Health-related content. Aggregated from public sources for informational purposes only. This is not medical advice. Consult a qualified professional before making decisions. .

InTolerApp: Histamine & FODMAP

InTolerApp: Histamine & FODMAP

By Hadt Work

InTolerApp is a food-intolerance scanner for iOS and Android that uses barcode and ingredient lookup to identify histamine, FODMAP, and allergen triggers.

The App DNA

What makes this app unique?

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.

For Individuals managing specific dietary restrictions, food intolerances, or allergies who require quick, reliable product verification while shopping.

What does it look like?

Key features

Barcode Scannerstandard

Camera-based lookup of product ingredients against a database to identify intolerance triggers.

Ingredient List Scanneredge

OCR-based text recognition for ingredient labels on products without barcodes or handwritten recipes.

Personalized Nutrition Profilesedge

Customizable filters for over 100 dietary profiles including FODMAP, histamine, and specific allergens.

How much does it cost?

freemiumFree basic versionPaid pro version

The freemium model gates advanced scanning capabilities behind a pro tier, anchored by a free version that provides core barcode functionality.

Velocity

Maintenance developmentUX improvementsperformanceShow more...

The app currently ships at a maintenance cadence, with approximately 0.08 releases per week. The latest release focused on rebuilding the barcode scanner and general performance improvements, marking the only significant update in the observed window. Development appears focused on stability and core utility rather than frequent feature expansion or live operations. The last update occurred 93 days ago, reflecting a stable but slow development cycle.

See all version history

Who built it?

Hadt Work

1 app tracked · Food & Drink

Explore the full publisher profile

User Sentiment

What do users think recently?

The recent review mood reads mixed. Users appreciate barcode and ingredient scanning features provide immediate dietary clarity for users managing complex food allergies and responsive customer support builds trust by addressing specific ingredient questions and adding requested allergy categories, but report aggressive paywall implementation forces users into subscription flows before they can evaluate core app functionality.

How are ratings & reviews evolving?

Google Play
4.36 · 2k
App Store
4.76 · 195

What users say, by theme

What Users Love
  • 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
What Frustrates Users
  • Aggressive paywall implementation forces users into subscription flows before they can evaluate core app functionality
+ 2 more themes
What Users Want 1 request inside

63 of 63 recent reviews analyzed · high confidence · Mixed overall

Read the full review analysis

Unlock 2 more frustration themes and 1 user request, each backed by review evidence.

Access the full report for free

Competition

Competitive landscape for InTolerApp: Histamine & FODMAP

How's the Food & Drink market?

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.

Read the market outlook

The rivals identified

Halal Scanner: Barcode & ECode

By Easy MT

Both apps target the same grocery shopping use case by utilizing barcode scanning to filter product suitability based on specific dietary or religious requirements.

  • 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.
InTolerApp: Histamine & FODMAP vs Halal Scanner: Barcode & ECode

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for InTolerApp: Histamine & FODMAP

Where is it heading?

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.

The 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.
Critical Frictions 2 weaknesses inside
Growth Levers
  • Localized database expansion in high-ARPU markets could capture users currently underserved by crowdsourced, less-accurate alternatives.
Market Threats 1 threat identified

Next best moves

1 Pivot · 1 Invest

A/B test a free-trial gate instead of a hard paywall because users report the current flow hides core value → increase conversion velocity

+ 1 more prioritized move

The counter-intuitive read

The reliance on OpenFoodFacts data is a strategic liability…

Read the full take

Feature gaps

Proprietary health scoring (available in Yuka but absent here) +1

Since the last report: 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.

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.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

Access the full report for free

Sources

  1. [1] Play Store listing, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by InTolerApp: Histamine & FODMAP, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

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.

shifted

Regional Market Focus

shifted

Competitive Threat Re-alignment

shifted

Roadmap Prioritization

added

Medical Disclaimer FAQ

Cite this report

Marlvel.ai. “InTolerApp: Histamine & FODMAP Intelligence Report.” Updated Aug 26, 2026. https://marlvel.ai/apps/intolerapp-histamine-fodmap

Agent Markdown (.md)See methodologyContact support

Data licensed under CC-BY-NC 4.0