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.
Core Value: Make Your Finances Clear, Say Goodbye to Living Paycheck to Paycheck
$19.99 · 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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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 ET - Expense Tracker: 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 hard to categorize transactions accurately.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited budget tracking features.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconvenient manual entry of transactions.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No recurring expense tracking.
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.
Core Value: Make Your Finances Clear, Say Goodbye to Living Paycheck to Paycheck Easily track every dollar and gain full visibility of your finances. Say goodbye to “living paycheck to paycheck” and keep your finances transparent and organized! Do you feel that your income is not small, but you never know where your money goes each month? Accounting Book is a simple and efficient professional bookkeeping app. It is not just a tool for recording income and expenses, but also a powerful assistant to optimize spending and achieve financial goals. Build a habit of timely bookkeeping and make personal finance easy and stress-free. CORE FEATURES: - Fast Entry: Supports bill snapshots (cropping available), built-in calculator, decimal input; record each transaction in seconds. - Auto Import: Supports intelligent import from Alipay and WeChat bills, freeing your hands from manual entry. - Professional Analysis: Powerful chart analysis shows monthly income and expense structure; compare weekly, monthly, or quarterly to understand cash flow at a glance. - Budget Manager: Set total or category budgets, compare actual spending in real time, and avoid overspending. - Financial Security: Protect your data with Face ID / password lock. - Cloud Sync: iCloud cloud sync updates data automatically across devices. ADDITIONAL FEATURES: Detailed Records: View, edit, and delete transactions anytime; export PDF reports for printing or sharing. Custom Categories: Add income and expense categories to suit your personal needs. Scheduled Entry: Automatically record recurring income and expenses. Theme Selection: 12 themes to personalize your app experience. Data Sharing: Supports AirDrop, email attachments, cloud drives, and WiFi for importing and exporting data. Localized Support: Daily reminders, local and custom currency symbols, support for lunar calendar. FREQUENTLY ASKED QUESTIONS:: Q: How to quickly import old data when switching phones? A: Two convenient methods: Email/Cloud Backup: On the old phone, go to "More" > "Data Backup & Import" > "Data Backup", choose email or cloud backup; on the new phone, open the attachment and select "Import from Accounting Book". Advanced Users: Use AirDrop to send data to the new phone, then select Accounting Book to receive and import. CONTACT US: We value every piece of feedback. To report bugs or request features, go to "More" > "Feedback" and send us an email. We will respond as soon as possible. Privacy Policy:https://f.n-years.com/en/docs/mtracker/privacy_statement Third-Party Information Sharing List:https://f.n-years.com/en/docs/mtracker/third_party_description
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.