--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Stardust Period Tracker" developer_entity: "Stardust App Inc" bundle_id: "com.stardust.app" category: "Health & Fitness" primary_platform: "android" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "Android" app_last_updated: "2026-08-18" report_date: "2026-08-19" last_verified: "2026-08-19T00:00:00.000Z" report_version: "5.26.0" total_reviews: 22333 overall_rating: 4.6 sentiment: "Mixed" sentiment_score: 45 confidence: "high" confidence_score: 0.8 top_praise_theme: "The aesthetic design and intuitive interface make tracking menstrual cycles feel like a calming daily ritual" top_complaint_theme: "Users report the app shares sensitive reproductive health data with third parties despite privacy-focused marketing claims" review_sample_size: 50 total_review_count: 50 analyzed_review_count: 50 data_age_days: 48 momentum_velocity: "steady" intelligence_version: 3 tags: ["health & fitness", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "women", "seeking", "holistic"] canonical_url: "https://marlvel.ai/apps/stardust-period-tracker" 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. --- # Stardust Period Tracker Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Freemium - **Signal**: Rating 4.6 · Sentiment Mixed - **Recent focus**: Users report the app shares sensitive reproductive health data with third parties despite privacy-focused marketing claims (top complaint) · The aesthetic design and intuitive interface make tracking menstrual cycles feel like a calming daily ritual (top praise) > **TL;DR:** Stardust Period Tracker is a health & fitness app by Stardust App Inc, rated 4.6/5 by 22.3K users, with Mixed user sentiment (45/100), available on Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Stardust Period Tracker shows Mixed sentiment (4.6/5 from 22.3K reviews) - users praise the aesthetic design and intuitive interface make tracking menstrual cycles feel like a calming daily ritual but report issues with users report the app shares sensitive reproductive health data with third parties despite privacy-focused marketing claims. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.6/5 (22.3K reviews) | | **User Mood** | Mixed | | **Category** | Health & Fitness | | **Developer** | Stardust App Inc | | **Pricing** | Freemium | | **Platforms** | Android | | **Confidence** | High (0.8/1.0) | | **Data Age** | 48d | ## Metadata & Market Performance - **Publisher:** Stardust App Inc - **Category:** Health & Fitness - **Target Audience:** Women seeking a holistic approach to menstrual, fertility, and pregnancy tracking that integrates biological data with lifestyle and astronomical insights. - **Platforms:** Android - **Version Reviewed:** 5.26.0 - **Report Date:** 2026-08-19 - **Signal Count:** 50 reviews analyzed - **Confidence:** High (0.8/1.0) - **Google Play ID:** com.stardust.app - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-08-19 - **Short Description:** Period tracker built by women. Track your menstrual cycle, ovulation & pregnancy ## Executive Snapshot **What it is:** Stardust Period Tracker is a menstrual, fertility, and pregnancy tracking app for Android that integrates biological data with lunar-cycle insights. **Why users hire it:** Users choose Stardust to transform clinical cycle tracking into a meaningful, ritualistic daily experience that aligns with their personal lifestyle and astronomical interests. ## App DNA (Features & Intent) - **[Differentiator] Lunar Cycle Syncing:** Maps menstrual phases to lunar cycles with associated folklore, increasing user stickiness via category authority. * *User Intent:* Users expect seamless access across multiple devices. - **[Differentiator] Partner Sync:** Enables shared tracking links to pull non-users into the app, acting as a viral acquisition loop. * *User Intent:* Users seek social connection and competitive engagement with peers. - **[Standard] Pregnancy Mode:** Provides 3D/AR growth visualizations to extend the user lifecycle beyond menstrual tracking. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Stardust Period Tracker maintains a 4.6-star rating across 22,333 reviews on the Play Store. The app's presence in the top 150 grossing health charts across multiple international markets signals strong monetization potential despite current technical churn. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with core tracking, IAP-supported premium features - **Analysis:** Freemium model utilizes in-app purchases to gate advanced insights while maintaining a free core product. ## 🟡 User Sentiment (High Confidence: 50 of 50 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.6/5 - **Platform Split:** Android 4.6/5 (22.3K ratings) - **Overall Sentiment:** Mixed ### Top Praises - **The aesthetic design and intuitive interface make tracking menstrual cycles feel like a calming daily ritual** - **Inclusive design choices regarding gender and cycle tracking provide a welcoming experience for diverse user groups** - **Informative cycle insights and moon phase integration provide users with a deeper understanding of their bodies** ### Top Complaints (Impact Areas) - **Users report the app shares sensitive reproductive health data with third parties despite privacy-focused marketing claims** ## SWOT Analysis {#swot} **Core Strengths:** - Lunar-cycle integration creates a ritualistic habit loop - Inclusive design attracts diverse user segments - Partner-sync viral loop drives organic acquisition **Growth Levers:** - Expand partner-support content to reduce churn - Add home screen widgets for faster logging - Localize lunar folklore for high-ARPU international markets ## Recent Changes (v2 → v3) {#recent-changes} Stardust has formalized its development roadmap by prioritizing home screen widgets while simultaneously expanding its risk profile to include account management friction and regulatory scrutiny. **Overall trend**: Mixed **Compared at**: 2026-08-19 ### High-impact changes - **[Added] Home screen widgets** (features) ### Medium-impact changes - **[Added] Account deletion friction** (swot) - **[Added] Regulatory data-privacy scrutiny** (swot) ## What's New - **Latest (v5.26.0, yesterday):** Introduced a privacy-first menstrual calendar with moon cycle synchronization. ## App Momentum (Steady) {#momentum} - Shipped moon-cycle synchronization feature. - Maintains steady monthly release cadence. > **Cadence:** 2 total versions · 1 majors in last 6 months · 1 days since last update · 28 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Stardust Period Tracker is a health & fitness app that is free with in-app purchases. With a 4.6/5 rating from 22.3K reviews, it shows mixed user reception. > **Bottom Line:** Stardust Period Tracker must prioritize Android stability and transparent data practices to defend its brand trust. Stabilizing the core tracking loop is the prerequisite for scaling the lunar-sync differentiator, as technical churn currently undermines the app's retention potential. **Best for:** Women seeking a holistic approach to menstrual, fertility, and pregnancy tracking that integrates biological data with lifestyle and astronomical insights. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Rebuild Android loading logic because persistent crashes are the top barrier to daily habit formation → stabilize retention ### Outlook: Mixed The health tracking market is shifting toward personalized, lifestyle-integrated experiences, where Stardust's lunar-sync feature provides a clear, defensible niche. However, the current technical instability and privacy concerns create a ceiling on growth, as the app's retention is currently hampered by fundamental performance failures. - 🔴 Persistent Android loading crashes prevent users from accessing cycle data, which erodes the daily habit loop and drives negative sentiment. - 🔴 Users report: Allegations of unauthorized data sharing with third parties undermine the privacy-first brand promise, creating a high risk of user attrition. - 🟢 The latest release of moon-cycle synchronization features demonstrates active feature investment, maintaining a steady cadence that keeps the product relevant. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.6/5 | | Total Reviews | 22.3K | | Sentiment | Mixed (45/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Stardust Period Tracker** (this app) | 4.6/5 | Mixed | Stardust App Inc | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.5/5 | n/a | Grow Labs LLC | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [Strava: Run, Bike, Walk](https://marlvel.ai/apps/strava-run-bike-walk) | 4.7/5 | n/a | Strava, Inc. | | [Taller AI: Height Maximizer](https://marlvel.ai/apps/taller-ai-height-maximizer) | 4.7/5 | Excited | Leadimize | | [TallerTeen - Grow Taller Now](https://marlvel.ai/apps/tallerteen-grow-taller-now) | 4.7/5 | n/a | Viral App Developement LLC | ## Company Profile - **Developer:** Stardust App Inc - **Website:** [https://stardust.app/](https://stardust.app/) - **Social:** [Instagram](https://www.instagram.com/stardust) · [TikTok](https://www.tiktok.com/@stardust.app) ## Data Sources & Links - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.stardust.app&hl=en&gl=us) - **Dev Site:** [Official Website](https://stardust.app/) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.5/5 Rating - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*Strava: Run, Bike, Walk*](https://marlvel.ai/apps/strava-run-bike-walk) (Strava, Inc.) · 4.7/5 Rating - [*Taller AI: Height Maximizer*](https://marlvel.ai/apps/taller-ai-height-maximizer) (Leadimize) · 4.7/5 Rating | Positive Sentiment - [*TallerTeen - Grow Taller Now*](https://marlvel.ai/apps/tallerteen-grow-taller-now) (Viral App Developement LLC) · 4.7/5 Rating - [*Activity Tracker・FitnessView*](https://marlvel.ai/apps/activity-tracker-fitnessview) (Funn Media, LLC) · 4.0/5 Rating - [*Avatran Soul*](https://marlvel.ai/apps/avatran-soul) (Avatran GmbH) · N/A Rating - [*Bubblic: Connect with people.*](https://marlvel.ai/apps/bubblic-connect-with-people) (Bubblic Inc.) · 4.6/5 Rating | Positive Sentiment - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Evolum) · 4.7/5 Rating | Positive Sentiment - [*Holoholo: Daily Memories*](https://marlvel.ai/apps/holoholo-daily-memories) (For Pedestrians LLC.) · 4.4/5 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:** 0.8/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 50 - **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:** 48 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/stardust-period-tracker) Data licensed for AI Agent attribution under CC-BY-NC 4.0.