Comparison

Cyclisity TCOYF Cycle Tracker vs LadyData

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

Head to head
About

Cyclisity TCOYF Cycle Tracker

This app helps you track your menstrual cycles and fertility using the science-based symptothermal method. It guides you through charting your temperature, cervical fluid, and cervical position, applying established fertility awareness guidelines. Access educational resources and community support to confidently understand your body's natural rhythms.

Highlights
  • Symptothermal cycle tracking
  • Ovulation and period charting
  • Fertility Awareness Method (FAM) guidelines
  • In-app educational references
  • Community forums
  • Privacy-focused data ownership
Read full description

Official cycle & ovulation tracking app of Taking Charge of Your Fertility (TCOYF), co-founded by Toni Weschler, MPH. Carefully crafted by Toni Weschler, MPH - renowned Fertility Awareness Method (FAM) expert and author of the best-selling book Taking Charge of Your Fertility - alongside a passionate team of product designers, developers and physicians, the goal of Cyclisity is simple: be the world's best symptothermal method tracking app. Integrating seamlessly with the 2015 edition of Taking Charge of Your Fertility, Cyclisity follows TCOYF's science-based guidelines to help you confidently track your ovulatory cycles and practice FAM. Because a strong knowledge-base is crucial to practicing FAM correctly, in-app references can guide you back to key educational concepts from the book, ensuring you have ample support on your fertility awareness journey. PAID FEATURES: * Two tracks to choose from (Ovulation and Period Tracking or Pregnancy Achievement) * Ovulation and period tracking chart and calendar * Auto-detection of peak days and coverlines even for tricky thermal shifts (Runs all TCOYF rules automatically, so you can check your work) * Book references to TCOYF at helpful points throughout the app * Community forums rooted in learning and support * More features like charting secondary fertility signs and thermometer integrations coming soon! NO PREDICTIONS. Every woman's ovulatory cycle is unique. That’s why we don’t use predictive algorithms to guess at your fertile window. Instead, we help you chart your waking temperature, cervical fluid, and cervical position, and seamlessly apply the four FAM rules each day as taught in Taking Charge of Your Fertility. No shortcuts. No rhythm method. Just science, your observations, and the tools to help you read them with confidence. YOUR PRIVACY IS OUR COMMITMENT. At Cyclisity, we guarantee you remain the exclusive owner of your data. Rest assured, we will never sell your data, and will never forward it to a third party unless instructed by you. This is partly why we've chosen to self-fund and bootstrap Cyclisity, so we can always advocate for our customers in everything we do. PAYMENT. Please note Cyclisity is not a free app and access to all features requires recurring monthly payments of $2.99 USD or annual payments of $19.99 USD. We charge a subscription in order to maintain Cyclisity while avoiding any need for advertising or selling user data. 1-MONTH FREE TRIAL. Try Cyclisity for free for one month and subsequently with recurring monthly payments of $2.99 USD or annual payments of $19.99 USD. PRIVACY POLICY & TERMS OF SERVICE. www.cyclisity.com/privacy-policy www.cyclisity.com/terms-of-service WEBSITE. www.cyclisity.com SUPPORT. Contact us anytime at support@cyclisity.com or via the account page inside the app. DISCLAIMER. YOU MUST INTERPRET YOUR OWN CYCLES. Although Cyclisity is designed to help make charting your cycles seamless, we are not FDA approved as a medical device and do not provide any medical advice. You must interpret your own data when determining fertile days or non-fertile days.

About

LadyData

This app helps women track their menstrual cycles and fertility. It allows for detailed recording of temperature, symptoms, and other cycle events to understand personal patterns. Designed for those practicing fertility awareness, it offers a clear, private way to monitor reproductive health.

Highlights
  • Cycle tracking
  • Basal body temperature recording
  • Cervical mucus tracking
  • Symptom logging
  • Pattern recognition
  • Privacy-focused design
Features
Read full description

LadyData is not your average period tracker. Designed for women practicing fertility awareness and cycle awareness, this powerful app offers cycle tracking without compromise. Record basal body temperature, cervical mucus, cycle events, and custom symptoms, all in a clean, intuitive charting interface. Perfect for irregular cycles, PCOS/PMOS, and other cycle conditions. https://ladydata.co/legal/privacy https://ladydata.co/legal/terms - Built with privacy in mind - Get clear pattern recognition to understand your cycle - Ideal for users of the Sympto-Thermal Method, Sensiplan, or Taking Charge of Your Fertility - Understand your cycle phases and patterns, with no fluff, ads, or hidden agendas Whether you're learning fertility awareness, tracking for conception, or deepening your body literacy, LadyData is your daily companion in self-knowledge.

Screenshots

Cyclisity TCOYF Cycle Tracker4 screens
LadyData4 screens

Verdict

The call

The clearest difference is monetization model: LadyData at free with in-app purchases against Cyclisity TCOYF Cycle Tracker's subscription. LadyData also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18). Cyclisity TCOYF Cycle Tracker's advantage is ratings volume (101 vs 14). On price, rating, review sentiment and update cadence 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. Cyclisity TCOYF Cycle Tracker sells 2 in-app purchases, starting at $2.99 per month and LadyData sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Cyclisity TCOYF Cycle Tracker against 4.9 for LadyData. That said, the two scores are not equally well evidenced: Cyclisity TCOYF Cycle Tracker has 101 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 96% of Cyclisity TCOYF Cycle Tracker's written reviews are positive against 100% of LadyData's.

UpkeepUpdate frequency

Cyclisity TCOYF Cycle Tracker ships an update monthly, LadyData every 3 weeks. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Cyclisity TCOYF Cycle Tracker versus LadyData: the parameters behind the verdict, then further details
ParameterCyclisity TCOYF Cycle TrackerLadyData
PriceFreeFree
Rating4.8 (101 ratings)4.9 (14 ratings) — better
Positive reviews96.3% of reviews100.0% of reviews — better
Number of ratings101 — better14
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1815.1 — better
Further details — not scored
Size52 MB56 MB
Age rating17+12+
DeveloperTCOYF Applications LLCDance Party

Customer experience

Cyclisity TCOYF Cycle Tracker

All ratings93 ratings
Positive94.6%
Neutral1.1%
Negative4.3%
Written reviews82 reviews
Positive96.3%
Neutral2.4%
Negative1.2%

LadyData

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Cyclisity TCOYF Cycle Tracker

Subscriptions2
  • Monthly plan1 Month trial$2.991 Month
  • Yearly plan1 Month trial$19.991 Year
2 purchases

LadyData

Subscriptions2
  • Monthly Subscription1 Month trial$4.991 Month
  • Annual LadyData Subscription1 Month trial$29.991 Year

Questions

Is Cyclisity TCOYF Cycle Tracker free?
Cyclisity TCOYF Cycle Tracker is free to download, with in-app purchases available.
Is LadyData free?
LadyData is free to download, with in-app purchases available.
Which has better reviews, Cyclisity TCOYF Cycle Tracker or LadyData?
LadyData is rated higher. Cyclisity TCOYF Cycle Tracker averages 4.8 out of 5 from 101 ratings, while LadyData averages 4.9 from 14 ratings.
Do Cyclisity TCOYF Cycle Tracker or LadyData have ads?
Neither Cyclisity TCOYF Cycle Tracker nor LadyData shows ads.
Which is updated more often, Cyclisity TCOYF Cycle Tracker or LadyData?
Cyclisity TCOYF Cycle Tracker ships an update monthly, and LadyData every 3 weeks. Most recently, Cyclisity TCOYF Cycle Tracker was updated on October 11, 2026 and LadyData on September 24, 2026.

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