# LunaDay

> Offline, private period tracker with minimalist design and smart predictions. (iPhone/iPad app by 想 李.)

- Source: https://appshunter.io/ios/app/lunaday/id6757979349 (this page in markdown: same URL + `.md`)
- Developer: [想 李](https://appshunter.io/developer/1867214616)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 17.0 · 5 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-01-21
- Data updated: 2026-08-28
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/lunaday/id6757979349/reviews.md

## What is LunaDay?

【Core Philosophy: Your Privacy is Sacred】 In an era of constant connectivity, LunaDay embraces the philosophy of "Digital Minimalism." We believe your cycle data is your most intimate secret. LunaDay is a back-to-basics period tracker that operates entirely offline—no data uploads, no tracking, just a completely private space for you.

【Why Choose LunaDay?】

Absolute Privacy (Pure Local Data) We have no backend servers and collect zero user data. All your records (cycles, symptoms, notes) are encrypted and stored locally on your device or your personal iCloud. Your data belongs to you, and only you.

Ultra-Lightweight & Fast Launched in a blink. No bloatware, no social communities, and no irrelevant news feeds. We focus solely on the art of tracking, ensuring the app remains tiny and lightning-fast.

Permanently Ad-Free We value your peace of mind. Whether you are a premium user or not, LunaDay’s interface remains clean and elegant. No pop-ups, no banners—just quiet companionship.

Fair One-Time Purchase Say goodbye to endless subscriptions. We offer an affordable "Lifetime Membership" for the price of a single coffee. One payment to unlock everything forever and support independent development.

【Feature Highlights】

Minimalist Calendar View: An intuitive interface to see your cycle at a glance.

Smart Prediction: Science-based algorithms to help you prepare for your next period.

Gentle Reminders: Timely notifications that keep you informed without being intrusive.
iCloud Sync: Securely backup and sync your data across your Apple devices.
Simple, Pure, and Intuitive.
Developer’s Promise: This app does not require internet permissions. All data is stored locally. Your life, your data, your LunaDay.

## Key features

- Absolute privacy with local data storage
- Ultra-lightweight and fast performance
- Permanently ad-free interface
- Minimalist calendar view
- Smart period prediction
- Gentle reminders
- iCloud sync for Apple devices

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 永久会员权益 | $0.99 | one-time |



## Frequently asked questions about LunaDay

### 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.

## Version history (last 5 releases)

### 1.4.4 — 2026-08-22

fix some problem

### 1.4.3 — 2026-06-09

fix bug

### 1.4.2 — 2026-05-06

fix some bug

### 1.4.1 — 2026-02-23

fix some problem

### 1.4 — 2026-02-15

New Features:

Home Screen Widgets: Track your cycle at a glance without opening the app. Beautiful and discreet.

## Apps similar to LunaDay

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Orbit - Period Tracker](https://appshunter.io/ios/app/orbit-period-tracker/id6757743456) | 5.0 (1) | Free | Health & Fitness |
| [FlowHer - Period Tracker](https://appshunter.io/ios/app/flowher-period-tracker/id6758593905) | 5.0 (1) | Free | Health & Fitness |
| [MediTrack](https://appshunter.io/ios/app/meditrack/id6756915043) | — | Free | Health & Fitness |
| [Luna - Period Tracker & Cycle](https://appshunter.io/ios/app/luna-period-tracker-and-cycle/id6761713698) | — | Free | Health & Fitness |
| [LoveLove: Couple Cycle Care](https://appshunter.io/ios/app/lovelove-couple-cycle-care/id6759135375) | — | Free | Health & Fitness |
| [SleepBestie: AI Sleep Tracker](https://appshunter.io/ios/app/sleepbestie-ai-sleep-tracker/id6744574465) | — | Free | Health & Fitness |

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*