--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Tummy - Bloating & Gut Health" developer_entity: "David Kozin" bundle_id: "com.devshot.tummy" app_store_id: "6758319722" category: "Health & Fitness" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-03-23" report_date: "2026-10-03" last_verified: "2026-10-03T00:00:00.000Z" report_version: "1.0a" total_reviews: 148 overall_rating: 4.6 sentiment: "Upset" sentiment_score: 10 confidence: "low" confidence_score: 0.25 top_complaint_theme: "The application fails to launch or perform basic input tasks following the latest update" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 4 momentum_velocity: "zombie" intelligence_version: 2 tags: ["health & fitness", "subscription", "upset sentiment", "mobile app", "app review", "app analysis", "individuals", "experiencing", "recurring"] canonical_url: "https://marlvel.ai/apps/tummy-bloating-gut-health" 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. --- # Tummy - Bloating & Gut Health Intelligence Report ## TL;DR {#tldr} - **Category**: Health & Fitness · Subscription - **Signal**: Rating 4.61 · Sentiment Upset - **Recent focus**: The application fails to launch or perform basic input tasks following the latest update (top complaint) > **TL;DR:** Tummy - Bloating & Gut Health is a health & fitness app by David Kozin, rated 4.61/5 by 148 users, with Upset user sentiment (10/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Tummy - Bloating & Gut Health faces Upset user sentiment (4.61/5 from 148 reviews), with users reporting the application fails to launch or perform basic input tasks following the latest update as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.61/5 (148 reviews) | | **User Mood** | Upset | | **Category** | Health & Fitness | | **Developer** | David Kozin | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | Low (0.25/1.0) | | **Data Age** | 4d | ## Metadata & Market Performance - **Publisher:** David Kozin - **Category:** Health & Fitness - **Target Audience:** Individuals experiencing recurring digestive discomfort who want to identify specific dietary triggers through logging and analysis. - **Platforms:** iOS - **Version Reviewed:** 1.0a - **Report Date:** 2026-10-03 - **Signal Count:** 1 review analyzed - **Confidence:** Low (0.25/1.0) - **App Store ID (iOS):** 6758319722 - **Bundle ID:** com.devshot.tummy - **Data Window:** Analysis based on signals collected up to 2026-10-03 ## Executive Snapshot **What it is:** Tummy is a gut-health tracking app for iOS that uses image recognition to help users identify dietary triggers for bloating. **Why users hire it:** The app removes the cognitive friction of manual food logging by using photo analysis to correlate meals with digestive symptoms. ## App DNA (Features & Intent) - **[Differentiator] Meal Photo Analysis:** Uses image recognition to scan meals and generate a bloat score for the user - **[Differentiator] Ingredient Trigger Identification:** Analyzes food logs over time to correlate specific ingredients with stomach issues ## Market Position {#market-position} Tummy occupies a specialized niche in the Health & Fitness category, relying on a subscription-only model that gates all diagnostic features. With a 4.61 rating across 148 total platform ratings, the app's current utility is constrained by a 194-day release gap that has left performance regressions unresolved. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier for initial lifestyle questions, Subscription required for food scanning, trigger analysis, and ingredient information - **Analysis:** Subscription-only model for core functionality, gating all diagnostic and scanning features behind a paywall. ## 🔴 User Sentiment (Low Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 4.61/5 - **Platform Split:** iOS 4.6/5 (148 ratings) - **Overall Sentiment:** Upset - **Note:** The 4.61/5 store rating reflects cumulative history, while the Upset sentiment reflects recent user reviews analyzed by our AI pipeline. ### Top Complaints (Impact Areas) - **The application fails to launch or perform basic input tasks following the latest update** ## SWOT Analysis {#swot} **Core Strengths:** - Visual-first meal scanning engine lowers user friction **Growth Levers:** - Localized ingredient databases for international market expansion ## What's New - **Latest (v1.0a, 6 months ago):** Introduced meal scan reminders, bloating-aware food alternatives, historical data access, a refined calorie tracker, manual time adjustments, and ingredient-level analysis. ## App Momentum (Zombie) {#momentum} - No major releases in 194 days. - Stalled development cycle since March 2026. > **Cadence:** 1 total versions · 1 majors in last 6 months · 194 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Tummy - Bloating & Gut Health is a health & fitness app. It holds a 4.61/5 rating from 148 reviews. > **Bottom Line:** Restoring basic input functionality is the immediate priority, as the current build's failure to accept user data invalidates the subscription value proposition. **Best for:** Individuals experiencing recurring digestive discomfort who want to identify specific dietary triggers through logging and analysis. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Rebuild input validation logic because the current build prevents basic height/weight entry → restore core utility ### Outlook: Declining The outlook for Tummy is declining due to a lack of active development and critical functional regressions. Without a rapid update to address input failures, the app will continue to lose its remaining user base to more stable, frequently updated health-tracking alternatives. - 🔴 The 194-day release gap indicates a lack of active maintenance, which erodes user trust in a health-diagnostic tool. - 🔴 Performance regressions in the latest build prevent basic data entry, leading to immediate churn and negative sentiment. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.61/5 | | Total Reviews | 148 | | Sentiment | Upset (10/100) | | Confidence | Low | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 2 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Tummy - Bloating & Gut Health** (this app) | 4.61/5 | Upset | David Kozin | | [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 | | [GoTall - Height Predictor](https://marlvel.ai/apps/gotall-height-predictor) | 4.6/5 | Mixed | Grow Labs LLC | ## Company Profile - **Developer:** David Kozin ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/tummy-bloating-gut-health/id6758319722?uo=4) - **Sources:** App store metadata, User reviews. ## 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 - [*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 - [*Revu: Custom Skincare Analysis*](https://marlvel.ai/apps/revu-custom-skincare-analysis) (Joshua Roberts) · 5.0/5 Rating - [*SimplySkin - AI Skincare*](https://marlvel.ai/apps/simplyskin-ai-skincare) (HETA PATEL) · N/A 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:** 0.25/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **Data Sources:** user reviews, 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:** 4 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/tummy-bloating-gut-health) Data licensed for AI Agent attribution under CC-BY-NC 4.0.