"Why are period apps so complicated and why do they need my email? Period is simple, discreet and my data never leaves my phone." - Ruth S.
Period. is the world’s simplest free ovulation, fertility and period calculator. Get a detailed overview of your entire cycle - record your period and monitor your fertility symptoms get more accurate fertility predictions. Keep track of your menstrual cycle and reproductive health, get notifications when you start your fertile phase, expect the next period to start or miss a period. It’s the simplest app for tracking your period and ovulation - PERIOD.
Period. app is safe for people of all religions since it tracks natural fertility symptoms also known as the Billings method developed in the 1950s.
SMART FERTILITY & OVULATION TRACKING:
Powerful and accurate period cycle prediction algorithm
SMART ALGORITHM - Learns each time you log your menstrual cycle to give the most accurate data
Smart notifications lets you know when you’re ovulating
Tracks weight, flow, intimacy and temperature
Real cycle lengths (we know not everyone menstruates every 28 days)
THE SIMPLEST PERIOD LOG OUT THERE:
Accurate period, ovulation and fertility tracker with a learning ability
Enter data about your symptoms and sexual activity along with your temperature
See predictions 3 or more months in advance
Know exactly when your next period will be
Take daily notes of symptoms, birth control pills and intimacy
LEARN & UNDERSTAND YOUR MENSTRUAL CYCLE
A whole section with common questions you were afraid to ask, explaining every detail about your menstrual cycle, regularly update with new questions and answers.
EFFICIENT, EFFECTIVE and EASY TO USE:
Detailed overview and data that’s easy to read
Easy and elegant scrolling though options and different parts of the app
User friendly - master using the app in less than a few minutes
HOW TO USE
Just remember PIP and PUF: Pink for Period, Purple for Fertility. Calendar shows predicted menstrual cycles with outlines, while full colored ones are your own inputs.
Terms of Service
What's New in Version 2.0.3
Thank you for your comments and reviews, we appreciate it!
This version includes a fix for dark mode and various stability and UI improvements.
We are reading your comments and making fixes and improvements, this update reflects that and more updates will be coming soon. Stay healthy!
VPP Device Licensing
iOS 10.3 or later
iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2nd generation), iPad (4th Generation) (Wi-Fi), iPad (4th Generation) (4G), iPad (5th Generation) Wi-Fi, iPad (5th Generation) Wi-Fi + Cellular, iPad (6th generation) Wi-Fi, iPad (6th generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9.7-inch), iPad Pro (9.7-inch) (Cellular), iPad Pro 12.9-inch (2nd generation), iPad Pro 12.9-inch (2nd generation) Wi-Fi + Cellular, iPad Pro (10.5-inch), iPad Pro (10.5-inch) Wi-Fi + Cellular, iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro 12.9-inch (3rd generation), iPad Pro 12.9-inch (3rd generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5th Generation), iPad mini (5th Generation) Wi-Fi + Cellular, iPad (7th generation) Wi-Fi + Cellular, iPad Pro 11-inch (2nd generation), iPad Pro 11-inch (2nd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (4th generation), iPad Pro 12.9-inch (4th generation) Wi-Fi + Cellular, iPod touch (6th Generation), iPod touch (7th generation)