Best Natural Cycles Free Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated September 2026

If you already know Natural Cycles, this is the deeper bench. 250+ natural cycles free apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Natural Cycles Free Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Natural Cycles: Fertility AppNatural Cycles: Fertility AppFree4.8★ (30K)YesYesSep 2026
2Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoSep 2026
3Cycles: Period & Cycle TrackerCycles: Period & Cycle TrackerFree4.7★ (27K)NoYesSep 2026
4Phase by The Seed CyclePhase by The Seed CycleFreeYesNoMay 2026
5Seed CyclingSeed CyclingFreeNoNoMay 2026
6Selene Moon CycleSelene Moon CycleFreeNoYesAug 2026
7Snuggs: Period & Cycle TrackerSnuggs: Period & Cycle TrackerFreeNoYesAug 2026
8Serenes LiteSerenes LiteFreeNoNoMay 2026

Top Picks for Natural Cycles Free

Natural Cycles: Fertility App#1

Natural Cycles: Fertility App by NaturalCycles Nordic AB

Ovulation Tracker・FDA-cleared
Editor's Choice
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#29in Health & Fitness
Natural Cycles: Fertility App screenshot 1
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This app helps women track their hormonal health and fertility using body temperature data. It offers hormone-free contraception, pregnancy planning, and insights into various cycle stages. It adapts to individual cycles, even irregular ones, providing daily fertility status.

What We Love

  • 👍 Teaches users about their cycle
  • 👍 Helps users understand their body
  • 👍 Provides a natural contraceptive option
  • 👍 Accurate in predicting ovulation and periods
  • 👍 Empowers users to take control of their fertility
  • 👍 Improves mood and reduces side effects compared to hormonal birth control
  • 👍 Useful for both preventing and planning pregnancy
  • 👍 Detailed data and insights about user's cycle

Room to Improve

  • 🐛 Inconsistent in predicting ovulation and periods for some users
  • 🐛 Thermometer issues (loud, hard to read, no Bluetooth connectivity)
  • 🐛 Difficult to use for users with irregular cycles or disrupted sleep schedules
  • 🐛 Lack of customer support responsiveness
  • 🐛 Automatic subscription renewal issues and no refunds
  • 🐛 Algorithm not always accurate, leading to unintended pregnancies
  • 🐛 Cluttered and unintuitive app interface
Ovia Cycle & Pregnancy Tracker#2

Ovia Cycle & Pregnancy Tracker by Ovuline, Inc.

Fertility, Ovulation, & Period
Strong Contender
🏥 Medical
4.8😊(90K ratings)
Free
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Ovia Cycle & Pregnancy Tracker screenshot 6

Track your menstrual cycle, fertility, pregnancy, postpartum recovery, and menopause with personalized insights and expert articles. This app offers tools for ovulation prediction, baby growth tracking, and symptom management.

What We Love

  • 🚀 Excellent app
  • 👍 Comprehensive tracking
  • 💡 Helpful for TTC
  • 👍 Accurate predictions
  • 👍 Informative articles

Room to Improve

  • 🐛 Glitched/not working
  • 🐛 Inaccurate predictions
  • 💡 Need option to track miscarriage
  • 💡 Too pregnancy-focused
  • 🐛 Lost user data
Cycles: Period & Cycle Tracker#3

Cycles: Period & Cycle Tracker by Perigee

Fertility & Ovulation Calendar
Worth Considering
💪 Health & Fitness
4.7😊(27K ratings)
FreeIn-App Purchases
Cycles: Period & Cycle Tracker screenshot 1
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Cycles: Period & Cycle Tracker screenshot 3
Cycles: Period & Cycle Tracker screenshot 4
Cycles: Period & Cycle Tracker screenshot 5
Cycles: Period & Cycle Tracker screenshot 6

Track your menstrual cycle, fertility, and ovulation with ease. Log observations, predict fertile days, and manage irregular periods. Offers partner connection and detailed insights for better reproductive health management.

What We Love

  • 🚀 Easy to use
  • 📆 Accurate cycle tracking
  • 🤝 Ability to share with partner
  • 🗓️ Helpful for planning pregnancy
  • ✨ Clean and intuitive design
  • 🔍 Detailed symptom logging

Room to Improve

  • 🐛 Issues with data persistence and syncing
  • 🔧 Confusing interface for editing cycle details
  • 💰 Paid features should be free
  • 🤔 Limited customization options
  • 📊 Lack of advanced analytics and insights

More Natural Cycles Free apps to explore

FAQ about Natural Cycles Free

What are the best natural cycles free apps for iPhone?
Natural Cycles: Fertility App tops our natural cycles free apps ranking as of September 2026, with a 4.8-star average from 30K App Store ratings, and it's free to download.
Natural Cycles: Fertility App shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ natural cycles free apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The app uses your body temperature to track ovulation, helping you identify fertile days for preventing or planning pregnancy. It offers a hormone-free contraception method and provides insights into different stages of your reproductive health, including postpartum and perimenopause.
The app is scientifically proven to be 93% effective with typical use and 98% effective with perfect use. It's important to note that no birth control method is 100% effective, and it does not protect against STIs.