Iris: Period & Cycle Tracker
Ovulation & Period Calendar
About
This app offers comprehensive period and cycle tracking with advanced features like irregular cycle detection and personal insight generation. It prioritizes user privacy by keeping all data on the device, avoiding data sharing with advertisers. It also syncs with Apple Health and includes educational content on hormones.
What's New in Iris
2.6.1
July 2, 2026
bug fixes and improvements
In-App Purchases
$2.99
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Developer apps
FAQ
Does Iris have ads?
Yes, Iris contains advertisements. As a free application, it utilizes ads to support its development and continued availability to users.
What is the privacy policy for Iris?
Iris prioritizes user privacy by keeping all cycle data on the device. It states that no server, account, or telemetry is used, and your cycle data never leaves your phone, ensuring no sharing with advertisers.
How accurate are Iris's predictions for irregular cycles?
Iris detects cycle variability and switches to honest prediction ranges instead of single dates for irregular users. It is built for conditions like PCOS and perimenopause, aiming for accurate predictions even when the body doesn't fit standard patterns.
Can Iris sync with other health apps?
Yes, Iris offers bidirectional sync with Apple Health. It can read period history, BBT, sleep, and weight, and write back period days, BBT, LH results, and cervical mucus data to your Health dashboard.
What are the subscription costs for Iris?
Iris is completely free with no subscription required. The app explicitly states 'Every feature free. No subscription.' to differentiate itself from other paid period tracking applications.
How does Iris handle contraceptive use?
Iris includes a Contraceptive Mode that pauses ovulation predictions, labels bleeds as withdrawal bleeds, and adds a daily pill reminder for users on birth control methods like pills or IUDs.
What is the update frequency for Iris?
The latest version of Iris, 2.6.0, was last updated on 2026-06-24. This indicates a relatively active development cycle, with updates likely occurring to improve features and address any issues.
Is Iris suitable for all age groups?
Iris has an age rating of 4+, making it broadly accessible. However, its detailed health tracking features are most relevant and beneficial for individuals who menstruate.