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.
The easiest way to track small business finances keeps getting better.
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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 Microbooks®: map the core Business 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 book selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Subscription cost may deter users
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent user experience across devices
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.
The easiest way to track small business finances keeps getting better. You don't do VAT returns or run payroll for staff so why use an accounting app that overcomplicates your finances? Perfect for: Freelancers, sole-traders, micro-businesses, side hustles and employees that need to submit expenses. Microbooks® is a small business accounting app designed for businesses like yours where expensive features take a backseat to clear, easy-to-understand tools that you really need. We know how busy life can be, and even more so when you’re self employed or have a small business, check one thing off your to-do list and make tracking income and expenses easy with Microbooks®. Features we think you’ll love (and will save you time!): >> Add expenses and income in a quick and intuitive way. No frills entry makes bookkeeping a breeze. >> Mileage - add mileage in miles, kilometers or li and set a mileage rate to automatically calculate expenses. >> Add custom categories for expenses and income to help sort and manage your finances effectively. >> Create profit and loss reports for any date ranges you need >> Scan data from receipts automatically - ReceiptSense uses machine learning to get the readable information on your receipts including the total, the store name and the date. >> Edit, delete and share income and expenses - Make it easy to submit tax returns with .CSV exports or share information with accountants. >> Share a bulk .zip folder of all your receipts for easies expense claims you've ever filed. >> Get an instant glance at how your business is performing, you can see your profit and loss for the last week, month or year >> Automatic iCloud syncing means you can access your books wherever you are, from whichever device you have to hand. Microbooks® is available for iPhone, iPad and Mac. >> Safe receipts - No more worrying about losing receipts and keeping track of where you’ve left them. Simply capture or upload photos of your receipts directly from the app and add to your income or expenses. Rest easy knowing all your receipts are stored in one place, accessible at any time with the touch of a button. >> HMRC compliant categories - Take the stress out of tax season by accessing all the information for the previous tax year with just a few taps. >> Employee books let you track expenses and send them to your employer to claim them back. >> Accessibility - Microbooks® is so easy to use you don't need to be a tax expert to get your books in order. >> Secure - Protect your transactions from prying eyes with passcode protection. Let Microbooks® take on a little of your admin, so you have a lot more time to spend doing what you love. Subscription terms: • Payments with be charged to your iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours before 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. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Microbooks® terms of use available at microbooks.app/terms
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.