Cyclisity TCOYF Cycle Tracker vs The Vow Method
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Symptothermal cycle tracking
- Ovulation and period charting
- Fertility Awareness Method (FAM) guidelines
- In-app educational references
- Community forums
- Privacy-focused data ownership
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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.
The Vow Method
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Kick-start your fitness journey with The Vow Method. Together with Christy Cousino, you'll have the best combination of nutrition & exercises available on a single app. With The Vow Method, you can begin your fitness journey in no time. Get a fully personalized workout and meal plan tailored to your fitness goals. Progress tracking gets easier when you log your daily workout, record meals, update your check-ins and connect your fitness band & health kit, and get real-time updates via advanced analytical tools. Everything that contributes to your fitness goals gets captured in one place. To top it all, use the inbuilt 1-1 chat feature to have all your queries addressed on the go. You deserve to be the best. That’s why The Vow Method have packed so many features in a single app to help you achieve your fitness goals. Start your journey today! Features that will help you achieve your fitness goals include: * Personalized Workout Plan: Get a fully personalized fitness plan tailored to your goals, whether it is to gain weight, lose weight, gain muscles, or simply wish to work on your general fitness. * Nutrition, Hydration & Habits: Access meal plans assigned by your coach and log your food intake to keep a close track of your calorie intake and macros. You can also track your hydration, steps and calories burnt on the app. * Instant messaging & video calls - Message your coach in real-time and schedule video sessions directly from the app. Stay connected with your coach to improve compliance and get better results. * Check-ins: Gain complete insight into your overall performance with easy check-ins and real-time updates. * Progress: Stay on top of your progress with powerful analytics. * Wearable integration: Get the bigger picture of your progress by connecting your fitness band & health kit thereby enabling real-time updates. Note regarding Apple Health: The app integrates with Apple Health to show your daily activity - distance, steps, active energy, and flights to help you better achieve your goals. App also uses Apple Health to track energy burned and heart rate during a workout session, if an Apple Watch is used. Workout metrics are shared with the coach to better design your workout schedule. DISCLAIMER: Users should seek a doctor’s advice before using this app and making any medical decisions.
Screenshots
Verdict
The clearest difference is in-app purchases: The Vow Method at none against Cyclisity TCOYF Cycle Tracker's 2. The Vow Method also leads on iOS requirement (15.0 vs 18). Cyclisity TCOYF Cycle Tracker's advantage is update cadence (monthly vs every 3 months). On price, ads and device support 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
Both are free to download. Cyclisity TCOYF Cycle Tracker sells 2 in-app purchases, starting at $2.99 per month. The Vow Method asks for nothing beyond the download.
Cyclisity TCOYF Cycle Tracker ships an update monthly, The Vow Method every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Cyclisity TCOYF Cycle Tracker | The Vow Method |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (125 ratings) — better | — |
| Positive reviews | 96.3% of reviews | — |
| Number of ratings | 125 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18 | 15.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 135 MB |
| Age rating | 17+ | 17+ |
| Developer | TCOYF Applications LLC | Christy Cousino |
In-app purchases
Cyclisity TCOYF Cycle Tracker
- Monthly plan1 Month trial$2.991 Month
- Yearly plan1 Month trial$19.991 Year
The Vow Method
No in-app purchases
Questions
Is Cyclisity TCOYF Cycle Tracker free?
Is The Vow Method free?
Do Cyclisity TCOYF Cycle Tracker or The Vow Method have ads?
Which is updated more often, Cyclisity TCOYF Cycle Tracker or The Vow Method?
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