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
TagScanner X
TagScanner X allows you to quickly save asset tags using your iPhone's camera, works with most barcodes like both 2D and 1D barcodes such as PDF417, QR, Aztec, EAN, UPC, Code 128, etc
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.0
3 ratings · Below Average
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 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 TagScanner X: 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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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
Focus on a clean, user-friendly interface with clear navigation.
Assumption to check: Poor user experience leading to low ratings.
Validate with people who use this workflow before building.
Hypothesis 2
Add features such as cloud backup and advanced product management.
Assumption to check: Limited functionality compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Provide detailed help resources and responsive support.
Assumption to check: Inadequate customer support.
Validate with people who use this workflow before building.
Hypothesis 4
Implement an intuitive scanning interface with better feedback.
Assumption to check: Difficult to use scanning feature.
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
TagScanner X allows you to quickly save asset tags using your iPhone's camera, works with most barcodes like both 2D and 1D barcodes such as PDF417, QR, Aztec, EAN, UPC, Code 128, etc. With four different input modes you can find the one for the task that you are trying to complete. Normal mode saves the asset tag, date/time, and the tag's location when you scan the tag without any user interaction. Inventory mode saves the asset tag, date/time, the tag's location, default building, default department, default make and default model when you scan the tag without any user interaction. Detail mode pre-populates a fillable form with the asset tag, date/time, the tag's location, default building, default department, default make and default model when you scan the tag allowing you to change any information before saving the tag to the database. Email mode saves the asset tag, date/time, and the tag's location when you scan the tag without any user interaction, but also pulls up an email with pre-defined email addresses allowing you to send emails quickly regarding the asset tag you just scanned. Using the database view you can copy multiple tags to the clipboard or send a CSV file with all the tag's information to any email address. When viewing an individual tag's information in the database, the app will automatically place a marker on a map of where the tag was scanned.
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
Zustand
expo-camera
react-navigation
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.
