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Report updated May 20, 2026

Period Tracker: Monthly Cycles is a challenged health & fitness app that is free with in-app purchases. With a 4.4/5 rating from 363.1K reviews, it faces significant user friction. Users particularly appreciate long-term reliability of core tracking features keeps users engaged for over a decade, though catastrophic data loss following recent updates prevents users from accessing historical health records remains a common concern.

What is Period Tracker: Monthly Cycles?

Monthly Cycles is a menstrual and fertility tracking app for mobile users, structured around a calendar-based logging interface.

Users hire the app to maintain a long-term, private health history without the clinical complexity of medical-grade alternatives, so the primary value is the accumulation of personal cycle data over time.

Current Momentum

v4.8 · 6d ago

Maintenance
  • Shipped stability fixes in latest release.
  • Maintains legacy user base.

Active Nemesis

Clue Period & Cycle Tracker

Clue Period & Cycle Tracker

By BioWink

Other Rivals

Period Tracker Period Calendar
Stardust Period Tracker
Period Tracker Deluxe
Natural Cycles Fertility App
Cycles: Period & Cycle Tracker
Moody Month: Hormone Tracker

7-Day Rank Pulse 🇺🇸

Health & Fitness

No ranking data

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Cycle Prediction EngineStandard

Calculates average of past 3 months of menstrual cycles to forecast future period and ovulation dates

Symptom and Mood LoggingStandard

Daily tracking of physical symptoms, moods, and intimacy via calendar interface

Pregnancy ModeDifferentiator

Countdown timer and tracking interface for pregnancy duration

How much does it cost?

Freemium
  • Free tier with ad support
  • Monthly and annual subscription options

Freemium model anchored by ad-supported free access with recurring subscription revenue for premium features.

What do users think recently?

Low confidence · Latest 61 of 99 total reviews analyzed · Based on 99 reviews. Signal may be noisy.

How did the latest release land?

Overall
4.4/ 5
(363.1K)
Current version
4.0/ 5
-0.5 vs overall
(3.8K)
Main signal post-update: catastrophic data loss following recent updates prevents users from accessing historical health records.

What is the recent mood?

Frustrated

Recent user voice shows a frustrated sentiment. Users appreciate long-term reliability of core tracking features keeps users engaged for over a decade, but report catastrophic data loss following recent updates prevents users from accessing historical health records.

What Users Love

Long-term reliability of core tracking features keeps users engaged for over a decade

What Frustrates Users

Catastrophic data loss following recent updates prevents users from accessing historical health records

What Users Want

Reliable data backup and recovery mechanisms to prevent permanent loss of health history

How have ratings & review volume moved?

Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.

Rating over time

Vertical markers = app releases. Hover any release for the post-release impact delta.

Releases:MajorMinorPatch2 releases in range

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

What is the competitive landscape for Period Tracker: Monthly Cycles?

How's The Health & Fitness Market?

How does it evolve in the Health & Fitness market?

The app maintains a high rating on Android (4.4) despite severe stability regressions, indicating that the core utility of long-term tracking creates a high tolerance for technical friction until data loss occurs.

Rank progression

7 active rankings tracked — 30-day window

Which niche is Period Tracker: Monthly Cycles in?

Period Tracking Trackers

to monitor menstrual cycles and fertility health

TrackerPeriod TrackingAdultsSubscriptionEstablished

Explore the full Period Tracking Trackers niche

Every app in this space — 35 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.

Go deeper

The rivals identified

Nemeses(1)

Glow Eve is a direct market leader that competes for the same core demographic by offering a comprehensive, data-heavy approach to reproductive health and cycle management.

Contenders(4)

This app competes by addressing a specific, high-frequency pain point—menstrual product management—that the target app currently overlooks.

Once competes by focusing on the intersection of cycle tracking and daily lifestyle guidance, specifically targeting users interested in pregnancy planning.

Cycle Air competes by bundling its tracking utility into a broader ecosystem of productivity and lifestyle apps, appealing to users who prefer unified subscriptions.

Cube competes by offering a highly customizable interface that targets users who prioritize aesthetic personalization alongside standard cycle prediction.

Same space(3)

Health4U icon

Seoul National University Bundang Hospital

5.0(1)

Health4U competes by offering institutional-grade medical record access, appealing to users who prioritize clinical accuracy over lifestyle tracking.

This app competes for the same 'health-conscious' user segment by providing medical-grade tracking for chronic condition management.

Wild.AI targets the same physiological cycle data but positions itself as a high-performance training tool for athletes.

Compare Period Tracker: Monthly Cycles against every rival

All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.

Go deeper

The outtake for Period Tracker: Monthly Cycles

Strengths to defend, gaps to attack

Core Strengths

  • Decade-long health history creates high switching costs
  • Simple, non-clinical UI differentiates from medical-grade competitors
  • Pregnancy mode extends user lifecycle

Critical Frictions

  • Catastrophic data loss post-update
  • Frequent launch crashes on Android
  • Aggressive paywalling of legacy features

Growth Levers

  • Implement secure cloud-sync to resolve data-loss churn
  • Expand into community-driven wellness features
  • Integrate wearable data for clinical parity

Market Threats

  • Clue's high-velocity release cadence
  • Regulatory shift toward medical-grade certification
  • User exodus due to persistent stability failures

What are the next best moves?

highInvest

Ship secure cloud-sync because data loss is the top-cited complaint → stop user churn.

Sentiment analysis identifies data loss as the primary driver of negative reviews.

Trade-off: Pause the wearable integration sprint — data persistence is a higher-impact retention lever.

mediumPivot

Audit paywall logic because gating legacy features alienates long-term users → improve retention.

User complaints highlight frustration with premium-gating of previously free tools.

Trade-off: Deprioritize new UI theme development — revenue stability requires fixing the existing user experience.

A counter-intuitive read

The app's biggest risk is not its clinical competitors, but its own legacy success: maintenance-mode at the top of the user-history curve makes it more vulnerable to data-loss churn than a new entrant.

Feature Gaps vs Competitors

  • Real-time partner sharing (available in Cycles but missing here)
  • Science-backed educational content (available in Clue but missing here)

Key Takeaways

Monthly Cycles holds a loyal user base through its simple tracking utility, but persistent data loss and aggressive monetization threaten its long-term viability, so the PM must prioritize data persistence to prevent a total exodus.

Where Is It Heading?

Declining

The market for period tracking is shifting toward clinical, science-backed experiences that prioritize data security and reliability. Monthly Cycles is currently exposed due to its stability failures, and without a pivot to robust cloud-sync, it will continue to lose its most valuable long-term users to competitors.

Persistent data loss reports following the latest update erode trust, which accelerates churn among the tenured user base.

Aggressive paywalling of legacy features creates friction, which drives negative sentiment and reduces the lifetime value of loyal users.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Period Tracker: Monthly Cycles, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app has transitioned into a maintenance-mode product suffering from critical data-loss bugs and user-alienating paywall tactics.

declined

Data loss crisis

shifted

Aggressive paywalling

added

Stability weaknesses

shifted

Non-clinical differentiation

improved

Pregnancy mode status

Cite this report

Marlvel.ai. “Period Tracker: Monthly Cycles Intelligence Report.” Updated May 20, 2026. https://marlvel.ai/apps/period-tracker-monthly-cycles

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