myWonder - Fertility Monitor 4+

Calendar on Sensiplan rules

Zevnik Lab d.o.o.

Designed for iPad

    • Free
    • Offers In-App Purchases



myWonder App automatically processes all your data according to the Sensiplan sympto-thermal rules.

myWonder algorithm achieves 99.6% efficiency and 98.2% of effectiveness:
• Increases your chances of getting pregnant 9 times
• Maximizes your chances for conception/contraception
• Requires daily input of basal body temperature, state of mucus and other data necessary for the assessment of fertility
• All data entered is organized and displayed in a standardized medical report
• A report for each cycle can be shared with a gynecologist or advisor for natural family planning
• Facilitates a consultation with an advisor

You can find out more about the method in the book "Naturliche und sicher, Das Praxisbuch, Familienplanung mit Sensiplan, TRIAS Verlag, 2015" and at


The app is free to use for the first three cycles. After the third cycle, purchase of a premium subscription is required to keep on using premium features like daily fertility determination, personalized notifications and standardized medical report.

Our subscription options are:
• 1 month for $4.49
• 1 year for $46.99

Pricing shown is for the United States dollars (USD). Pricing in other currencies and countries may vary.

Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase.

Terms & Conditions:
Privacy Policy:

What’s New

Version 1.2.1

• PDF report icons fix

App Privacy

The developer, Zevnik Lab d.o.o., 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 Not Linked to You

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

  • Health & Fitness
  • Contact Info
  • User Content
  • Sensitive Info

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

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