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.
Goodbudget is a personal finance app perfect for budget planning, debt tracking, and money management
Free · 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 Goodbudget Budget Planner: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Goodbudget is a personal finance app perfect for budget planning, debt tracking, and money management. Share your budget and data across multiple phones (and the web!). MANAGE MONEY WITH PEOPLE YOU LOVE Goodbudget is perfect for sharing a budget with a spouse, family member, or friend because your budget is backed up. Share your budget across multiple devices including iPhones, other smartphones, and the web. * Transactions get backed up to the cloud and are accessible from other devices, including Goodbudget's web app! * Stay on the same page about finances with those close to you * Your data is automatically and securely backed up to Goodbudget's website * Download transactions to CSV (on website) INSIGHTFUL REPORTS Goodbudget helps you make sense of your budgeting and spending with in-app reports. * Know how to modify your budget after analyzing reports * Spending by envelope report (cool-looking pie chart!) * Income vs spending report * Debt progress report (track your payoff!) * Even more reports on the web A PROVEN SYSTEM Goodbudget is based on the envelope budgeting method. But with no physical envelopes...only virtual envelopes! * Check envelopes balances (aka how much you have left to spend) while you're on-the-go * Add transactions and track expenses easily on the go * Use the proven cash envelope budgeting method * Track your bank balances in addition to envelope balances * Pay off debt and manage payments * Live within your means * Schedule transactions and automatically fill envelopes Ad-free, Free Forever version includes 10 regular envelopes & 10 annual envelopes. Use envelope budgeting to plan your spending, not just track it! ================================ SUBSCRIBERS GET MORE FEATURES! ================================ * Unlimited Envelopes AND Accounts * Automatic Bank Sync * 5 devices for sharing * 7 years of transaction history * Personal and friendly email support Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Payment will be charged to iTunes Account at confirmation of purchase. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. If you're looking to track where your money goes, plan your spending, or create a budget that works, try us out! Goodbudget: Budget well. Live life. Do Good. Features, bugs? Please email us at [email protected]! We're happy to help! ** Leading personal finance app downloaded over 2,000,000 times AND previously featured by Apple, The New York Times, Forbes, CNET, LifeTime TV, The Boston Globe, and Lifehacker **
Written user reviews are not shown here. Check current App Store reviews >
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 budgeting apps to be overwhelming due to complex features.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Many users report issues with syncing across devices.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Transaction categorization can be inaccurate.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited notification options for budget alerts.
Validate with people who use this workflow before building.
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.