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cycle.log

cycle.log

By 433 Labs

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.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Individuals seeking a straightforward tool to track menstrual cycles and receive automated reminders for upcoming periods.

What does it look like?

Key features

Cycle Loggingstandard

Provides a simplified interface for users to record their menstrual cycle data.

Predictive Remindersstandard

Sends automated notifications to users before their next period is expected to begin.

Adaptive Analyticsstandard

Automatically adjusts cycle length estimates based on historical user data.

Cycle Variability Trackingstandard

Calculates the standard deviation of cycle lengths to provide insight into cycle consistency.

How much does it cost?

free

Velocity

Dormant developmentShow more...

5 versions in history. Development pace: zombie.

See all version history

Who built it?

433 Labs

2 apps tracked · Medical

status.logstatus.log
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.50 · 24

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for cycle.log

How's the Medical market?

The rivals identified

The Analyst's Read

Key takeaways for cycle.log

Where is it heading?

Bottom line

cycle.log positions itself as a minimalist, data-driven tracker that uses historical input to refine its period prediction capabilities.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by cycle.log, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “cycle.log Intelligence Report.” Updated Apr 27, 2026. https://marlvel.ai/apps/cycle-log

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