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.
invoice manager is the only invoice app on the app store with one-time purchase, no monthly fees and no internet access required
$9.99 · 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 Invoice Manager: Create, Send Invoice and Estimate: 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 customization options for invoices
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor user experience with navigation
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of detailed reporting features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent performance on older 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.
invoice manager is the only invoice app on the app store with one-time purchase, no monthly fees and no internet access required. it allows to create and send unlimited professional invoices, estimates and purchase orders with 20 different styles and professional templates. also, sync as many devices as you want in order to use the same data. invoice manager is 6 apps in one with all the tools you need: unlimited invoices, quotes, estimates, time sheets, expense tracker, inventory tracker, cost calculator and currency converter. manage all your business activities in one app with passcode protection. note: to upgrade to pro, tap on menu screen, press on "upgrade to paid version”, this will unlock the unlimited invoicing. take advantage of the special black friday $6.99 if you upgrade today. some tools: 1. create, edit, email and print invoices, sales receipts, estimates and purchase orders. 2. professional templates for sales products, consulting services and contractors. 3. sales reports, expense reports & sales tax reports and customer statements. 4. time tracker for hourly jobs + invoicing 5. inventory tracker with stock movement & barcode scanner 6. receipt tracker & expense report 7. live currency converter 8. backup and restore data 9. "open in..." other apps. 10. sign invoices, estimates, sales receipts 11. get paid with paypal and remittance advice slip 12. cost calculator automatically calculates the total and profit characteristics: * app theme, set your favorite colour in settings screen. * support multiple companies * support multiple languages * add your own company logo or choose one of ours * change the logo position to customize your invoice * change font family, font colour and font size * edit labels/titles on your pdf invoice * support multi-line text for item description and comments * easily convert estimates into invoices * easily convert your invoice to a sales receipt * convert multiple time sheets into one invoice * sort invoices by owed/paid/cash/credit * set remittance for credit card payments. * accept paypal payment. * keep track of customer's payments * paypal, visa, mastercard, american express and discover online payment options. * extracted data work instantly with quickbooks® for pc, quickbooks online, wave accounting, xero, freshbooks, excel or dozens of other accounting tools. * supports multiple taxes * calculates totals and taxes automatically for you * import your contacts from your address book or add them manually * import your inventor from other softwares or apps. * sync data between your iphone, ipod touch and/or your ipad * backup and restore data * passcode protection inventory * item photo and item category * cost & profit calculator * barcode scanner for your products * track items currently in stock * track stock movement * calculate unit cost price and unit sell price, profit margins and more * import inventory from other softwares or apps. * export inventory to other softwares or apps. reports (pdf and csv) * weekly/monthly/quarterly/yearly sales reports * sales reports by products and customers * customer statement. * expense report * tax report * timesheet report * overview report with client based sales charts * inventory report this application supports 12 languages: english, spanish, french, portuguese, italian, russian, danish, dutch, german, chinese, japanese, and korean. very important: please email us directly in the app, we cannot reply on review page of itunes app store.
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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.