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App Store Apps > Health & Fitness > Cyclisity TCOYF Cycle Tracker
Cyclisity TCOYF Cycle Tracker icon

Cyclisity TCOYF Cycle Tracker

by TCOYF Applications LLC · Health & Fitness · Free
On the App Store since October 2025 · Data updated 2026-10-13
App Store

Cyclisity TCOYF Cycle Tracker is made and published by TCOYF Applications LLC. AppBrain is an independent app data site and isn't affiliated with TCOYF Applications LLC. The app name, icon, screenshots and description belong to TCOYF Applications LLC and are shown as published on the App Store.

AppBrain's verdict

Loved by users
Rating on App Store
4.84
125 ratings
Last updated
May 7, 2026

Users love it: 4.8 stars from 125 ratings.

Rankings

App Store top charts

App Store Rankings for Cyclisity TCOYF Cycle Tracker

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Releases

Updates seen on the App Store
Version
2.0.2
Launched
October 2025

No changelog data

User feedback

Ratings and reviews on the App Store

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Technology

Found in the app by AppBrain
Price
Free
App size
52.0 MB
Content rating
High

Technologies used by Cyclisity TCOYF Cycle Tracker

About the app and developer

About Cyclisity TCOYF Cycle Tracker

Cyclisity TCOYF Cycle Tracker is a health & fitness app developed by TCOYF Applications LLC.

User Ratings

Cyclisity TCOYF Cycle Tracker is rated 4.84 out of 5 stars. The rating is based on 130 ratings.

App Information

Cyclisity TCOYF Cycle Tracker is freely available from the App Store. The app size is 52.03 MB. The latest version available is 2.0.2. The last update was on May 7, 2026.

Technical Requirements

The app has a content rating of High Maturity. The app has been available on the App Store since October 2025.

Developer information for TCOYF Applications LLC

TCOYF Applications LLC

Address:

Frequently asked questions about Cyclisity TCOYF Cycle Tracker

Is Cyclisity TCOYF Cycle Tracker free?

Yes. Cyclisity TCOYF Cycle Tracker is free on the App Store.

Is Cyclisity TCOYF Cycle Tracker still available?

Yes. Cyclisity TCOYF Cycle Tracker is on the App Store, and the last update we saw was on May 7, 2026.

How large is Cyclisity TCOYF Cycle Tracker?

Cyclisity TCOYF Cycle Tracker is 52.03 MB.

Is Cyclisity TCOYF Cycle Tracker suitable for children?

App Store gives Cyclisity TCOYF Cycle Tracker a high maturity rating. It is meant for adults.

How do people rate Cyclisity TCOYF Cycle Tracker?

Cyclisity TCOYF Cycle Tracker scores 4.84 out of 5 stars, from 125 ratings on the App Store.

Who made Cyclisity TCOYF Cycle Tracker?

Cyclisity TCOYF Cycle Tracker was developed by TCOYF Applications LLC. It is listed in the health & fitness category on the App Store.

What are the best alternatives to Cyclisity TCOYF Cycle Tracker?

People looking at Cyclisity TCOYF Cycle Tracker also look at these health & fitness apps: Tempdrop, Fertility Friend FF Tracker, Every Mother, kegg, FEMM Period Ovulation Tracker.

Share Cyclisity TCOYF Cycle Tracker

Store listing

By TCOYF Applications LLC, from the App Store
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Screenshots by TCOYF Applications LLC, from the the App Store listing
Description by TCOYF Applications LLC Written by the developer, not by AppBrain. Click to read.
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.
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