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.
Check Generator - Professional Check Printing
$0.99 · 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 Check Generator: 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 check templates.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No ability to save generated checks for future use.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of sharing options for generated checks.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No user feedback mechanism for improving templates.
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.
Check Generator - Professional Check Printing Create and print professional bank checks directly from your iPhone with our completely redesigned interface. Perfect for small businesses, freelancers, and personal use when you need checks without ordering expensive checkbooks. KEY FEATURES: • Generate professional PDF checks with MICR encoding • Multiple user profiles for different bank accounts • Complete check history and record keeping • Custom watermark support with repositioning controls • Advanced watermark positioning and opacity settings • Export checks as high-quality PDF files for printing • Bank-compatible formatting with proper routing codes • Modern liquid glass interface optimized for iOS 26 • Intuitive profile management and switching • Check numbering with automatic increment SIMPLE 3-STEP PROCESS: 1. Set up your bank information and profile (stored securely on your device) 2. Fill in payee details, amount, and optional memo 3. Generate, preview, and print your professional check ENHANCED CUSTOMIZATION: • Position watermarks anywhere on your checks • Adjust watermark opacity for perfect visibility • Multiple profile support for business and personal accounts • Comprehensive check history with search and export • Professional formatting that meets banking standards PRIVACY & SECURITY: • All data stays on your device - no internet required • Bank information encrypted with iOS security • Zero data collection, tracking, or sharing • Complete offline functionality • Your financial information never leaves your device IDEAL FOR: • Small business owners who write occasional checks • Freelancers and contractors managing multiple clients • Personal use when checkbooks run out • Anyone wanting complete control over check printing • Users requiring custom watermark security features IMPORTANT: Users are responsible for ensuring generated checks comply with their bank's requirements and local banking regulations. This app is for personal and small business use only.
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.