App Overview

Patina - Identify & Value icon

Patina - Identify & Value

Use All Five, Inc. · Shopping

Patina is an AI-powered app that identifies any object from a photo and tells you what it's worth, based on real market sales.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
9 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 included16 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.

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.

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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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Patina - Identify & Value: 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

Patina is an AI-powered app that identifies any object from a photo and tells you what it's worth, based on real market sales. See what collectors see. That chair at the estate sale. The jacket at the thrift store. The box of stuff from your grandmother's attic. Most people walk past valuable things every day because they don't know what to look for. Patina does. Point your camera at any object and instantly understand what you're looking at. Patina identifies maker, era, materials, and condition—then shows you what it's actually worth based on real market sales. INSTANT IDENTIFICATION Patina recognizes the details that take collectors years to learn. Maker marks. Construction methods. Era-specific design cues. Authenticity indicators. You get expert-level identification in seconds—for furniture, clothing, books, art, ceramics, jewelry, toys, and more. REAL MARKET VALUE No guesses. Patina pulls pricing from actual recent sales across major platforms. You'll see what similar items sold for, what condition factors affect value, and where your specific item fits in the market. Make informed decisions—whether you're buying, selling, or just curious. WORKS ON EVERYTHING Vintage furniture. Designer clothing. Rare books. Art glass. Collectible toys. Estate jewelry. Mid-century ceramics. Antique tools. If it has value, Patina helps you understand it. PERFECT FOR • Estate sales and thrift stores—know what you're looking at before you buy • Cleaning out a home—understand what's valuable and what's not • Collectors—verify authenticity and fair pricing • Curious minds—learn the story behind interesting objects • Selling—get accurate pricing, ready-to-use listings, and platform recommendations THE TRAINED EYE Auction house specialists and veteran dealers spend decades developing the ability to spot valuable objects. They learn which makers matter, which eras are collectible, which details indicate authenticity. Now you can see what they see. Patina captures that expertise—trained on auction data, collector knowledge, and real sales—and puts it in your pocket. Every scan makes you a little smarter. Every find becomes more satisfying. Download Patina and start seeing what you've been missing. SUBSCRIPTION INFORMATION Patina requires a subscription to access identification, valuation, and market insights. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account. You can manage or cancel your subscription in your App Store account settings.

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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 verification process for sellers.

Assumption to check: Lack of user verification can lead to fraudulent listings.

Validate with people who use this workflow before building.

Hypothesis 2

Add multiple payment methods including Apple Pay.

Assumption to check: Limited payment options may deter users.

Validate with people who use this workflow before building.

Hypothesis 3

Enhance search with advanced filtering options.

Assumption to check: Search functionality may not effectively filter results.

Validate with people who use this workflow before building.

Hypothesis 4

Establish a clear return and dispute resolution process.

Assumption to check: No clear return policy leads to user uncertainty.

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
Zustand
React Native Gesture Handler
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.