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Clue Period & Cycle Tracker

Clue Period & Cycle Tracker

By BioWink

Clue is a period and cycle tracking application for people with cycles, providing personalized health insights and fertility predictions on iOS.

The App DNA

What makes this app unique?

Users rely on Clue to identify hormonal patterns and manage reproductive health, replacing manual calendar tracking with automated, data-driven predictions.

For People with cycles seeking to understand their reproductive health, fertility, or specific conditions like PCOS and perimenopause.

Key features

Cycle & Symptom Trackingstandard

Logs 100+ cycle-related experiences to identify personal patterns, acting as the primary retention lever for the free tier.

Clue Plus Advanced Insightsedge

Provides pattern analysis and unlimited access to medical expert content, serving as the direct paid-conversion gate.

Wearable Integrationedge

Syncs temperature and heart rate biometrics to refine fertility predictions, creating a hardware-dependent data dependency.

How much does it cost?

subscriptionFree tier with basic cycle statisticsClue Plus premium subscription with advanced insights

The freemium model gates advanced analytics and partner sharing behind a subscription, while leveraging free user data for research partnerships.

Velocity

Intense developmentperformanceopaqueShow more...

The app maintains an intense release cadence of approximately 1 release per week. Despite the high frequency of updates, the release notes remain consistently opaque, providing no specific details on new features or content. This pattern suggests the development team is utilizing server-side configuration or feature flagging to manage the user experience rather than traditional versioned releases. The development trend is stable, focusing on continuous performance and stability maintenance.

See all version history

Who built it?

BioWink

1 app tracked · Health & Fitness

Explore the full publisher profile

User Sentiment

What do users think recently?

Fresh user feedback skews frustrated. Users appreciate long-term users value the accurate cycle tracking and clear, science-backed health information provided by the app and the clean, gender-neutral design avoids the cutesy aesthetic common in other period tracking applications, but report aggressive and constant pop-up advertisements for premium subscriptions disrupt the core logging experience for free users.

How are ratings & reviews evolving?

Jun 29: 26 reviews (17 positive · 1 neutral · 8 negative)Jul 6: 40 reviews (18 positive · 6 neutral · 16 negative)40Jul 13: 32 reviews (15 positive · 5 neutral · 12 negative)Jul 20: 38 reviews (21 positive · 3 neutral · 14 negative)Jul 27: 36 reviews (21 positive · 1 neutral · 14 negative)Aug 3: 29 reviews (14 positive · 1 neutral · 14 negative)Aug 10: 31 reviews (20 positive · 3 neutral · 8 negative)Aug 17: 37 reviews (18 positive · 7 neutral · 12 negative)Aug 24: 29 reviews (17 positive · 4 neutral · 8 negative)Aug 31: 26 reviews (17 positive · 2 neutral · 7 negative)Sep 7: 30 reviews (14 positive · 2 neutral · 14 negative)Sep 14: 26 reviews (13 positive · 4 neutral · 9 negative)Sep 21: 32 reviews (13 positive · 4 neutral · 15 negative)Sep 28: 1 reviews (0 positive · 0 neutral · 1 negative)Jun 29Sep 28
Positive Neutral Negative
1.0

Weekly average review rating

App Store
4.76 · 395k

What users say, by theme

What Users Love
  • Long-term users value the accurate cycle tracking and clear, science-backed health information provided by the app
  • The clean, gender-neutral design avoids the cutesy aesthetic common in other period tracking applications
  • The home screen widget provides a helpful countdown to the next period for users with memory issues
What Frustrates Users
  • Aggressive and constant pop-up advertisements for premium subscriptions disrupt the core logging experience for free users
+ 2 more themes
What Users Want 3 requests inside

120 of 1443 recent reviews analyzed · high confidence · Frustrated overall

Read the full review analysis

Unlock 2 more frustration themes and 3 user requests, each backed by review evidence.

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Competition

Competitive landscape for Clue Period & Cycle Tracker

How's the Health & Fitness market?

Clue maintains a strong category presence, though its monetization friction is increasingly visible in user feedback. The app's reliance on a subscription-gated model for historical data creates a churn risk that competitors are currently exploiting to capture long-term users.

Read the market outlook

The rivals identified

Period Tracker Period Calendar

By ABISHKKING LIMITED.

Both applications target the same reproductive health demographic and offer overlapping core functionality for cycle and fertility tracking.

  • Selin offers a completely free model, while Clue gates historical data behind a subscription.
  • Clue provides research-backed health content, whereas Selin focuses on standard cycle and fertility tracking.
Clue Period & Cycle Tracker vs Period Tracker Period Calendar
Show 2 more

Unlock the head-to-head verdict: where this rival wins, and where it loses.

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The Analyst's Read

Key takeaways for Clue Period & Cycle Tracker

Where is it heading?

The cycle-tracking market is consolidating around apps that offer integrated partner-sharing and symptom diagnostics, leaving Clue exposed if it continues to prioritize aggressive monetization over core utility. The current churn trend, driven by paywall friction, suggests that Clue will lose its long-term user base to competitors unless it restores access to historical data.

  • Aggressive subscription prompts disrupt the core logging experience, which compounds the churn pressure from users feeling betrayed by paywalled historical data.
  • Recent updates focus on stability and bug fixes, indicating a maintenance-heavy cadence rather than active feature expansion for the free tier.

The SWOT

Core Strengths
  • Science-backed, gender-neutral interface fosters trust with a mature demographic
  • Research-driven content provides a defensible barrier against generic trackers
Critical Frictions 2 weaknesses inside
Growth Levers
  • Developing a low-friction partner-sharing mode could reduce churn to Flo
  • Expanding IVF and fertility treatment logging could capture a high-intent niche
Market Threats 2 threats identified

Next best moves

1 Pivot · 1 Invest

Reduce subscription pop-up frequency because it is the #1 complaint theme → improve retention

+ 1 more prioritized move

The counter-intuitive read

The aggressive subscription gating of historical data is…

Read the full take

Feature gaps

Dedicated partner-sharing mode (available in Flo but confusing here) +1

Since the last report: Clue's market position is deteriorating as aggressive monetization of historical data and new reports of data loss accelerate user churn. The app is increasingly viewed as less reliable and more restrictive compared to rivals.

Bottom line

Clue must pivot its monetization strategy to reduce the friction caused by aggressive subscription prompts, as this is actively driving users toward competitors. Addressing the accessibility of historical data would stabilize the long-term user base and reduce churn pressure.

Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.

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Sources

  1. [1] App Store, source

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 Clue Period & Cycle Tracker, 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

Clue's market position is deteriorating as aggressive monetization of historical data and new reports of data loss accelerate user churn. The app is increasingly viewed as less reliable and more restrictive compared to rivals.

declined

Paywalled Historical Data

added

Technical Reliability Risk

added

IVF Logging Demand

Cite this report

Marlvel.ai. “Clue Period & Cycle Tracker Intelligence Report.” Updated Aug 18, 2026. https://marlvel.ai/apps/com-helloclue-clue

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