--- title: "cycle.log — App Overview" url: https://marlvel.ai/apps/cycle-log category: Medical developer: 433 Labs platforms: ios rating: 4.5 (24 ratings) pricing: free report_level: overview generated: 2026-04-27 last_verified: "2026-04-27T08:04:31.561Z" --- > **Key Insight:** cycle.log positions itself as a minimalist, data-driven tracker that uses historical input to refine its period prediction capabilities. | Metric | Value | |--------|-------| | Category | Medical | | Rating | 4.5 ★ (24) | | Pricing | free | | Platforms | iOS | | Latest Version (iOS) | 1.4 | | Developer | 433 Labs | ## What is cycle.log? cycle.log is a menstrual cycle tracking application developed by 433 Labs that focuses on simplicity and predictive analytics. The app claims to improve its accuracy over time by calculating average cycle lengths and standard deviations to estimate future period start dates. ## Key Features - **Cycle Logging**: Provides a simplified interface for users to record their menstrual cycle data. - **Predictive Reminders**: Sends automated notifications to users before their next period is expected to begin. - **Adaptive Analytics**: Automatically adjusts cycle length estimates based on historical user data. - **Cycle Variability Tracking**: Calculates the standard deviation of cycle lengths to provide insight into cycle consistency. ## Who is it for? Individuals seeking a straightforward tool to track menstrual cycles and receive automated reminders for upcoming periods. ## Links - [App Store](https://apps.apple.com/us/app/cycle-log/id1141567309?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/cycle-log) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/cycle-log).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*