--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Coherence Cardiaque - Cadyne" developer_entity: "VAST FLOW, TOO" bundle_id: "com.vastflow.cadyne" app_store_id: "6777854765" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-06-22" report_date: "2026-10-23" last_verified: "2026-10-23T00:00:00.000Z" report_version: "1.0" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 22 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["health & fitness", "free", "mobile app", "app review", "app analysis", "individuals", "seeking", "private,"] canonical_url: "https://marlvel.ai/apps/coherence-cardiaque-cadyne" 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. --- # Coherence Cardiaque - Cadyne Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Free > **TL;DR:** Coherence Cardiaque - Cadyne is a health & fitness app by VAST FLOW, TOO, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Coherence Cardiaque - Cadyne is a health & fitness app by VAST FLOW, TOO. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Health & Fitness | | **Developer** | VAST FLOW, TOO | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 22d | ## Metadata & Market Performance - **Publisher:** VAST FLOW, TOO - **Category:** Health & Fitness - **Target Audience:** Individuals seeking a private, simple tool for guided breathing and heart rate variability tracking. - **Platforms:** iOS - **Version Reviewed:** 1.0 - **Report Date:** 2026-10-23 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6777854765 - **Bundle ID:** com.vastflow.cadyne - **Data Window:** Analysis based on signals collected up to 2026-10-23 ## Executive Snapshot **What it is:** Coherence Cardiaque is a breathing-practice timer for iOS that provides guided visual and audio cues for various breathing patterns. **Why users hire it:** It removes the friction of account creation and data tracking, serving users who want a private, local-only tool for daily mindful breathing. ## App DNA (Features & Intent) - **[Standard] Cardiac Coherence Pacing Engine:** Visual and audio guides for 365 method, box breathing, 4-7-8, and resonance breathing patterns. * *User Intent:* Users need clear guidance to understand and adopt the product quickly. - **[Differentiator] Protocol Editor:** Customizable breathing patterns allowing manual adjustment of inhale, hold, exhale, and pause durations. * *User Intent:* Users value self-expression and personalized experiences. - **[Differentiator] Privacy-First Architecture:** No account creation, no server-side data storage, and no analytics or tracking SDKs. * *User Intent:* Users prioritize data protection and trust in the platform. ## Market Position {#market-position} Coherence Cardiaque operates as a free, privacy-first utility in the Health & Fitness category. Its lack of monetization and account requirements differentiates it from subscription-heavy rivals, though its dormant update cadence limits its competitive reach. ## Monetization Strategy - **Model:** Free - **Tiers:** Free, no account required - **Analysis:** The app operates as a free, privacy-focused utility with no visible monetization or account-based gates. ## SWOT Analysis {#swot} **Core Strengths:** - Privacy-first architecture (no tracking) serves as a defensible barrier against data-harvesting rivals **Growth Levers:** - Introduce optional premium features to monetize power users without compromising privacy ## App Momentum (Maintenance) {#momentum} - Launched June 2026. - No updates in 4 months. > **Cadence:** 1 total versions · 0 majors in last 6 months · 123 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Coherence Cardiaque - Cadyne is a health & fitness app that is completely free. > **Bottom Line:** Coherence Cardiaque's privacy-first design is a strong differentiator, but the four-month development silence threatens its long-term viability. Restoring a regular update cadence would signal to users that the app is a reliable, supported tool rather than a abandoned project. **Best for:** Individuals seeking a private, simple tool for guided breathing and heart rate variability tracking. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Ship a minor stability update because the app has been dormant for 4 months → restore user confidence in long-term support ### Outlook: Declining The breathing-timer market is consolidating around apps that offer consistent live-ops and content updates, leaving Coherence Cardiaque exposed. Without a return to active development, the app will likely lose visibility to competitors that iterate on user feedback and feature requests. - 🔴 The app has received zero updates in 123 days, signaling a maintenance-only posture that risks user churn due to lack of support. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Coherence Cardiaque - Cadyne** (this app) | N/A/5 | N/A | VAST FLOW, TOO | | [Mind - Méditations guidées](https://marlvel.ai/apps/mind-m-ditations-guid-es) | 4.6/5 | Excited | MIND AND CIE | | [Caspar Health](https://marlvel.ai/apps/caspar-health) | 3.6/5 | Mixed | GOREHA GmbH | | [evolum - Meditation & Yoga](https://marlvel.ai/apps/evolum-meditation-yoga) | 4.7/5 | Excited | Rodger Studio (Apps) | | [FAMHLTH: Family Health Tracker](https://marlvel.ai/apps/famhlth-family-health-tracker) | N/A/5 | N/A | Quinton Nixon | | [Gluten Checker](https://marlvel.ai/apps/gluten-checker) | N/A/5 | N/A | JIRI CHOMAT | ## Company Profile - **Developer:** VAST FLOW, TOO ## Data Sources & Links - **App Store ID:** 6777854765 - **Sources:** App store metadata. ## Related Intel Reports - [*Mind - Méditations guidées*](https://marlvel.ai/apps/mind-m-ditations-guid-es) (MIND AND CIE) · 4.6/5 Rating | Positive Sentiment - [*Caspar Health*](https://marlvel.ai/apps/caspar-health) (GOREHA GmbH) · 3.6/5 Rating - [*evolum - Meditation & Yoga*](https://marlvel.ai/apps/evolum-meditation-yoga) (Rodger Studio (Apps)) · 4.7/5 Rating | Positive Sentiment - [*FAMHLTH: Family Health Tracker*](https://marlvel.ai/apps/famhlth-family-health-tracker) (Quinton Nixon) · N/A Rating - [*Gluten Checker*](https://marlvel.ai/apps/gluten-checker) (JIRI CHOMAT) · N/A Rating - [*Gluten Free For Me*](https://marlvel.ai/apps/gluten-free-for-me) (Adam First) · 4.8/5 Rating - [*GoTall - Height Predictor*](https://marlvel.ai/apps/gotall-height-predictor) (Grow Labs LLC) · 4.6/5 Rating - [*Lunara: Cycle, Symptom Tracker*](https://marlvel.ai/apps/lunara-cycle-symptom-tracker) (Fuzhou Jiku Technology Co., Ltd.) · N/A Rating - [*Medical Kundali Match Health*](https://marlvel.ai/apps/medical-kundali-match-health) (Medical Match Pvt Ltd) · N/A Rating - [*Ovulation Predictor*](https://marlvel.ai/apps/ovulation-predictor) (RAHI PATEL) · 1.0/5 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 22 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/coherence-cardiaque-cadyne) Data licensed for AI Agent attribution under CC-BY-NC 4.0.