Comparison

Fertility Friend FF Tracker vs SmileReaderA Ovulation tracker

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

SmileReaderA Ovulation tracker

This app helps users track ovulation and menstrual cycles to increase the chances of conception. It allows for image scanning of ovulation tests, logging of daily metrics like temperature and mood, and sharing information with a partner. The goal is to personalize family planning and identify peak fertility windows.

Highlights
  • Ovulation test image scanning
  • Pregnancy test logging
  • Personalized ovulation calendar
  • Daily log for BBT, mucus, mood, weight
  • Information sharing with partner
  • Fertility window estimation
Features
Read full description

SmileReader: Personalize your Family Planning We helps you get pregnant faster. The app helps you map everything out so you know when you have your best chances of conceiving. **App Features - Ovulation Tests: When you take pictures of our ovulation tests, you get to track the results directly inside this app. Map out your cycles and know exactly when you are ready to conceive. - Pregnancy Tests: We also provide pregnancy tests as well, which can be logged inside this app. - Ovulation Calendar: Track your personal period calendar so you know when you are at peak ovulation for the best chances of a pregnancy. - Image Scanning: Quickly scan the results of your SmileReader tests with the app. We then use technology to configure them into your own cycle. - Daily Log: You can also use the app to log in basal body temperature, changes in your cervical mucus, and even your mood and weight to increase the accuracy of prediction. - Information Sharing: Share information, dates, and ovulation info with your partner so they can be in-the-know as well. **How to Use 1. Enter your latest menstrual cycle. 2. Find out your estimated fertility window and the expected date of your next period. ** To detect more accurate fertile days, 1. Start ovulation testing on the date the app suggests. 2. Get reminders from the app to test on time. 3. Take a picture of a test strip, after dipping it in urine. 4. Keep testing until you identify your most fertile days. 5. Record signals of ovulation, moods and body temperature. 6. Monitor your pattern of period and ovulation. 7. Share your information with your partner. **Disclaimer The SmileReader app only works with test strips of PREGABLE. This app is merely designed to help you track your ovulation cycle for your best chances at pregnancy. The app is not a medical device and does not provide medical diagnosis. The index on the app is intended solely for tracking trends, not for providing specific clinical mIU/mL measurements. Please use this data for reference purposes only, and always consult a professional doctor for any medical decisions or health concerns.

Screenshots

Fertility Friend FF Tracker4 screens
SmileReaderA Ovulation tracker4 screens

Verdict

The call

The clearest difference is rating: Fertility Friend FF Tracker at 4.8 against SmileReaderA Ovulation tracker's 2.1. Fertility Friend FF Tracker also leads on review sentiment (79% vs 38%) and ratings volume (7.5K vs 21). SmileReaderA Ovulation tracker's advantage is in-app purchases (none vs 4). On price, ads, 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. SmileReaderA Ovulation tracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fertility Friend FF Tracker holds the better App Store score, 4.8 against 2.1. That said, the two scores are not equally well evidenced: Fertility Friend FF Tracker has 7.5K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 79% of Fertility Friend FF Tracker's written reviews are positive against 38% of SmileReaderA Ovulation tracker's.

UpkeepUpdate frequency

Fertility Friend FF Tracker ships an update weekly, SmileReaderA Ovulation tracker monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Fertility Friend FF Tracker versus SmileReaderA Ovulation tracker: the parameters behind the verdict, then further details
ParameterFertility Friend FF TrackerSmileReaderA Ovulation tracker
PriceFreeFree
Rating4.8 (7.5K ratings) — better2.1 (21 ratings)
Positive reviews78.8% of reviews — better37.5% of reviews
Number of ratings7.5K — better21
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size33 MB132 MB
Age rating17+12+
DeveloperTamtris Web Services Inc.Smilelab Corp.

Customer experience

Fertility Friend FF Tracker

All ratings7,442 ratings
Positive96.1%
Neutral1.6%
Negative2.3%
Written reviews386 reviews
Positive78.8%
Neutral7.0%
Negative14.2%

SmileReaderA Ovulation tracker

All ratings21 ratings
Positive28.6%
Neutral0.0%
Negative71.4%
Written reviews8 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

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

SmileReaderA Ovulation tracker

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

SmileReaderA Ovulation tracker

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 SmileReaderA Ovulation tracker free?
SmileReaderA Ovulation tracker is free to download, with no in-app purchases.
Which has better reviews, Fertility Friend FF Tracker or SmileReaderA Ovulation tracker?
Fertility Friend FF Tracker is rated higher. Fertility Friend FF Tracker averages 4.8 out of 5 from 7.5K ratings, while SmileReaderA Ovulation tracker averages 2.1 from 21 ratings.
Do Fertility Friend FF Tracker or SmileReaderA Ovulation tracker have ads?
Neither Fertility Friend FF Tracker nor SmileReaderA Ovulation tracker shows ads.
Which is updated more often, Fertility Friend FF Tracker or SmileReaderA Ovulation tracker?
Fertility Friend FF Tracker ships an update weekly, and SmileReaderA Ovulation tracker monthly. Most recently, Fertility Friend FF Tracker was updated on November 6, 2026 and SmileReaderA Ovulation tracker on November 3, 2026.

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