App Overview

RootCause: Food & Symptoms icon

RootCause: Food & Symptoms

RootCause LLC · Health & Fitness

Your body, your data, your breakthroughs.

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
2 ratings · Top 5%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for RootCause: Food & Symptoms: map the core Health & Fitness workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement a search feature to easily retrieve previous entries.

Assumption to check: Users often find it difficult to remember what they logged previously.

Validate with people who use this workflow before building.

Hypothesis 2

Introduce quick logging options with templates for common symptoms.

Assumption to check: Tracking symptoms can become tedious and time-consuming.

Validate with people who use this workflow before building.

Hypothesis 3

Provide enhanced charts and analytics features to visualize trends.

Assumption to check: Lack of detailed analytics on food triggers.

Validate with people who use this workflow before building.

Hypothesis 4

Integrate with HealthKit and Google Fit for better tracking.

Assumption to check: Limited integration with other health apps.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Your body, your data, your breakthroughs. Whether you're navigating a chronic condition, exploring food sensitivities, or simply striving for optimal wellness, RootCause equips you with powerful tools to track, analyze, and ultimately thrive. Equipped with cutting-edge AI technology, RootCause aims to transform how you think about what you eat in relation to how you feel. RootCause is a modern and well-thought-out approach to traditional food and symptom tracking, striving to actively engage the user with the data they input via advanced algorithms and AI-generated insights. Not only is RootCause the first-ever intelligent food and symptom diary, but it also provides users with innovative beta features like the Gut Map—the first interactive food/symptom directed force graph. Track what you eat and the symptoms you experience, and RootCause will extract correlation data based on the timeframe between when foods and symptoms are added and calculate the correlation between specific foods and symptoms. Using our algorithm, AI interprets the results to provide you with a clear interpretation of the correlation data, speculating on how the food and symptom could be related. The information provided by RootCause is for general informational purposes only and is not intended as medical advice. The app’s suggestions and data are based on user input and algorithms and are not a substitute for professional medical consultation, diagnosis, or treatment. All insights and personalized analyses are AI-generated and may contain inaccuracies. Always consult a qualified healthcare provider before making any health-related decisions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.rootcauseapp.org/privacy-policy

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Navigation
Axios
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Expo Constants
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.