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.
The hardest thing about tracking business expenses is remembering to record them
$4.99 · 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 Pocket Expenses: 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: Users find it difficult to categorize expenses accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited reporting features.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No reminders for recurring expenses.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Poor customer support.
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.
The hardest thing about tracking business expenses is remembering to record them. With this app in your pocket, you can quickly and easily record an expense the moment it's incurred. Pocket Expenses comes with some standard categories for deductible expenses, but you can change them and add your own. It supports both one-time and recurring expenses. Pocket Expenses remembers your expenses forever, so it becomes more useful the longer you use it. The basic app navigation automatically summarizes your expenses by category or by year, making comparisons really simple. Each year and category summary, as well as their intersections, can display a pie graph or bar chart for quick visual understanding of your spending. At any time, but especially at the end of the year, Pocket Expenses can email you summary CSV reports: itemized expenses by year, recurring expenses by year, and summarized expenses by category - perfect to use in doing your taxes, or handing off to your accountant. The email sending function is entirely local on your device, so your information is kept private.
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.