This period tracker helps users log and predict menstrual cycles for better health management and event planning. It offers a simple interface to mark days and automatically refines cycle length predictions based on historical data.


250+ iOS apps curated and reviewed
With an average user rating of 4.6★, the wcalfree category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.0★ (1) | No | No | Oct 2026 | ||
| 2 | Free | 4.8★ (5.1K) | Yes | Yes | Oct 2026 | ||
| 3 | Free | 4.5★ (11) | No | No | Oct 2026 | ||
| 4 | Free | 4.7★ (367) | No | Yes | Oct 2026 | ||
| 5 | Free | 4.6★ (14K) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.6★ (7) | No | Yes | Oct 2026 | ||
| 7 | Free | 4.8★ (32) | Yes | No | Oct 2026 | ||
| 8 | Free | — | No | No | Sep 2026 |


This period tracker helps users log and predict menstrual cycles for better health management and event planning. It offers a simple interface to mark days and automatically refines cycle length predictions based on historical data.






This app provides a comprehensive Vietnamese lunar and solar calendar for 2026. It offers detailed information on auspicious and inauspicious days, facilitates lunar-solar date conversions, and includes astrological readings and cultural insights.





This app offers a comprehensive perpetual calendar with lunar and solar dates, alongside specialized sections for family well-being. It includes tools for managing household finances, tracking women's health cycles, and monitoring children's vaccination schedules and development.