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
VDScan
Scan paper documents, labels, signs with the camera and recognize text
$14.99 · In-app purchases
PRICE
$14.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
575 ratings · Top 15%
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's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 VDScan: 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 advanced image processing algorithms to enhance accuracy.
Assumption to check: Users report the scanning accuracy is sometimes low.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize memory usage and testing on various devices.
Assumption to check: Frequent crashes during high usage.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate more sharing options like email, cloud services, and social media.
Assumption to check: Limited sharing options for documents.
Validate with people who use this workflow before building.
Hypothesis 4
Clarify pricing tiers and benefits within the app.
Assumption to check: Subscription model can be confusing.
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
Scan paper documents, labels, signs with the camera and recognize text. Listen using built-in text-to-speech. Save and export. Unlimited use: no subscriptions or additional charges. State-of-the-art A.I. for OCR and text recognition: Fast and accurate, even in poor lighting conditions. Works entirely on device: No need for internet and your data stays private. Recognizes text in the following languages: Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Hindi, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Spanish, Swedish, and Turkish. ScanTone, a sound that represents the amount of recognizable text in the camera's field of view in real time. It uses artificial intelligence to analyze the live feed from the camera for text, angle, rotation, and document edges. Exports scans as plain text or accessible PDF with embedded text. Detailed Feature List Scanning - ScanTone - Live edges/crop detection - Flashlight - Batch mode for scanning multiple pages quickly - Intelligent auto capture Image - Automatic edge detection for stretching and cropping - Manually cropping - Automatic orientation detection and rotation - Manual image rotation - Automatic image enhancement OCR - Fast: about a second on the latest iPhone - Offline: does not require Internet connection - Private: image and text stay on device - Automatic language detection - Option to see image or recognized text Text To Speech - Choose from 61 voices - Premium voices in Voice Dream Reader available - Change speech rate - Option to start reading as soon as OCR is complete - Spoken word is highlighted in the text or the image - Rewind and fast forward by text section (VoiceOver users only) - Double tap on text to start reading from there Import and Export - Load from Photo Library - Share extension for sending images to Scanner from another app - Export plain text - Export PDF with text layer under the image so that it's accessible, searchable and selectable - Export to Voice Dream Reader
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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
Firebase
React Navigation
React Native Camera
Async Storage
BUILD KIT DIFFICULTY
Advanced
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.
