---
title: "Period Tracker Period Calendar — App Overview"
url: https://marlvel.ai/intel-report/health-fitness/com-abishkking-periodcalendar
category: Health & Fitness
developer: ABISHKKING LIMITED.
platforms: ios, android
rating: 4.9 (167.5K ratings)
pricing: free
report_level: overview
generated: 2026-04-16
last_verified: "2026-04-18T17:38:16.101Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Selin is a widely-rated, free-to-use tool focused on cycle management and fertility tracking for reproductive health.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | 4.9 ★ (167.5K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 3.5.0 |
| Latest Version (Android) | 5.3.26 |
| Developer | ABISHKKING LIMITED. |

<!-- SECTION: Summary -->
## What is Period Tracker Period Calendar?

Selin is a Health & Fitness application designed to help users monitor menstrual cycles and reproductive health. The app claims to utilize advanced algorithms to provide cycle predictions, fertility tracking, and personalized health insights.

<!-- SECTION: Key Features -->
## Key Features

- **Period Tracker**: Uses algorithms to track current menstrual cycles and predict future dates.
- **Fertility Tracker**: Identifies fertile windows and monitors ovulation to assist with pregnancy planning.
- **Health Insights**: Provides access to expert-backed information regarding menstrual health, contraception, and fertility.
- **Custom Reminders**: Sends personalized notifications for upcoming period dates and ovulation windows.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals seeking to track their menstrual cycles, monitor ovulation, or plan for pregnancy.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/period-tracker-period-calendar/id896501514?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=com.vizualtech.selin&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/health-fitness/com-abishkking-periodcalendar)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/health-fitness/com-abishkking-periodcalendar).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*