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.
App Overview
TrackUrNutri
TrackUrNutri — le journal nutritionnel intelligent, privé et sans abonnement.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included15 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.
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for TrackUrNutri: map the core Lifestyle 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 barcode scanner for quick meal logging.
Assumption to check: Users struggle with logging meals accurately and quickly.
Validate with people who use this workflow before building.
Hypothesis 2
Include AI-driven suggestions based on logged meals.
Assumption to check: Lack of personalized nutrition insights.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription options and provide clear benefits.
Assumption to check: Subscription management can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Add social features allowing users to share meals and insights.
Assumption to check: Limited community features for sharing progress.
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
TrackUrNutri — le journal nutritionnel intelligent, privé et sans abonnement. Photographiez votre repas : l'IA estime les calories, les macros et l'impact glycémique. Vous corrigez, vous validez, c'est prêt. • Analyse par photo (IA) : aliments, quantités et calories estimés • Votre propre clé IA (OpenAI, Anthropic, Gemini, Grok, Mistral) — aucun abonnement, aucun achat intégré • 100 % privé : pas de compte, données sur l'appareil + iCloud • Macros (protéines / glucides / lipides) + index et charge glycémiques (IG/CG), par plat et par jour • Coach nutrition : estimez un aliment avant de le manger, et repérez ce qui coûte le plus cher en calories • Score du jour, calories, besoin, hydratation, activité, alcool, poids • Repas multi-assiettes (entrée, plat, dessert…) • Historique, bilan du mois et statistiques • Rapport hebdomadaire PDF + export CSV pour votre nutritionniste • iPhone + Mac synchronisés via iCloud • Français / English, sources scientifiques citées Toutes les valeurs sont des estimations à visée informative. Elles ne constituent pas un avis médical. ######################################################################## # ENGLISH ######################################################################## TrackUrNutri — the smart food journal: private and subscription-free. Snap your meal: the AI estimates calories, macros and glycemic impact. You edit, you confirm, done. • Photo analysis (AI): foods, quantities and calories estimated • Your own AI key (OpenAI, Anthropic, Gemini, Grok, Mistral) — no subscription, no in-app purchase • 100% private: no account, data on device + iCloud • Macros (protein / carbs / fat) + glycemic index & load (GI/GL), per dish and per day • Nutrition Coach: estimate a food before you eat it, and spot what costs the most calories • Daily score, calories, needs, hydration, activity, alcohol, weight • Multi-plate meals (starter, main, dessert…) • History, monthly summary and statistics • Weekly PDF report + CSV export for your nutritionist • iPhone + Mac synced via iCloud • English / Français, scientific sources cited All values are estimates for information only. They are not medical advice.
Written user reviews are not shown here. Check current App Store reviews >
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.
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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.
