About
A private, offline period tracker focused on digital minimalism. It offers a clean interface, smart predictions, and gentle reminders, with all data stored locally on your device. Enjoy a permanently ad-free experience with a one-time purchase for lifetime access.
What's New in LunaDay
1.4.4
August 22, 2026
fix some problem
In-App Purchases
$0.99
永久会员权益
永久广告，可增加条目无限制，数据备份和恢复，可预测未来经期
FAQ
Does LunaDay have ads?
No, LunaDay is permanently ad-free. The app maintains a clean interface without pop-ups or banners, ensuring an uninterrupted user experience for all users.
How much does LunaDay cost?
LunaDay offers a fair one-time purchase for a "Lifetime Membership." This provides access to all features forever, supporting independent development without recurring subscription fees.
Is LunaDay safe for all ages?
LunaDay is rated for ages 12 and up. It focuses on providing a private and secure space for users to track their cycle data.
How often is LunaDay updated?
The latest version of LunaDay is 1.4.3, last updated on June 9, 2026. Updates aim to maintain its lightweight and fast performance.
What devices does LunaDay support?
LunaDay is available for iPhone and iPad devices, utilizing iCloud sync to securely back up and sync your data across your Apple ecosystem.
How does LunaDay ensure privacy?
LunaDay operates entirely offline with no backend servers, collecting zero user data. All cycle records, symptoms, and notes are encrypted and stored locally on your device or personal iCloud.
What are the main benefits of using LunaDay?
Users choose LunaDay for its absolute privacy, ultra-lightweight and fast performance, permanently ad-free interface, and a fair one-time purchase model for lifetime access.
