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Recently updated
Description
Introduction
CycleSync is a privacy-focused menstrual tracking extension that helps you understand and work with your natural cycle. Log symptoms, track patterns, and receive personalized recommendations to optimize your wellbeing throughout each phase of your cycle.
Unlike cloud-based period trackers, CycleSync stores all your sensitive data locally in your browser, giving you complete control and privacy over your personal health information.
Key Features
π Privacy-First Approach
All your cycle data stays on your device
No accounts or sign-ups required
No data sharing with third parties
π Comprehensive Cycle Tracking
Monitor period dates, flow intensity, and cycle length
Track physical and emotional symptoms
Log energy levels, sleep quality, and more
π
Smart Calendar
Visual cycle calendar with period, fertile window, and ovulation predictions
Automatic updates based on your unique patterns
Color-coded phases for easy reference
π Personalized Insights
Learn how your cycle affects mood, energy, and productivity
Discover your most common symptoms by cycle phase
Track changes and patterns over time
π‘ Phase-Based Recommendations
Receive tailored tips for each phase of your cycle
Optimize your activities based on your natural energy levels
Plan ahead with accurate predictions
β° Helpful Reminders
Optional notifications for upcoming periods and ovulation
Daily symptom logging reminders
Customizable notification settings
π¨ Customization Options
Multiple theme choices to personalize your experience
Adjust cycle length and tracking preferences
Import and export your data anytime
Why Use CycleSync?
Understanding your menstrual cycle gives you powerful insights into your body's natural patterns. CycleSync helps you harness this knowledge to:
Plan important events around your cycle
Reduce the impact of PMS and cycle-related symptoms
Optimize your productivity and exercise routines
Make informed decisions about your health and wellbeing
Take control of your reproductive health
Who Is CycleSync For?
CycleSync is designed for anyone who menstruates and wants to:
Track their cycle with complete privacy
Understand the connection between their cycle and overall wellbeing
Use cycle awareness as a tool for better health management
Have easy access to their cycle data directly in their browser
Privacy Commitment
Your health data is personal. That's why CycleSync:
Stores all data locally on your device
Never sends sensitive information to external servers
Gives you complete control to export or delete your data at any time
Has no user accounts or login information to secure
Start synchronising your life with your natural cycle today with CycleSync!
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Version 1.0.1
This update focuses on stability and cross-platform compatibility improvements to ensure a consistent experience for all users.
Resolved layout issues affecting Windows users
Improved font rendering and text display across all operating systems
Enhanced popup sizing to prevent content from being clipped
Optimised scrollbar behaviour for a cleaner interface
Minor visual refinements across the calendar, dashboard, and settings views
We appreciate your support and feedback as we continue to improve CycleSync.
---
Version 1.0.2
This update introduces a first-time setup experience to help new users get personalised cycle tracking right away.
Added onboarding flow for new installs β enter your last period date and cycle length to see accurate phase and prediction data from the start
Fixed an issue where the dashboard showed placeholder data instead of your actual cycle information
Improved first-run experience across all supported platforms
We are listening to our users βΊοΈππΏ
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Version 1.0.3
Further layout and rendering improvements for Windows users.
We are listening to our users βΊοΈππΏ
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Version 1.0.4
β
Onboarding flow (with cycle length + period length steps)
β
Period countdown bar
β
Period started button
β
Symptom date defaults to today
β
Uninstall feedback form (moved to background.js)
β
manifest.json warning fixed
We are listening to our users βΊοΈππΏ
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What's New in v1.0.5
We've been listening! This update focuses on making CycleSync even better based on early user feedback.
β¨ Review Prompt : After using CycleSync for a few days, you'll see a gentle nudge to leave a review. Your feedback helps us improve and helps other women discover the extension.
π Bug Fixes & Stability : General improvements to make the experience smoother across all devices and operating systems.
----
What's New in v1.0.6
β Support CycleSync β CycleSync is free and always will be. If it's been helpful to you, you can now support the project with a small coffee via Ko-fi. You'll find the support button in the Settings tab, and after a week of tracking we'll give you a gentle nudge too. No pressure β every coffee genuinely helps keep development going.
π Bug Fixes & Stability β Further improvements to make the experience smoother across all devices.
Reviews
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Permissions (3)
Permissions
alarmsβΉ Can schedule periodic background tasks notificationsβΉ Can show desktop notifications storageβΉ Can store data locally in your browser
Details
| Version | 1.0.6 |
| Updated | Mar 23, 2026 |
| Size | 65.79KiB |
| First Seen | Mar 30, 2026 |
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