Niva Menstrual Calendar
Not in any tracked top chart right now.
Updated 19 Oct 2026 · rankings refresh through the day
DeveloperBruno Dias
CategoryHealth & Fitness
PriceFree
Released
Rating★ 5.0 (6)
Version1.0.15
Age rating12+
First seen by us
12 Oct 2026
Installs (est.)100+ worldwide
Rating
5.0 ★
6 ratings
Measured
Niva Menstrual Calendar on the App Store
App details
App ID
6773578694
Publisher
Bruno Dias
On the store since
Jun 2026
Under a year
Minimum OS
iOS 15.6+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
1 content note below
Languages
4
EN DE IT PT
Size
67 MB
Also listed in
Lifestyle
Content notesInfrequent/Mild Medical/Treatment Information
Niva Menstrual Calendar downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
6 ratings
Measured
Ratings
6
Measured
About Niva Menstrual Calendar
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
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
Latest updates
1.0.15
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.