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.
Loose Money Log
$3.00 · 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.
Your first Build Kit is free with a verified email.
Generating… usually about a minute.
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 Loose Money Log: 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 often find it cumbersome to input transactions manually.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Budgeting features are often not customizable enough.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Users struggle with understanding their financial trends.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Limited support and updates can lead to user frustration.
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.
Loose Money Log Not a budget app. Just your balance. Perfect for people who gave up on budgeting apps. Budgeting apps can feel complicated. Categories, detailed tracking, constant analysis… If that never worked for you, this app might be a better place to start. Loose Money Log helps you stay aware of your money in a simple way. Just record two numbers: • your balance before income • your balance after income That’s all. No categories. No budgeting rules. No complicated tracking. The app simply shows how your money moved between income events. Over time, you may start to notice your spending and income balance. When that happens, you can look back at your history and see the changes. And if one day you want deeper analysis, you can always move to a full budgeting app. Loose Money Log is simply the entrance. A quiet place to start noticing your money. Features • Record your balance before and after income • Automatic calculation of income and spending • Simple history of past records • Graph showing income, and spending • Change currency symbol • Change amount unit (for easier input) • Clean and minimal interface • Designed for quick, low-effort recording No ads. No subscriptions. No in-app purchases. Pay once. Use it forever.
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.
Not assessed in a Build Kit yet.
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.