Niva Menstrual Calendar
Cycle, Ovulation & Fertility
Free · Designed for iPad. Not verified for macOS.
The menstrual calendar app that understands you. Track your cycle, ovulation, and fertile window. Includes partner mode and birth control reminders.
Niva: Menstrual Calendar, Ovulation, Fertile Window and Women’s Health
Niva is a women’s health app designed for women who want to track their menstrual cycle with accuracy, practicality, and privacy.
Log your period, track ovulation, discover your fertile window, view your fertility days, and understand every phase of your menstrual cycle with a simple, smart, and complete menstrual calendar.
Menstrual calendar. Ovulation. Fertility. Women’s health all in one place.
MENSTRUAL CALENDAR AND SMART PREDICTIONS
With just a few logged cycles, Niva learns from your data and automatically calculates:
* Prediction of your next period
* Prediction of your next menstrual cycle
* Estimated fertile window
* Identification of your fertility days
* Likely ovulation day
* Current cycle phase
* Average cycle length
* Average period length
* Menstrual cycle history
The more records you add, the more accurate the predictions become. Even when adding past periods, the app automatically recalculates all information.
PERIOD TRACKER AND DAILY INSIGHTS
Understand your body better with daily information about each phase of your menstrual cycle.
Receive personalized content about:
* Energy and mood
* Fertility and chances of conception
* PMS symptoms
* Hormonal changes
* Mood changes
* Follicular phase
* Ovulation
* Luteal phase
* Upcoming period
* Women’s well-being
Everything explained in simple, welcoming, and easy-to-understand language.
MENSTRUAL REPORTS FOR MEDICAL APPOINTMENTS
Generate complete reports of your menstrual history to monitor your women’s health and share it with healthcare professionals.
View and export information such as:
* Logged period dates
* Menstrual cycle length
* Time between periods
* Symptom history
* Mood records
* Logged intimate activity
* Birth control usage
* Patterns observed over time
Bring organized information to medical appointments and track your cycle with more confidence.
BIRTH CONTROL REMINDERS
Never forget your contraceptive method.
Set personalized reminders for:
* Daily birth control pill
* Monthly birth control injection
* Quarterly birth control injection
* Weekly birth control patch
* Vaginal ring
COMPLETE MENSTRUAL CALENDAR
Track everything in one place:
* Logged periods
* Period prediction
* Next menstrual cycle
* Fertile window
* Fertility days
* Ovulation day
* Daily mood
* Menstrual symptoms
* Intimate activity
* Birth control usage
* Menstrual cycle history
Everything organized to make tracking your women’s health easier.
SMART NOTIFICATIONS
Receive personalized alerts at the most important moments of your menstrual cycle:
* Pre-ovulation
* Ovulation
* Post-ovulation
* Luteal phase
* Pre-menstruation
* Predicted period start
* Birth control reminders
* Fertile window alerts
* Important information about each cycle phase
WHO NIVA IS FOR
* Women who want to track their menstrual cycle
* Those looking for a reliable menstrual calendar
* Those looking for a complete period tracker
* Women trying to get pregnant
* Women who want to identify their fertile window
* Those who want to track ovulation
* Birth control users who need reminders
* Women who want to log PMS symptoms
* Couples who want to better understand the female cycle
* Those who want to take better care of their women’s health
Download Niva and have a smart menstrual calendar to track your period, predict ovulation, identify your fertile window, and take care of your women’s health every day.
Ratings & Reviews
Dear community, in this new version of Niva we’ve introduced improvements to make your menstrual tracking even simpler and more accurate:
* Performance improvements for a faster and more stable app.
* Adjustments to cycle, ovulation, and fertile window predictions.
* General bug fixes and overall experience improvements.
The developer, Bruno Dias, 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:
- Identifiers
- Sensitive Info
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
- Usage Data
- Sensitive Info
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Bruno Dias
- Size
- 66.9 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 3 more
- English, German, Italian, Portuguese
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Messaging and Chat
User-Generated Content
Health or Wellness Topics
- Copyright
- © 2026 Niva. Todos os direitos reservados.