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.
DOUBLE ENTRY BOOKKEEPING AND INVOICING FOR YOUR SMALL BUSINESS, NON-PROFIT, OR CLUB.
$2.99 · 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 Bookkeeping: 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: Limited reporting features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficult to categorize transactions accurately
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lacks a comprehensive budgeting tool
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface feels outdated
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.
DOUBLE ENTRY BOOKKEEPING AND INVOICING FOR YOUR SMALL BUSINESS, NON-PROFIT, OR CLUB. KEEPS WORKING EVEN WHEN THE INTERNET DOES NOT. Your data stored on your device. We have no access to your data. Pay by the month (with auto-renewable subscriptions) instead of an outright purchase. FEATURES HIGHLIGHT: No limit on the number of company books. No limit on the number of transactions. Synchronise between devices using your own Dropbox account. Built in example book so you can explore the program before making a commitment with an auto-renewable subscription. Bookkeeping is a self contained mobile bookkeeping and invoicing solution for your iPad and iPhone. It has multi-device synchronisation using Dropbox so you can work on your books on any of your devices no matter where you are or what iTunes account you use; and it supports as many or as few currencies as you need. You just need basic bookkeeping knowledge to make use of the multitude of capabilities of this program. Bookkeeping works with or without cellular coverage. Bookkeeping works wherever you are. Synchronise when you get cellular/WiFi coverage again. With Bookkeeping you have a fully functional program right on your iPad and iPhone. Bookkeeping has been used in over 40 countries including the USA, Australia, United Kingdom, Canada, and South Africa. Some of the Bookkeeping features … - Configure separate Company books for each company you operate - No limit to the number of Transactions - Invoicing , Quotations , RFQs , Purchase Orders - Email or Print all Invoices, Quotes, Orders, and Reports in convenient PDF format - Adjustments, Returns, Refunds - Supports non-standard financial periods - Recurring transactions - Cheque Book, Deposit Book, Bank Transfers - Bank Reconciliation - Import Bank Transactions - General Journal - Expense Budgeting - Configurable sales tax codes (Sales Tax, VAT Tax, Goods and Service Taxes, etc) - Multiple sales taxes per line item - Complex sales taxes (e.g. Canadian PST+GST, Philippines) - Calculate levies, duties, importation taxes - Calculate credit card merchant fees deducted from payments - Dropbox integration - Products, Services, & Inventory - Separate product prices per currency - Automatic Cost of Goods Sold calculations - Share Portfolio - Multi-Currency Support - Foreign currency transactions - Foreign currency bank accounts - Search - Job Tracking - Bank Reconciliation - Departments & Trading Names - Multi-Device Synchronisation - Configuration options to tailor to your needs - 47 PDF Reports (Trial Balance, Balance Sheet, Profit & Loss, etc) - Taxable Payments Reporting for the Australian Building and Construction industry - Australian BAS Worksheet reporting - Built in tax codes for Australian GST - Support for WET (Wine Equilisation Taxes) - GST Compliant Adjustment Notes Purchase an auto-renewable subscription to be able to enter data into this program. If you do not have a valid auto-renewable subscription, then you can load the example book and can view the information in the books. However you are required to purchase and maintain an auto-renewable subscription to enter data into the program. Payment will be charged to your iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your 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 you and auto-renewal may be turned off by going to your iTunes Account Settings after purchase. The EULA, Terms of Service, and Privacy Policy can be found in the About screen of this application and on our website. Privacy Policy: https://bookkeeping.warby.com/Privacy Terms of Use: https://bookkeeping.warby.com/Terms End User License Agreement: https://bookkeeping.warby.com/EULA
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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.