Flyer Period Tracker 12+

Fertility & Ovulation Calendar

Ofly Tech Co., Ltd.

Designed for iPhone

    • 4.1 • 20 Ratings
    • Free
    • Offers In-App Purchases

iPhone Screenshots


Flyer is a simple and easy to use period tracking APP for iPhone and iPad.

Flyer Period Tracker, your intimate health assistant. The APP is base on scientific research to manage your cycles. Our team has cooperated with gynecologists and natural fertility specialists in the United States to provide professional tips for your health.

We promise to protect your personal data and never use them without your permission.
* We do not sell your data.
* We have never sold your data.
* We will never sell your data.

*Track your cycle and accurately predict your next period, fertile and ovulation day.
*Observe your period condition, When your period is abnormal, such as delayed or prolonged menstrual period, we will promptly remind you.

*You can get non-fertile or fertile predictions on the homepage. Help you to plan for pregnancy better.
*BBT curve can help you track your ovulation signal, there will be your recorded sexual behavior, cervical information, ovulation test and pregnancy test and other information.

* Do you want a boy or a girl in the future? Does the baby look like Dad or Mom? Come and test what you and your lover's baby will be like?

* Including baby prediction, menstrual health, dysmenorrhea and other tests, easily obtain your health status.

*Professional tips are provided daily to care for your health. You also can get some tips to relieve cramps and headaches, etc. Help you have a better condition and more energy every day.
*Women’s health content, including cycle and pregnancy topics, to help you manage your fertility.

*Get health index according to your period condition.
*Show your personalized graphs about your cycle length and symptoms.
*Monitor your health trends, know your health status at any time.

*Intelligently predict the occurrence of the symptom for you. You can learn when common PMS symptoms may occur, such as headache, cramps, breast tenderness, back pain and insomnia, etc.
*Recording your mood and symptoms every day can help us better analyze your health.

Flyer Period Tracker uses HealthKit to synchronize data and supports reading menstrual data, sexual activity, basal bosy temperature, etc.

- Premium features : Unlock All Access, No ads
- Payment: Payment will be charged to your Apple account on confirmation of purchase
- Cancellation: Manage at your Apple Account Settings
- Renewal: Account will be charged for renewal 24-hours before the end of the current period


"I like this app, this app is very useful."

"Thank you, I concieved successfully with the help of this app."

Welcome to join us!

If you run into any trouble, please contact us through email at

If you enjoy the app, feel free to leave us a 5-star rating and review!
We will continue to improve our products and provide you with a high-quality product experience!

Privacy Policy:
Terms of Use:

What’s New

Version 2.9.2

Flyer can predict your next menstrual period and find the day when you are most fertile.

New features in this version:
-Fix some bugs.

Ratings and Reviews

4.1 out of 5
20 Ratings

20 Ratings

应援的一句我觉得很开心吧 ,



App Privacy

The developer, Ofly Tech Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Health & Fitness
  • Contact Info
  • User Content
  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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