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
UltraScan
With Ultra Scan, you can quickly find out if a product is pregnancy-safe by scanning the barcode, taking a picture, or searching by name
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
12 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included18 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 UltraScan: map the core Health & Fitness 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 user-generated food item submissions.
Assumption to check: Limited food database can lead to missing items.
Validate with people who use this workflow before building.
Hypothesis 2
Offer a more clear value proposition for premium features.
Assumption to check: In-app purchases can frustrate users.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance scanning technology and provide user feedback on scan results.
Assumption to check: Occasional scanning errors lead to inaccurate data.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate social features for sharing progress and challenges.
Assumption to check: Lack of community features limits user engagement.
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
With Ultra Scan, you can quickly find out if a product is pregnancy-safe by scanning the barcode, taking a picture, or searching by name. We've all sifted through the makeup and skincare products in our drawers and store shelves, nervously checking whether it's safe to use a certain cream in our routine or try on a new blush. Make your pregnancy journey easier with a tool that takes the second-guessing out of your routine: * Scan barcodes and product labels. * Get a breakdown of overall risk and every ingredient risk to understand cosmetic products. * Bookmark and share your favorite items. * Peruse through thorough guides on pregnancy health, cosmetic safety, and more! * No ads or subscriptions. Created by a pregnant woman, for pregnant women – R.A.
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
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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.
