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
Price Breakdown
Price Breakdown
$0.99
PRICE
$0.99
No 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 included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Price Breakdown: map the core Finance 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
Use graphs or charts for better visualization of breakdowns.
Assumption to check: Users find it hard to visualize detailed breakdowns
Validate with people who use this workflow before building.
Hypothesis 2
Add features for tracking price trends over time.
Assumption to check: Limited functionality for tracking historical prices
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to customize categories and components in the breakdown.
Assumption to check: Lack of customization options for users
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
Price Breakdown Price Breakdown is the simple, intuitive app that helps you make smarter shopping decisions. Instantly calculate the price per unit of any product to quickly compare deals and find the best value—whether you're shopping at home or traveling abroad. Perfect for: • Grocery shopping - Compare different package sizes • Warehouse clubs - Calculate unit prices for bulk purchases • Sale hunting - Find the real deal among competing offers • Budget planning - Make informed purchasing decisions • International travel - Convert foreign prices to your home currency • Shopping abroad - Understand real costs in your local currency FEATURES: • Quick calculations - Enter price and units, get instant results • Currency exchange - Convert prices from 195+ countries to your home currency • Real-time exchange rates - Automatic updates with manual refresh option • Travel country management - Save up to 3 favorite travel destinations for quick access • Dual conversion display - See both item price and cost per unit in your home currency • Home country settings - Set your default currency for all conversions • Clear display - Easy-to-read interface shows cost per unit • No-fuss design - Clean, distraction-free experience • Accurate results - Precision pricing with two decimal places • Smart keyboard - Auto-dismisses after 3 seconds for seamless use Whether you're at the supermarket, shopping online, or traveling the world, Price Breakdown puts the power of price comparison in your pocket. Make every dollar count, no matter where you are. Download Price Breakdown today and become a smarter shopper! WHAT'S NEW (Version 1.1) Version 1.1 includes all the features from our initial release plus: • Enhanced travel country management with saved favorites • Improved currency exchange interface • Better organization of settings and preferences Original features: • Instant price per unit calculations • Currency exchange for 195+ countries • Real-time exchange rate updates • Home and travel country preferences • Save up to 3 favorite travel destinations • Dual currency conversion (item price and cost per unit) • Clean, easy-to-use interface • Support for all iOS devices • Landscape and portrait orientation support SUPPORT URL (Optional) https://halhitchcock.com/support.html PRIVACY POLICY (Required) Price Breakdown respects your privacy. We do not collect, store, or transmit any personal user data. Data Usage: • Exchange rates are fetched from a public API (exchangerate-api.com) to provide real-time currency conversion • Exchange rates are cached locally on your device for 24 hours to minimize network requests • Your home country and travel country preferences are stored locally on your device only • All calculations are performed locally on your device We do not use analytics, tracking, advertising, or any third-party services that collect personal information. Your shopping data and calculations remain completely private on your device.
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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 Native
Expo
AsyncStorage
react-native-paper
react-hook-form
BUILD KIT DIFFICULTY
Starter
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.
