# Lailemma - Period & Fertility — Cycle Tracker & Ovulation Log

> Cycle Tracker & Ovulation Log (iPhone/iPad app by bo chen.)

- Source: https://appshunter.io/ios/app/lailemma-period-and-fertility/id6775935474 (this page in markdown: same URL + `.md`)
- Developer: [bo chen](https://appshunter.io/developer/1321915789)
- Category: Health & Fitness, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English, German (Germany), Japanese, Korean, Chinese (Simplified, China)
- Released: 2026-06-09
- Data updated: 2026-09-18
- User reviews in markdown: https://appshunter.io/ios/app/lailemma-period-and-fertility/id6775935474/reviews.md

## What is Lailemma?

Lailemma is a women's health tracking app designed to help you easily record and predict your period, ovulation, and fertile window.

Key Features:
· Period Tracking & Smart Prediction — the more you record, the more accurate it gets
· Ovulation Detection — symptothermal method combining BBT and cervical mucus
· Conception Mode — daily fertility score with optimal timing suggestions
· Pregnancy Mode — gestational week calculator and due date tracking
· Daily Logging — flow, mood, symptoms, temperature, and cervical mucus in one tap
· Cycle Anomaly Alerts — smart warnings for irregular, long, or short cycles
· Pill Tracker — daily contraceptive pill reminders with missed-dose alerts
· Partner Sharing — generate a read-only summary for your partner to view cycle status
· Health Insights — analyze sleep, steps, and heart rate by cycle phase with Apple Health
· Data Export — one-tap JSON backup of all your records
· Health Encyclopedia — learn about periods, ovulation, and conception in one place

Privacy First:
All data is stored locally on your device. Nothing is uploaded to any server. Apple Health sync can be toggled on or off anytime.

Lailemma — your most caring health companion.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Lailemma Pro Monthly | $0.99 | per month |
| Lailemma Pro Yearly | $3.99 | per year |



## Version history (last 2 releases)

### 2.0.3 — 2026-06-13

Lailemma v2.0.2

· Fixed broken UI in dark mode — app now keeps its warm light design
· Brand new coral-orange color scheme — home, paywall, and theme completely refreshed
· Fixed Chinese localization — UI no longer falls back to English
· Dynamic trial display — free trial duration now reads from App Store configuration
· New "Today's Health Insight" card on home — personalized tips based on your cycle phase
· Version number now reads dynamically from the app bundle
· Fixed quick-tag layout wrapping issue

Thanks for using Lailemma!

### 2.0 — 2026-06-09

No release notes.

## More apps by bo chen

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- [TwoPic Dual Camera](https://appshunter.io/ios/app/twopic-dual-camera/id6800405096)

All apps by bo chen: https://appshunter.io/developer/1321915789

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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 2026-09-18.*