---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Clue Period & Cycle Tracker"
developer_entity: "BioWink GmbH"
bundle_id: "com.helloclue.clue"
app_store_id: "657189652"
category: "Health & Fitness"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-05-13"
report_date: "2026-08-16"
last_verified: "2026-08-16T00:00:00.000Z"
report_version: "276.0"
total_reviews: 394695
overall_rating: 4.8
sentiment: "Frustrated"
sentiment_score: 35
confidence: "high"
confidence_score: 0.9
top_praise_theme: "Long-term users value the accurate cycle tracking and clear health insights provided by the app"
top_complaint_theme: "Aggressive and constant pop-up advertisements for premium subscriptions disrupt the core tracking workflow"
review_sample_size: 1429
total_review_count: 1429
analyzed_review_count: 120
data_age_days: 0
momentum_velocity: "intense"
intelligence_version: 8
nemesis: "Flo Cycle & Period Tracker"
competitor_count: 11
tags: ["health & fitness", "subscription", "frustrated sentiment", "mobile app", "app review", "app analysis", "people", "menstrual", "cycles"]
canonical_url: "https://marlvel.ai/apps/com-helloclue-clue"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

## ⚠ Content Warning

This report covers topics classified as sensitive (health). Information is aggregated from public sources for informational purposes only. This is not medical advice. Consult a qualified professional before acting on any information here.

---

# Clue Period & Cycle Tracker Intelligence Report

## TL;DR {#tldr}

- **Category**: Health & Fitness · Subscription
- **Signal**: Rating 4.76 · Sentiment Frustrated
- **Recent focus**: Aggressive and constant pop-up advertisements for premium subscriptions disrupt the core tracking workflow (top complaint) · Long-term users value the accurate cycle tracking and clear health insights provided by the app (top praise)

> **TL;DR:** Clue Period & Cycle Tracker is a health & fitness app by BioWink GmbH, rated 4.76/5 by 394.7K users, with Frustrated user sentiment (35/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Clue Period & Cycle Tracker faces Frustrated user sentiment (4.76/5 from 394.7K reviews), with users reporting aggressive and constant pop-up advertisements for premium subscriptions disrupt the core tracking workflow as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.76/5 (394.7K reviews) |
| **User Mood** | Frustrated |
| **Category** | Health & Fitness |
| **Developer** | BioWink GmbH |
| **Pricing** | Subscription |
| **Platforms** | iOS |
| **Confidence** | High (0.9/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** BioWink GmbH
- **Category:** Health & Fitness
- **Target Audience:** People with menstrual cycles seeking data-driven insights for health management, fertility, or symptom tracking across various life stages.
- **Platforms:** iOS
- **Version Reviewed:** 276.0
- **Report Date:** 2026-08-16
- **Signal Count:** 1429 reviews analyzed
- **Confidence:** High (0.9/1.0)
- **App Store ID (iOS):** 657189652
- **Bundle ID:** com.helloclue.clue
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-08-16

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Clue is a period and cycle tracking app for iOS that provides personalized health insights and fertility predictions based on user-logged symptoms.
**Why users hire it:** Users open Clue to log daily health experiences and receive accurate cycle predictions, replacing manual calendar tracking with a data-backed, science-first interface.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] My Health Record:** Users input confirmed medical diagnoses for 21 conditions to contribute to research datasets.
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Differentiator] Wearable Integration:** Syncs temperature, sleep, and heart rate biometrics with cycle data.
  * *User Intent:* Users expect seamless access across multiple devices.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Clue maintains a consistent presence in the Health & Fitness category, though its monetization tactics create a clear divide between the free experience and the Clue Plus subscription. The app's reputation as a women-led organization fosters trust, yet the gating of previously free features has eroded loyalty among long-term users.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Free tier with essential tracking, Clue Plus subscription for advanced insights
- **Analysis:** Freemium model gates advanced analytical features and specialized tracking modes behind a subscription to drive recurring revenue.

<!-- section:sentiment -->
## 🔴 User Sentiment (High Confidence: 120 of 1.4K reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.76/5
- **Platform Split:** iOS 4.8/5 (394.7K ratings)
- **Overall Sentiment:** Frustrated
- **Note:** The 4.76/5 store rating reflects cumulative history, while the Frustrated sentiment reflects recent user reviews analyzed by our AI pipeline.

### Top Praises
- **Long-term users value the accurate cycle tracking and clear health insights provided by the app**
- **Gender-neutral design language makes the tracking experience inclusive for all people with menstrual cycles**

### Top Complaints (Impact Areas)

- **Aggressive and constant pop-up advertisements for premium subscriptions disrupt the core tracking workflow**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Science-backed cycle prediction engine provides high-accuracy longitudinal health data

**Growth Levers:**
- Developing a dedicated partner-sharing mode would address a top user request and improve retention


<!-- /section:swot -->
## Recent Changes (v7 → v8) {#recent-changes}

Monetization friction and a lack of social feature parity are accelerating user churn toward rivals. The core tracking value proposition is increasingly overshadowed by aggressive premium conversion tactics.

**Overall trend**: Declining
**Compared at**: 2026-08-16

### High-impact changes
- **[Declined] Intensified Monetization Complaints** (sentiment)

### Medium-impact changes
- **[] Competitive Threat Realignment** (swot)
- **[] Feature Gap Prioritization** (features)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Clue Period & Cycle Tracker vs Flo Cycle & Period Tracker
- **[Flo Cycle & Period Tracker](https://marlvel.ai/apps/flo-ovulation-period-tracker)** by FLO HEALTH UK LIMITED: Flo is the primary market rival, competing directly for the same user base by offering comprehensive cycle tracking, symptom analysis, and health insights.
  - **Key differences:**
    - Offers a dedicated 'Flo for Partners' feature to share cycle insights with significant others
    - Includes an integrated AI-driven symptom checker for immediate health context and potential condition identification
    - Provides an 'Anonymous Mode' to address user privacy concerns regarding sensitive health data storage

### Contenders (Strong Challengers)
- **[iPeriod Lite Period Tracker](https://marlvel.ai/apps/iperiod-lite-period-tracker)** by Winkpass Creations, Inc.: A lightweight alternative that focuses on essential tracking and basal body temperature (BBT) graphing.
  - Specializes in BBT fertility graphing for users focused specifically on natural family planning methods
  - Maintains a simplified, low-friction interface that appeals to users who find comprehensive apps overwhelming
- **[Period Tracker by GP Apps](https://marlvel.ai/apps/period-tracker-by-gp-apps)** by GP Apps: This app competes by providing specialized modes for pregnancy and fertility tracking alongside standard cycle monitoring.
  - Includes a dedicated pregnancy mode that shifts the UI focus from cycle tracking to gestation
  - Utilizes a proprietary cycle prediction engine designed to improve accuracy for users with irregular cycles
- **[Glow Eve Period Tracker](https://marlvel.ai/apps/glow-eve-period-tracker)** by Glow: Glow Eve targets the same demographic by emphasizing community engagement and advanced data analytics.
  - Hosts active community forums that foster user retention through peer-to-peer support and discussion
  - Supports hardware integration, allowing users to sync data from external devices for deeper cycle insights
- **[iPeriod Period Tracker +](https://marlvel.ai/apps/wj89358r29-period)** by Winkpass Creations, Inc.: This app competes by offering long-standing, reliable cycle tracking and deep integration with Apple Health.
  - Provides unlimited symptom tracking capabilities without gating core logging features behind a paywall
  - Features robust Apple Health integration for seamless synchronization with broader personal health data

### Peers (What They Do Better)
- **[CVS Caremark](https://marlvel.ai/apps/com-caremark-caremark)** by CVS Caremark: This app serves the broader medical needs of users who may also be managing reproductive health.
  - Provides direct utility for prescription refills and drug cost checks within a medical ecosystem
  - Includes member ID card integration, positioning the app as a primary tool for pharmacy interactions
- **[Wild.AI: Hormones & Fitness](https://marlvel.ai/apps/wild-ai-hormones-fitness)** by Wild Technologies AI: This app overlaps with Clue's mission by providing hormone-aware training recommendations based on cycle phases.
  - Offers highly specific training recommendations tailored to the user's current hormonal cycle phase
  - Integrates directly with wearable fitness data to provide a holistic view of performance and health
- **[Pain Relief Sounds for Periods](https://marlvel.ai/apps/pain-relief-sounds-for-periods)** by Elsa George: This app addresses a specific pain point—period discomfort—that Clue users often log.
  - Provides specialized audio content specifically curated for alleviating period-related physical discomfort
  - Operates entirely offline, ensuring access to relief tools regardless of cellular or Wi-Fi connectivity
- **[Alarmy - Loud alarm clock](https://marlvel.ai/apps/alarmy-loud-alarm-clock)** by Delight Room Co., Ltd.: While in a different category, it competes for the user's morning routine and health-related habit formation.
  - Uses 'alarm missions' to force user engagement, a gamification tactic Clue could adapt for logging
  - Focuses on power-off prevention to ensure reliability, mirroring the need for consistent daily app usage

### New Kids on the Block (What's Innovative)
- **[Endolog: Endometriosis Tracker](https://marlvel.ai/apps/com-endolog-app)** by Hyung-Shik Jung: This app targets a specific medical niche within the cycle tracking space, offering specialized logging.
  - Features detailed body mapping for precise symptom location logging, useful for chronic condition management
- **[CycleGlow: Energie & Cyclus](https://marlvel.ai/apps/com-mp-cycleglow)** by Mandy Peper: A new entrant focusing on the intersection of energy levels and cycle phases.
  - Prioritizes cycle-based energy tracking to help users plan activities around their hormonal fluctuations

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v276.0, 6 days ago):** Routine update containing bug fixes and performance improvements.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Intense) {#momentum}

- Ships routine bug fixes weekly.
- Last major update over 90 days ago.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 6 days since last update · 12 days avg between updates

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Clue Period & Cycle Tracker is a health & fitness app.
With a 4.76/5 rating from 394.7K reviews, it draws more critical themes in recent reviews than its store average suggests.

<!-- speakable-start -->
> **Bottom Line:** Clue's science-first tracking engine remains a strong differentiator, but the current monetization friction is actively driving users toward rivals like Flo. Pivoting the premium strategy to prioritize user experience over aggressive conversion would stabilize the long-term retention of the core user base.
<!-- speakable-end -->

**Best for:** People with menstrual cycles seeking data-driven insights for health management, fertility, or symptom tracking across various life stages.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [PIVOT] Audit premium pop-up frequency because high-frequency prompts are the #1 driver of negative sentiment → reduce churn
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- Partner-sharing mode (available in Flo but missing here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Declining

The cycle-tracking market is consolidating around apps that offer broader social and diagnostic utility, such as Flo's partner-sharing and symptom-checking tools. Clue remains exposed due to a maintenance-only update cadence and a monetization strategy that prioritizes short-term conversion over long-term user retention.

- 🔴 Aggressive premium advertising disrupts the core tracking workflow, which drives long-term users to seek alternatives and erodes brand trust.
- 🔴 The lack of partner-sharing features limits daily utility compared to Flo, which accelerates churn pressure as users prioritize social-sharing tools.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.76/5 |
| Total Reviews | 394.7K |
| Sentiment | Frustrated (35/100) |
| Confidence | High |
| Pricing Model | Subscription |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Clue Period & Cycle Tracker** (this app) | 4.76/5 | Frustrated | BioWink GmbH |
| [CVS Caremark](https://marlvel.ai/apps/com-caremark-caremark) | 4.4/5 | n/a | CVS Caremark |
| [Endolog: Endometriosis Tracker](https://marlvel.ai/apps/com-endolog-app) | 4.3/5 | N/A | Hyung-Shik Jung |
| [CycleGlow: Energie & Cyclus](https://marlvel.ai/apps/com-mp-cycleglow) | 5.0/5 | N/A | Mandy Peper |
| [iPeriod Period Tracker +](https://marlvel.ai/apps/wj89358r29-period) | 4.4/5 | Excited | Winkpass Creations, Inc. |
| [Alarmy - Loud alarm clock](https://marlvel.ai/apps/alarmy-loud-alarm-clock) | 4.8/5 | Excited | Delight Room Co., Ltd. |

## Company Profile
- **Developer:** BioWink GmbH
- **Website:** [https://helloclue.com](https://helloclue.com)
- **Social:** [Instagram](https://www.instagram.com/clueapp) · [Facebook](https://facebook.com/sharer/sharer.php?u=https) · [X/Twitter](https://twitter.com/intent) · [YouTube](https://www.youtube.com/channel/UCLb965Ks_anLhXiFNKBRPDg) · [TikTok](https://www.tiktok.com/@clueapp)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/clue-period-cycle-tracker/id657189652?uo=2)
- **Dev Site:** [Official Website](https://helloclue.com)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*CVS Caremark*](https://marlvel.ai/apps/com-caremark-caremark) (CVS Caremark) · 4.4/5 Rating
- [*Endolog: Endometriosis Tracker*](https://marlvel.ai/apps/com-endolog-app) (Hyung-Shik Jung) · 4.3/5 Rating
- [*CycleGlow: Energie & Cyclus*](https://marlvel.ai/apps/com-mp-cycleglow) (Mandy Peper) · 5.0/5 Rating
- [*iPeriod Period Tracker +*](https://marlvel.ai/apps/wj89358r29-period) (Winkpass Creations, Inc.) · 4.4/5 Rating | Positive Sentiment
- [*Alarmy - Loud alarm clock*](https://marlvel.ai/apps/alarmy-loud-alarm-clock) (Delight Room Co., Ltd.) · 4.8/5 Rating | Positive Sentiment
- [*Glow Eve Period Tracker*](https://marlvel.ai/apps/glow-eve-period-tracker) (Glow) · 4.7/5 Rating | Positive Sentiment
- [*Period Tracker by GP Apps*](https://marlvel.ai/apps/period-tracker-by-gp-apps) (GP Apps) · 4.8/5 Rating | Excellent Sentiment
- [*iPeriod Lite Period Tracker*](https://marlvel.ai/apps/iperiod-lite-period-tracker) (Winkpass Creations, Inc.) · 4.4/5 Rating | Positive Sentiment
- [*Pain Relief Sounds for Periods*](https://marlvel.ai/apps/pain-relief-sounds-for-periods) (Elsa George) · N/A Rating
- [*Wild.AI: Hormones & Fitness*](https://marlvel.ai/apps/wild-ai-hormones-fitness) (Wild Technologies AI) · 4.5/5 Rating

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.9/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 1.4K
- **Data Sources:** user reviews, developer website, company about page, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/com-helloclue-clue)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.