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.
App Overview
SignReadyPDF
**SignReady PDF helps you fix common PDF problems before sending documents for signature, email, or upload.**
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for SignReadyPDF: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement a signature management feature with folders.
Assumption to check: Users find it hard to manage multiple signatures.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance document upload with drag and drop support.
Assumption to check: Difficulty in uploading documents.
Validate with people who use this workflow before building.
Hypothesis 3
Allow sharing via email, cloud services, and social media.
Assumption to check: Limited sharing options.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize document processing and viewing for speed.
Assumption to check: Poor performance with large documents.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
**SignReady PDF helps you fix common PDF problems before sending documents for signature, email, or upload.** Create signing-ready copies, compress oversized PDFs, flatten forms, remove metadata, and rebuild signed or restricted PDFs for correction and re-signature. SignReady PDF creates a new output copy and never overwrites your original file. **Features** **Make Signing-Ready** Clean and prepare a PDF for signing, email, or upload. **Unlock for Correction** Create a clean correction copy from a signed, restricted, or locked PDF for review and re-signature. **Compress PDF** Reduce file size with quality presets for email, upload portals, and signing workflows. **Flatten Forms** Bake visible form values, markups, and annotations into a simpler PDF copy. **Remove Metadata** Clear removable document properties and hidden identifying information from a new copy. **Privacy First** All processing happens locally on your device. Your PDFs are not uploaded to a server, and your original files are never overwritten. **Important Notice** Editing, rebuilding, flattening, unlocking, or compressing a signed PDF may invalidate prior digital signatures. Some workflows may rasterize pages and may not preserve selectable text, links, forms, annotations, accessibility data, or signature validity. SignReady PDF is not affiliated with, endorsed by, or sponsored by any electronic signature provider.
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
TypeScript
React Navigation
@react-native-async-storage/async-storage
BUILD KIT DIFFICULTY
Intermediate
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.
