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.
Cost Consultant is a practical, easy-to-use tool designed to help you compare costs, evaluate units, and make smarter financial decisions whether you're working on construction, materials selection, procurement, labor...
$0.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Cost Consultant: 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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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
Assumption to check: Lack of user reviews and feedback can deter users from trusting the app.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in data visualization may frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited functionality compared to competitors.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Cost Consultant is a practical, easy-to-use tool designed to help you compare costs, evaluate units, and make smarter financial decisions whether you're working on construction, materials selection, procurement, labor budgeting, or everyday project planning. This app allows you to quickly enter cost and unit information for two scenarios—A and B—and instantly see which one provides better value. By showing detailed breakdowns such as Unit per Money, Money per Unit, and percentage savings, Cost Consultant removes guesswork and helps you choose the most cost-effective option with confidence. 1. Simple and Clear Cost Comparison Enter your values for two options (A and B), select units (like sq ft, lb, item, gal, ft, and more), and instantly get: Cost per unit Units per currency Which option is cheaper Exact percentage of savings The app displays results in a clean, easy-to-read format so you immediately understand the cost difference. 2. Multiple Cost Categories Choose among: Materials Labor Sub-Project Each category provides its own input area with organized fields for quick, accurate entry. 3. Savings Highlighted Clearly Cost Consultant not only tells you which option is cheaper — it shows: How much cheaper Savings percentage Clear emoji indicators for readability This makes it great for real-time decision-making during shopping or project planning. Why You’ll Love It Extremely easy to use Helps save money and avoid overpaying Works for many measurement units Fast, clean, and accurate No clutter, just practical tools Designed for real-world decision making
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.