceptive purposes. TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Start tracking today and take control of your fertility journey.

What's new · 1.1

Performance improvements and bug fixes for a better experience.

Details

DeveloperDo Tri
ReleasedMar 2026
UpdatedJul 2026
Version1.1
Size7.9 MB
RequiresiOS 17.6 or later
Age rating4+
LanguagesEnglish, French, German, Japanese, Korean, Portuguese, Spanish, Vietnamese
PriceFree
Categories Health & FitnessMedical
Bundle IDTriDo.OvulationCalculator