--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "InTolerApp: Histamine & FODMAP" developer_entity: "Hadt Work GmbH" bundle_id: "de.jonahhadt.intoler" app_store_id: "6446506660" category: "Food & Drink" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-05-25" report_date: "2026-08-26" last_verified: "2026-08-26T00:00:00.000Z" report_version: "5.0.5" total_reviews: 2229 overall_rating: 4.4 sentiment: "Mixed" sentiment_score: 45 confidence: "high" confidence_score: 0.7 top_praise_theme: "Barcode and ingredient scanning features provide immediate dietary clarity for users managing complex food allergies" top_complaint_theme: "Aggressive paywall implementation forces users into subscription flows before they can evaluate core app functionality" review_sample_size: 63 total_review_count: 63 analyzed_review_count: 63 data_age_days: 35 momentum_velocity: "maintenance" intelligence_version: 3 nemesis: "Halal Scanner: Barcode & ECode" competitor_count: 23 tags: ["food & drink", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "individuals", "managing", "specific"] canonical_url: "https://marlvel.ai/apps/intolerapp-histamine-fodmap" 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. --- # InTolerApp: Histamine & FODMAP Intelligence Report ## TL;DR {#tldr} - **Category**: Food & Drink · Freemium - **Signal**: Rating 4.4 · Sentiment Mixed - **Recent focus**: Aggressive paywall implementation forces users into subscription flows before they can evaluate core app functionality (top complaint) · Barcode and ingredient scanning features provide immediate dietary clarity for users managing complex food allergies (top praise) > **TL;DR:** InTolerApp: Histamine & FODMAP is a food & drink app by Hadt Work GmbH, rated 4.4/5 by 2.2K users, with Mixed user sentiment (45/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** InTolerApp: Histamine & FODMAP shows Mixed sentiment (4.4/5 from 2.2K reviews) - users praise barcode and ingredient scanning features provide immediate dietary clarity for users managing complex food allergies but report issues with aggressive paywall implementation forces users into subscription flows before they can evaluate core app functionality. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.4/5 (2.2K reviews) | | **User Mood** | Mixed | | **Category** | Food & Drink | | **Developer** | Hadt Work GmbH | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 35d | ## Metadata & Market Performance - **Publisher:** Hadt Work GmbH - **Category:** Food & Drink - **Target Audience:** Individuals managing specific dietary restrictions, food intolerances, or allergies who require quick, reliable product verification while shopping. - **Platforms:** iOS & Android - **Version Reviewed:** 5.0.5 - **Report Date:** 2026-08-26 - **Signal Count:** 63 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 6446506660 - **Bundle ID:** de.jonahhadt.intoler - **Google Play ID:** de.jonahhadt.intoler - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-08-26 - **Short Description:** Scan histamine, fructose, lactose, FODMAP, sorbitol, allergens & diets etc. ## Executive Snapshot **What it is:** InTolerApp is a food-intolerance scanner for iOS and Android that uses barcode and ingredient lookup to identify histamine, FODMAP, and allergen triggers. **Why users hire it:** It removes the cognitive cost of manual label reading for users with strict medical diets, replacing hours of research with an instant traffic-light safety verdict. ## App DNA (Features & Intent) - **[Standard] Barcode Scanner:** Camera-based lookup of product ingredients against a database to identify intolerance triggers. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Ingredient List Scanner:** OCR-based text recognition for ingredient labels on products without barcodes or handwritten recipes. * *User Intent:* Users seek enhanced value through premium features. - **[Differentiator] Personalized Nutrition Profiles:** Customizable filters for over 100 dietary profiles including FODMAP, histamine, and specific allergens. * *User Intent:* Users value self-expression and personalized experiences. ## Market Position {#market-position} InTolerApp holds a #11 Grossing position in the German Food & Drink category, reflecting strong regional resonance. The reliance on a freemium model creates a conversion bottleneck where aggressive paywall prompts before core evaluation limit new-user retention. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free basic version, Paid pro version - **Analysis:** The freemium model gates advanced scanning capabilities behind a pro tier, anchored by a free version that provides core barcode functionality. ## 🟡 User Sentiment (High Confidence: 63 of 63 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.4/5 - **Platform Split:** iOS 4.8/5 (195 ratings) | Android 4.4/5 (2K ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Barcode and ingredient scanning features provide immediate dietary clarity for users managing complex food allergies** - **Responsive customer support builds trust by addressing specific ingredient questions and adding requested allergy categories** ### Top Complaints (Impact Areas) - **Aggressive paywall implementation forces users into subscription flows before they can evaluate core app functionality** ## SWOT Analysis {#swot} **Core Strengths:** - Granular medical intolerance filtering (histamine, FODMAP) creates a defensible barrier against generic allergen scanners. - Responsive developer support builds trust through active incorporation of user-requested allergy categories. **Growth Levers:** - Localized database expansion in high-ARPU markets could capture users currently underserved by crowdsourced, less-accurate alternatives. ## Recent Changes (v2 → v3) {#recent-changes} The product roadmap has pivoted to prioritize conversion-focused A/B testing over database growth, while the competitive narrative has shifted to emphasize regional market performance and the threat of AI-driven health scoring. **Overall trend**: Mixed **Compared at**: 2026-08-26 ### High-impact changes - **[Shifted] Roadmap Prioritization** (positioning) ### Medium-impact changes - **[Shifted] Regional Market Focus** (positioning) - **[Shifted] Competitive Threat Re-alignment** (swot) ### Low-impact changes - **[Added] Medical Disclaimer FAQ** (sentiment) ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### InTolerApp: Histamine & FODMAP vs Halal Scanner: Barcode & ECode - **Halal Scanner: Barcode & ECode**: Both apps target the same grocery shopping use case by utilizing barcode scanning to filter product suitability based on specific dietary or religious requirements. - **Key differences:** - InTolerApp targets medical intolerance profiles like histamine and fructose, while Halal Scanner focuses on religious dietary compliance. - Halal Scanner claims a database of over 1 million products, whereas InTolerApp emphasizes customizable intolerance and allergy settings. ### Peers (What They Do Better) - **[Gluten Free Scanner](https://marlvel.ai/apps/gluten-free-scanner)**: Serves a similar health-management need for celiac users, though it relies on crowdsourced data rather than professional verification. - Crowdsourced database model reduces operational overhead - Offline mode enables usage without connectivity - **TagHalal: Halal Food Scanner**: Provides a specialized barcode and OCR scanner for religious dietary compliance, mirroring the core scanning utility of the source app. - Ingredient scanner uses OCR to identify E-codes and additives - Visual status indicators clarify Halal, Haram, or Mushbooh status - **[Yuka - Food & Cosmetic Scanner](https://marlvel.ai/apps/yuka-food-cosmetic-scanner)**: Operates in the same food transparency space by using a barcode scanner to provide health impact scores for products. - Proprietary color-coded health scoring simplifies complex ingredient labels - Recommends healthier alternatives to help users make better purchasing decisions - **Kosher Scanner - Is it Kosher?**: Offers a similar barcode and photo-based scanning utility for users with specific religious dietary requirements. - Analyzes E-numbers and additives for meat, dairy, or pareve status - Photo scan identifies kosher symbols on packaging - **FoodLog: IBS & FODMAP Tracker**: Focuses on symptom tracking for IBS and FODMAP, serving as a companion for users who need to correlate diet with digestive health. - Specialized symptom tracker links meals to digestive issues like bloating or acid reflux - Designed for family-wide well-being tracking beyond individual calorie counting - **[Fig: Food Scanner & Guide](https://marlvel.ai/apps/com-foodisgood-fig)**: Targets the same dietary restriction market by providing a scanner that supports thousands of profiles including Low FODMAP. - Supports over 2,800 dietary profiles for personalized food discovery - **[Allergy & Food Scanner: Nosher](https://marlvel.ai/apps/com-nosher-app)**: Extends the scanning utility to both food and cosmetics, addressing the same health-conscious audience as the source app. - Multi-profile family management system tracks dietary needs for multiple users - Dual-utility approach scans both food and cosmetic products - **[Spoonful: Diet & Food Scanner](https://marlvel.ai/apps/spoonful-diet-food-scanner)**: Provides a specialized dietary assistant that uses traffic-light coding to help users identify safe ingredients for IBS and FODMAP needs. - Dietitian-reviewed database accounts for hidden ingredients - Traffic-light analysis provides instant safety assessments for packaged goods - **[Read the Labels - Food Scanner](https://marlvel.ai/apps/readthelabelscanner)**: Uses a barcode scanning loop to categorize ingredients as good or bad, serving the same health-conscious demographic. - Binary ingredient rating simplifies complex label reading for quick decisions - Community-driven database expansion allows users to upload missing products - **Food Check: Scanner App**: Offers a barcode and packaging scanner for food and cosmetics, providing insights into ingredients and additives. - AI chat assistant provides instant answers about nutrition and safety - Database covers 100 million products for broad search capabilities - **Ask Ingrid: Food Intolerance**: Acts as a science-based companion for managing food intolerances like fructose, lactose, and FODMAPs. - Data is developed in collaboration with experts from the nmi portal - Includes a nutrition and symptom diary for tracking body reactions - **[FODMAP Snap: SIBO Diet Tracker](https://marlvel.ai/apps/low-fodmap-diet-sibo-tracker)**: Uses AI to analyze food for FODMAP content, helping users manage SIBO and IBS triggers. - AI-powered food analysis via photo, voice, or text input - Tracks symptom patterns to identify personal food triggers - **[Allergy & Vegan Scan - Soosee](https://marlvel.ai/apps/com-goodsnooze-allergy)**: Provides an offline OCR scanning tool for ingredient labels, targeting users with specific dietary restrictions. - Offline functionality enables instant ingredient transparency without connectivity - Supports over 30 categories and 18 languages for global utility - **IBS Pal: FODMAP Scanner**: Combines FODMAP ratings with symptom tracking to help users manage IBS and IBD. - AI-powered insights tailored to specific IBS subtypes like IBS-D or IBS-C - Breakdown of FODMAP groups explains why a food is high or low - **Lunchly: histamine, fructose..**: Curates food information for users with intolerances, providing a barcode scanner for shopping assistance. - Foods are organized based on specific user tolerances - Ingredient scan analyzes contents to highlight potential triggers - **HITS DB Histamine Intolerance**: Focuses on histamine intolerance with a community-driven database of over 700 items. - Community ratings allow users to contribute and customize entries - VoiceOver support provides an integrated experience for accessibility - **FODMAP Scanner: IBS Diet**: Provides label and barcode scanning for FODMAP content to assist with IBS and SIBO management. - Symptom tracker logs suspected triggers alongside food analysis - Scans recipes and ingredient lists for FODMAP content - **Food Allergy Scan AllergySnap**: Uses AI to detect allergens in food labels, serving users with specific dietary restrictions. - Unlimited barcode scans without caps or fees - AI-powered photo scanning catches ingredients that standard scanners miss - **IngrediCheck: Food Scanner**: Allows users to define custom food rules for scanning, covering allergies and intolerances like FODMAP and histamine. - Multi-profile support allows families to manage different food rules - Users describe food rules in plain English for custom verdicts - **Histamine Tracker: Food Diary**: Connects food intake to symptoms to help users identify histamine triggers. - Automatically generates daily findings that surface patterns in logged data - Camera-based scanning reveals histamine levels without manual typing ### New Kids on the Block (What's Innovative) - **Gluten Free Scanner: GF Foods**: Analyzes ingredients for gluten content to assist users with celiac disease or intolerances. - Machine learning and OCR support convert complex labels into readable text - Identifies gluten-related ingredients and highlights allergens - **Toxiq - Food Scanner**: Provides a safety score for food products based on additives, allergens, and processing levels. - Personal safety score from 0 to 100 explains product suitability in plain English - NOVA processing levels categorize products from 1 to 4 ## What's New - **Latest (v5.0.5, 3 months ago):** Rebuilt the barcode scanner for improved accuracy and reliability. ## App Momentum (Maintenance) {#momentum} - Ships bug fixes at 13-week cadence. - Rebuilt barcode scanner in latest release. > **Cadence:** 2 total versions · 1 majors in last 6 months · 93 days since last update · 0 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} InTolerApp: Histamine & FODMAP is a food & drink app that is free with in-app purchases. With a 4.4/5 rating from 2.2K reviews, it shows mixed user reception. > **Bottom Line:** InTolerApp's medical-grade intolerance filtering provides a strong foundation, but the current paywall friction and scanner instability are eroding the user base. Shifting to a trial-based conversion model would address the primary churn driver while restoring scanner reliability secures the core retention loop. **Best for:** Individuals managing specific dietary restrictions, food intolerances, or allergies who require quick, reliable product verification while shopping. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] A/B test a free-trial gate instead of a hard paywall because users report the current flow hides core value → increase conversion velocity ### Feature Gaps vs Competitors - Proprietary health scoring (available in Yuka but absent here) ### Outlook: Mixed The food-scanner market is consolidating around apps that offer either proprietary health scoring or verified dietitian-reviewed databases. InTolerApp's maintenance-mode cadence leaves it exposed to these more active rivals, meaning the current scanner instability will likely accelerate churn into Q4 unless the core utility is restored. - 🔴 Scanner reliability failures in the latest release erode the daily habit, which compounds the rating drag already visible on Android. - 🟢 Responsive developer support for new allergy categories maintains high trust among the core, long-term user base. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.4/5 | | Total Reviews | 2.2K | | Sentiment | Mixed (45/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **InTolerApp: Histamine & FODMAP** (this app) | 4.4/5 | Mixed | Hadt Work GmbH | | [Read the Labels - Food Scanner](https://marlvel.ai/apps/readthelabelscanner) | 4.6/5 | Excited | Smiley Solutions LLC | | [Allergy & Food Scanner: Nosher](https://marlvel.ai/apps/com-nosher-app) | 4.6/5 | N/A | VUNYO | | [Fig: Food Scanner & Guide](https://marlvel.ai/apps/com-foodisgood-fig) | 4.7/5 | N/A | Food is Good, Inc. | | [Soosee - Allergy & Vegan Scan](https://marlvel.ai/apps/com-goodsnooze-allergy) | 4.3/5 | N/A | Good Snooze | | [Yuka - Food & Cosmetic Scanner](https://marlvel.ai/apps/yuka-food-cosmetic-scanner) | 4.8/5 | Excited | Yuca | ## Company Profile - **Developer:** Hadt Work GmbH - **Website:** [https://intoler.app](https://intoler.app) - **Social:** [Instagram](https://www.instagram.com/intolerapp) · [Facebook](https://www.facebook.com/profile.php?id=61556693617034) · [YouTube](https://www.youtube.com/@intolerapp) · [TikTok](https://www.tiktok.com/@intolerapp) · [LinkedIn](https://www.linkedin.com/company/intolerapp) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/de/app/histamin-fructose-intolerapp/id6446506660?uo=2) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=de.jonahhadt.intoler&hl=en&gl=us) - **Dev Site:** [Official Website](https://intoler.app) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Read the Labels - Food Scanner*](https://marlvel.ai/apps/readthelabelscanner) (Smiley Solutions LLC) · 4.6/5 Rating | Positive Sentiment - [*Allergy & Food Scanner: Nosher*](https://marlvel.ai/apps/com-nosher-app) (VUNYO) · 4.6/5 Rating - [*Fig: Food Scanner & Guide*](https://marlvel.ai/apps/com-foodisgood-fig) (Food is Good, Inc.) · 4.7/5 Rating - [*Soosee - Allergy & Vegan Scan*](https://marlvel.ai/apps/com-goodsnooze-allergy) (Good Snooze) · 4.3/5 Rating - [*Yuka - Food & Cosmetic Scanner*](https://marlvel.ai/apps/yuka-food-cosmetic-scanner) (Yuca) · 4.8/5 Rating | Positive Sentiment - [*Spoonful: Diet & Food Scanner*](https://marlvel.ai/apps/spoonful-diet-food-scanner) (Spoonful Inc.) · 4.6/5 Rating - [*Low FODMAP Diet & SIBO Tracker*](https://marlvel.ai/apps/low-fodmap-diet-sibo-tracker) (Prestige Worldwide Apps LLC) · 4.6/5 Rating - [*Gluten Free Scanner*](https://marlvel.ai/apps/gluten-free-scanner) (Food Barcode Scanner Ltd) · 4.5/5 Rating - [*Beyond Menu Food Delivery*](https://marlvel.ai/apps/beyond-menu-food-delivery) (BeyondMenu) · 4.6/5 Rating - [*Caviar - Order Food Delivery*](https://marlvel.ai/apps/caviar-order-food-delivery) (Caviar, Inc.) · 4.6/5 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:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 63 - **Data Sources:** user reviews, developer website, 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:** 35 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/intolerapp-histamine-fodmap) Data licensed for AI Agent attribution under CC-BY-NC 4.0.