Comparison

Fertility Friend FF Tracker vs BairnApp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Fertility Friend FF Tracker

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.

Highlights
  • Ovulation detection
  • Fertile window prediction
  • BBT and cervical fluid tracking
  • Period and symptom logging
  • Interactive fertility charts
  • TTC educational library
  • Pregnancy monitoring
Read full description

Track ovulation with confidence with the gold standard fertility charting app, trusted for over 25 years. Fertility Friend helps to accurately find your most fertile days, understand your ovulation pattern, and learn more about your unique cycle. Join the millions of women who have used Fertility Friend while trying to conceive, including over 1 million who recorded positive pregnancy tests in the app. Track your period and key fertility signs (BBT, cervical fluid, OPKs, symptoms). Fertility Friend will automatically create your chart, highlight your fertile window, and provide personalized insights, including when ovulation likely occurred and when to test for pregnancy. Fertility Friend teaches you how to chart, what your signs mean, and gives you the confidence to never miss a fertile opportunity. What’s FREE: - We do not sell or share your data or display ads - 30-day trial of premium features (No credit card, no auto-charge) - Automatic ovulation detection - Use Fertility Friend’s advanced (default) accurate ovulation detector or choose ovulation detection based on the Fertility Awareness Method (FAM) - Interactive fertility chart with coverline and symptom display - Color-coded fertility calendar: see your period, fertile days, ovulation and more at a glance - Detailed and customizable data entry: period, BBT, OPK, CM, symptoms, meds, LH tests… - Sync with Apple Health and Oura (automatic import of temps, heart rate, sleep, and more) - Graphical cycle progress bar/ticker display - Daily data summary - Period tracking - Menstrual cycle statistics: cycle length, phase length, ovulation dates - Extensive TTC educational library: videos, lessons, quizzes, games, articles - Searchable gallery of 240,000+ shared cycles. - View real life BBT charts filtered by keywords - Sharing possibilities (optional) - Dark Mode and custom color themes - Companion access to FertilityFriend.com What’s PREMIUM (Highlights): - All Free features plus - Advanced fertility insights and analysis - More graphs & detailed interpretations - Enhanced data display on chart and calendar - Cycle comparison tools - Pregnancy Monitor - Pregnancy Tracker - Charts “Like Mine” gallery search - Stats display on Chart Gallery searches - Pattern detection - Private, supportive community - Additional expert tools developed over decades Fertility Friend offers unmatched experience, accuracy, and depth to help you understand your cycle with confidence. Important: This app provides educational estimates only and must not be used to avoid pregnancy or schedule medical procedures. Always consult your healthcare provider for medical advice.

About

BairnApp

This app supports parents from pregnancy through toddlerhood, offering tools for tracking development, feeding, sleep, and health milestones. It includes features for prenatal care, newborn logging, infant growth, and toddler development, with caregiver syncing and a focus on usability for tired parents.

Highlights
  • Week-by-week fetal development
  • Kick counter and contraction timer
  • One-tap feeding, diaper, and sleep logging
  • CDC milestone checklist
  • Developmental leap predictor
  • Potty training log
  • Caregiver syncing
Features
Read full description

You forgot which side you fed on. The last diaper is a blur. And it's 3 am. Bairn is here. Bairn is the one app that stays with your family from the very first ultrasound all the way through your toddler's first words. PRENATAL Week-by-week fetal development cards, kick counter, contraction timer with 5-1-1 hospital alert, symptom journal, weight tracker, and appointment scheduler with reminders. Build your birth plan and print it as a PDF. Check off your hospital bag checklist and share it with your partner. NEWBORN (0 to 3 months) One-tap logging, two taps to record any feeding, diaper, or sleep. Breastfeeding timer auto-switches sides. Night mode activates at 8 PM with enlarged tap targets for reliable one-handed operation. Real-time sync across all linked caregivers, so you see who logged what and when, even at 2 AM. INFANT (3 to 12 months) CDC milestone checklist with color-coded flags, developmental leap predictor with 3-day advance alerts, Sweet Spot nap window engine, solids tracker with top-9 allergen checklist, WHO growth chart with percentile overlay, and CDC vaccine tracker with 7-day reminders. TODDLER (12 to 36 months) Potty training log with sticker chart, language development tracker, screen time log with AAP limits, toddler meal planner, picky eater tip library, and preschool readiness checklist. FOR PARENTS Daily mood check-in, Edinburgh Postnatal Depression Scale (EPDS) screener with auto-scored results, and resource referral if you need support. CAREGIVER SYNC Invite up to 4 caregivers per baby (partner, grandparent, nanny, night nurse). Real-time sync across all devices. Every log entry shows who recorded it. BUILT FOR TIRED PARENTS Night mode. One-handed tap targets. Offline logging that syncs when reconnected. Everything is designed to work at 3 am. Bairn. Every little one deserves a great start.

Screenshots

Fertility Friend FF Tracker4 screens
BairnApp4 screens

Verdict

The call

The clearest difference is in-app purchases: BairnApp at none against Fertility Friend FF Tracker's 4. BairnApp also leads on update cadence (every 3 days vs weekly). Fertility Friend FF Tracker's advantage is ads (none vs shown) and ratings volume (7.5K vs 1). On price, rating, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fertility Friend FF Tracker sells 4 one-off in-app purchases. BairnApp asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BairnApp holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Fertility Friend FF Tracker has 7.5K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Fertility Friend FF Tracker ships an update weekly, BairnApp every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Fertility Friend FF Tracker versus BairnApp: the parameters behind the verdict, then further details
ParameterFertility Friend FF TrackerBairnApp
PriceFreeFree
Rating4.8 (7.5K ratings)5.0 (1 ratings) — better
Positive reviews78.8% of reviews—
Number of ratings7.5K — better1
Update frequencyWeeklyEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.0 — better
Further details — not scored
Size33 MB20 MB
Age rating17+4+
DeveloperTamtris Web Services Inc.onticworks.io (AS Peoria LLC)

Bugs and requests

Fertility Friend FF Tracker

Reported bugs

4 issues
  • Unable to create account
  • Randomly deleting custom data
  • Inaccurate ovulation predictions
  • Pregnancy data not transferring

Requested features

5 requests
  • Offline mode with data syncing
  • Integration with Apple Health
  • More affordable subscription options
  • Improved community features
  • Streamlined data entry process

BairnApp

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Fertility Friend FF Tracker

One-time4
  • 30 Days VIP Membership$10.99
  • 90 Days VIP Membership$21.99
  • 1 Year VIP - Special Rate$23.99
Show 1 more
  • 1 Year VIP Membership$45.99
None

BairnApp

No in-app purchases

Questions

Is Fertility Friend FF Tracker free?
Fertility Friend FF Tracker is free to download, with in-app purchases available.
Is BairnApp free?
BairnApp is free to download, with no in-app purchases.
Which has better reviews, Fertility Friend FF Tracker or BairnApp?
BairnApp is rated higher. Fertility Friend FF Tracker averages 4.8 out of 5 from 7.5K ratings, while BairnApp averages 5.0 from 1 ratings.
Do Fertility Friend FF Tracker or BairnApp have ads?
BairnApp shows ads; Fertility Friend FF Tracker does not.
Which is updated more often, Fertility Friend FF Tracker or BairnApp?
Fertility Friend FF Tracker ships an update weekly, and BairnApp every 3 days. Most recently, Fertility Friend FF Tracker was updated on November 6, 2026 and BairnApp on October 31, 2026.

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