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
ResalePal - Resale Scanner
ResalePal turns any item into instant resale intel.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
108 ratings · Top 5%
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 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 ResalePal - Resale Scanner: map the core Shopping workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
ResalePal turns any item into instant resale intel. Snap a photo. Get the resale price across eBay, StockX, Depop, Poshmark, and more — in under 10 seconds. Built for thrifters, flippers, and resellers who are tired of guessing. STOP LEAVING MONEY ON THE TABLE Every reseller has paid too much for something that didn't sell. Or walked past a thrift find that was worth $200 because they weren't sure. ResalePal fixes both problems with one photo. Point your camera at any item and ResalePal's AI instantly returns: Estimated resale value across multiple platforms The best platform for that specific item Condition-adjusted pricing Comparable sold listings to back it up Reseller tips specific to the item category BUILT FOR THE THRIFT STORE AISLE No typing. No tab-switching. No mental math. You're evaluating 40 items in 90 minutes — ResalePal keeps up. Scan a pair of Nikes at Goodwill. See their StockX value in seconds. Know your max buy price before someone else grabs them. EVERY PLATFORM. ONE SCAN. Different items sell better on different platforms. A vintage Levi's jacket might net $40 more on Depop than eBay. A pair of Jordans might clear $80 more on StockX. ResalePal tells you where to sell and why so you always get the best price. Platforms covered: eBay · StockX · Depop · Poshmark · Mercari · Facebook Marketplace · GOAT KNOW YOUR REAL PROFIT ResalePal factors in platform fees so you see net profit, not just sticker price. The eBay price that looks great at $75 might only net you $51 after fees. Know before you list. TRACK EVERY FLIP Your full scan history in one place. Mark items as sold. See your actual profit vs. estimated. Know which categories are your most profitable — and source more of them. WHAT RESELLERS SAY "I never buy at thrift stores without it anymore." "Paid for itself on the first trip." "Finally an app that actually knows what things are worth." FREE TO TRY Scan your first item for free — no account required. Pro users get unlimited scans, multi-photo refinement for complex items, and full profit tracking history. ResalePal. Scan. Know. Profit. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
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 recognition and feedback mechanisms.
Assumption to check: Difficulty in accurately scanning barcodes
Validate with people who use this workflow before building.
Hypothesis 2
Allow users to filter and sort their history more effectively.
Assumption to check: Limited historical data access
Validate with people who use this workflow before building.
Hypothesis 3
Provide clearer explanations of subscription benefits and features.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Optimize camera performance and stability.
Assumption to check: Occasional crashes during scanning
Validate with people who use this workflow before building.
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
@react-navigation/native
expo-camera
zustand
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.
