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.
Finance At Your Fingertips
$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 The Checkbook: 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: Manual transaction entry can be tedious.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited budgeting features.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No recurring transaction detection.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of visual spending analytics.
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.
Finance At Your Fingertips Track your financial transactions on-the-go in real time. Enter upcoming bill payments and deposits to see how your account balance will change. Reconcile each transaction against your bank account to balance your checkbook and ensure accuracy to the penny. * No ads. * Quick entry screen for new transactions to keep up with spending while you're on the move. * Create a new transaction in seconds with type ahead feature for common transactions. * Manage transactions in multiple accounts. * Customize color theme for each account. * Search for transactions. * Toggle visibility of reconciled transactions to see what hasn't cleared your bank account yet. * Set up recurring transactions. * Transfer money between accounts. * Basic reporting to view spending or income by category and daily spending. * Export transactions to CSV file. * Enable Face ID / Touch ID to secure access to your financial data. * Turn on iCloud Drive data storage to sync transactions across multiple devices. * Share every new transaction with a joint account owner via email or Shared Storage (subscription required) to keep app in sync for different users. Privacy Note: The developer does not collect any data from this app for the default local device or iCloud storage options. The developer only securely stores data for the Shared Storage option (subscription required) for the purpose of sharing and syncing the data with your invited users. See Privacy Policy for more details.
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.