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.
Nano Balance Sheet is a comprehensive application designed to facilitate the acquisition of financial information, specifically balance sheets, for businesses or individuals.
$2.99 · 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.
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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 Nano Balance Sheet: 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: Limited functionality compared to larger budget tracking apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface can feel cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchases are unclear
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of customer support options
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.
Nano Balance Sheet is a comprehensive application designed to facilitate the acquisition of financial information, specifically balance sheets, for businesses or individuals. Utilizing the Generally Accepted Accounting Principles (GAAP), the application streamlines the data entry and reporting processes, eliminating the need for specialized knowledge. It seamlessly integrates with both local and cloud databases, providing robust user management and access control for application objects. Business transactions are seamlessly recorded within the application through the transaction log, and the application processes them according to predefined settings for each transaction type and transfer. These processed transactions are then recorded in the General Ledger, from which the application generates various reports, including Trial Balance, Balance Sheet, Profit and Loss Statement, Statement of Changes in Equity, Statement of Sources of Receipt and Directions of Expenditure of Cash (Cash Flow), Debtors, and Creditors. The application offers a pre-configured set of business transaction types, allowing users to easily customize and define additional transaction types as per their specific requirements. Upon installation, the application includes a ready-made chart of accounts, sample business transactions, and initial opening balances. Familiarization with the application’s functionality on test data facilitates the deletion of test data and the commencement of data entry.
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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.