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.
PDF Craft is a local-first PDF workspace for creating, merging, recognizing, organizing, viewing, and protecting documents on iPhone and iPad.
Free
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 PDF Craft: Local Desk: map the core Productivity 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 editing tools for PDFs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Performance issues with large documents
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of cloud sync options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Basic user interface
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.
PDF Craft is a local-first PDF workspace for creating, merging, recognizing, organizing, viewing, and protecting documents on iPhone and iPad. Use PDF Craft when you need to capture paper pages, turn photos into PDFs, import existing files, combine documents, recognize text, or keep sensitive PDFs organized in one place. Key features: - Scan paper documents, notes, receipts, and everyday pages into PDFs. - Convert selected photos into a single PDF document. - Import PDF files from Files into your local document library. - Merge multiple PDFs into one new document and keep the selected order clear. - Recognize text from a camera scan or selected image using on-device text recognition. - Review and edit recognized text, copy it, or create a text-based PDF. - Manage documents with recent files, favorites, filters, search, sharing, and deletion. - Open PDFs in a native viewer with page navigation, thumbnails, sharing, page insertion, and protection actions. - Protect sensitive documents with a password workflow and App Privacy Lock with Face ID where available. - Keep core document workflows local to the device; export or share files only when you choose. PDF Craft is designed for daily document work: class notes, receipts, forms, travel documents, contracts, invoices, and personal archives.
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.