Best Aab Crb Apps

198+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

AAB and CRB Events is the household name in aab crb, but it's far from the only option. We track 198+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Aab Crb Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AAB and CRB EventsAAB and CRB EventsFreeNoNoMay 2026
2Natural Cycles Fertility AppNatural Cycles Fertility AppFree4.8★ (30K)YesYesAug 2026
3Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (58K)NoYesAug 2026
4Ovia Cycle & Pregnancy TrackerOvia Cycle & Pregnancy TrackerFree4.8★ (90K)NoNoAug 2026
5Just a Baby: Become a parentJust a Baby: Become a parentFree4.4★ (3.4K)NoYesAug 2026
6Prelude ConnectPrelude ConnectFree3.7★ (912)NoNoAug 2026
7Fertility Friend FF TrackerFertility Friend FF TrackerFree4.8★ (7.3K)NoYesAug 2026
8Pregmate Ovulation TrackerPregmate Ovulation TrackerFree4.9★ (12K)NoYesAug 2026

Top Picks for Aab Crb

Natural Cycles Fertility App#2

Natural Cycles Fertility App by NaturalCycles Nordic AB

Decode your hormonal health
Strong Contender
💪 Health & Fitness
4.8😊(30K ratings)
FreeAdsIn-App Purchases
#32in Health & Fitness
Natural Cycles Fertility App screenshot 1
Natural Cycles Fertility App screenshot 2
Natural Cycles Fertility App screenshot 3
Natural Cycles Fertility App screenshot 4
Natural Cycles Fertility App screenshot 5
Natural Cycles Fertility App screenshot 6

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

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
Premom-Ovulation Tracker, PCOS#3

Premom-Ovulation Tracker, PCOS by Easy Healthcare Corporation

Fertility, Period & Pregnancy
Worth Considering
💪 Health & Fitness
4.8😊(58K ratings)
FreeIn-App Purchases
#63in Health & Fitness
Premom-Ovulation Tracker, PCOS screenshot 1
Premom-Ovulation Tracker, PCOS screenshot 2
Premom-Ovulation Tracker, PCOS screenshot 3
Premom-Ovulation Tracker, PCOS screenshot 4
Premom-Ovulation Tracker, PCOS screenshot 5
Premom-Ovulation Tracker, PCOS screenshot 6

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility to increase chances of conception. It offers personalized insights, expert guidance, and tools like BBT charting and ovulation test scanning. Users can also track pregnancy progress and connect with a supportive community.

What We Love

  • 🚀 Accurate ovulation tracking
  • 👍 Easy to use app
  • 💡 Helpful community support
  • 🚀 Affordable ovulation tests

Room to Improve

  • 🐛 Inconsistent data tracking
  • 🐛 Frequent app crashes
  • 🐛 Inaccurate ovulation predictions

More Aab Crb apps to explore

4
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Fertility, Ovulation, & Period
Free

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.

Period & Fertility calendarPregnancy tracker with baby growthPostpartum recovery modes
🏥 Medical
(90K)
free with in-app purchases
5
Just a Baby: Become a parent
Just a Baby: Become a parent
Just a Baby: Become a parent
Find people, make babies
Free

Connect with individuals worldwide for surrogacy, donation, or co-parenting. Find sperm donors, egg donors, surrogates, or co-parents to help you start or grow your family. You can also help others achieve their dreams of parenthood.

Connect with donors, surrogates, and co-parentsSwipe-based matching systemLocal and global search filters
🌐 Social Networking
(3.4K)
freemium
6
Prelude Connect
Prelude Connect
Prelude Connect
Prelude Fertility
Free

Manage your fertility journey with this app, offering an interactive calendar, direct messaging with your care team, and 24/7 access to your account. Track medications, appointments, and receive important notifications to stay on course.

Interactive fertility calendarCare team messaging24/7 account portal access
🏥 Medical
(912)
free
7
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Fertility Friend FF Tracker
Ovulation Cycle & Fertile Days
Free

This app helps women track their ovulation and fertile days with advanced charting tools. It provides personalized insights into your cycle, helping you understand your fertility signs and maximize your chances of conception. Millions of women trust it for accurate cycle analysis and pregnancy tracking.

Ovulation detectionFertile window predictionBBT and cervical fluid tracking
💪 Health & Fitness
(7.3K)
freemium
8
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Period • Fertility Test Reader
Free

Easily track ovulation, predict fertile days, and understand your cycle. Scan test strips with your phone's camera for automatic analysis. Get personalized insights and reminders to maximize your chances of conception.

Accurate ovulation predictionsTest strip reader with auto-detectionPersonalized fertility window tracking
💪 Health & Fitness
(12K)
free with in-app purchases
9
Menstrual Calendar FMC
Menstrual Calendar FMC
Menstrual Calendar FMC
Period Tracker, Fertile Days
Free

This app helps you track your menstrual cycle, predict periods and fertile days, and record wellness data. It offers customizable tracking, discreet notifications, and privacy features for personal cycle management.

Period and flow recordingMood and wellness trackingFertility sign logging
💪 Health & Fitness
(190)
free
10
Glow Ovulation & Period App
Glow Ovulation & Period App
Glow Ovulation & Period App
FDA Listed Fertility Tracker
Free

Track your menstrual cycle, ovulation, and fertility signs with personalized insights. Improve your chances of getting pregnant and better understand your body. Connect with a supportive community for advice and shared experiences.

Menstrual cycle trackingOvulation predictionFertility sign tracking
💪 Health & Fitness
(74K)
freemium
11
Spot On Period Tracker
Spot On Period Tracker
Spot On Period Tracker
Birth Control & Cycle Calendar
Free

Easily track your menstrual cycle, predict your period and fertile windows, and manage birth control with discreet reminders. Get support and resources from health experts.

Period and fertility trackingBirth control remindersSymptom logging
💪 Health & Fitness
(15K)
free
12
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Kindara: Fertility Tracker
Ovulation & fertility tracker
Free

Understand your menstrual cycle and reproductive health with science-backed tools. Track fertility signs, get data-driven predictions, and connect with a supportive community. Ideal for managing fertility, pregnancy planning, or discussing health with your doctor.

Fertility sign tracking (BBT, cervical mucus, etc.)Data-driven fertility and period predictionsCustomizable data fields
🏥 Medical
(10K)
freemium
13
Femometer Fertility Tracker
Femometer Fertility Tracker
Femometer Fertility Tracker
Ovulation & Period Calendar
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.

Period and PMS trackingOvulation and fertile window predictionBasal Body Temperature (BBT) charting
💪 Health & Fitness
(70K)
free with in-app purchases
14
Planned Parenthood Direct℠
Planned Parenthood Direct℠
Planned Parenthood Direct℠
Birth Control—Delivered
Free

Access reproductive health services and prescriptions from home. Get birth control, emergency contraception, and UTI treatment delivered or picked up at a pharmacy. Consult with clinicians and receive care privately and affordably.

Birth control deliveryPharmacy pickup optionsEmergency contraception
🏥 Medical
(1.5K)
free with in-app purchases
15
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
Track Baby Daily & Get Rewards
Free

This app helps you track your pregnancy week-by-week, monitor your baby's development, and access expert advice. It also offers a loyalty program for exclusive discounts and a community forum for support.

Week-by-week pregnancy tracking3-D fetal development videosLoyalty program for discounts
🏥 Medical
(294K)
free with in-app purchases
16
eIVF Patient
eIVF Patient
eIVF Patient
by PracticeHwy.com, Inc.
Free

Manage your fertility health and treatment journey on your mobile device. Access your treatment protocols, lab results, and communicate securely with your clinic. Keep track of appointments and prescriptions.

Access treatment protocols and flowsheetView lab resultsSecure clinic communication
🏥 Medical
(5.4K)
free
17
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Inito Fertility & Ovulation
Smartest Ovulation Tracker!
Free

This app tracks fertility and ovulation by measuring four key hormones. It identifies your most fertile days and confirms ovulation, personalizing insights for regular and irregular cycles. Get detailed results and cycle insights with this smart fertility monitor and app.

Tracks 6 fertile daysConfirms ovulationMeasures 4 fertility hormones
💪 Health & Fitness
(4.2K)
free with in-app purchases
18
MyFlo® Period Tracker Calendar
MyFlo® Period Tracker Calendar
MyFlo® Period Tracker Calendar
Cycle Syncing® & Ovulation
Free

This app helps women understand and optimize their hormonal health by tracking menstrual cycles, predicting ovulation, and offering personalized guidance for diet, exercise, and mood. It supports natural symptom management for various conditions and empowers users to sync their lives with their cycle phases.

Period and ovulation trackingCycle syncing plannerPersonalized health guidance
💪 Health & Fitness
(14K)
subscription
19
Glow Eve Period Tracker
Glow Eve Period Tracker
Glow Eve Period Tracker
Ovulation & Flow App
Free

This app helps women track their menstrual cycles, predict periods and ovulation, and log moods and symptoms. It offers insights into health trends and a supportive community for discussing sexual health.

Period and ovulation predictionMood and symptom loggingHealth data visualization
💪 Health & Fitness
(114K)
freemium
20
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Ovulation & Fertility Calendar
Free

This app helps women and people with cycles understand their bodies through period tracking, fertility predictions, and health insights. It offers personalized forecasts, tracks over 100 experiences, and provides science-based content. Connect wearables for advanced health analysis.

Personalized period predictionsTrack 100+ cycle-related experiencesFertility and ovulation calculator
💪 Health & Fitness
(400K)
free with in-app purchases

FAQ about Aab Crb

Are there free aab crb apps for iPhone?
Yes — 20 of the top aab crb apps we rank are free to download, including AAB and CRB Events and Natural Cycles Fertility App.
AAB and CRB Events has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 198+ aab crb apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.