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
Cloth Goblin
Cloth Goblin is the world's thrift, vintage, and donation map — a community-curated guide to secondhand boutiques, vintage shops, donation centers, and upcycle stores worth visiting.
$1.00 · In-app purchases
PRICE
$1.00
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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.
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Cloth Goblin: map the core Lifestyle 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 bulk upload and auto-categorization using AI.
Assumption to check: Users find it time-consuming to add and categorize items.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce a calendar view for outfit planning.
Assumption to check: Limited outfit planning functionality.
Validate with people who use this workflow before building.
Hypothesis 3
Add sharing options for outfits on social media.
Assumption to check: No social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize their wardrobe and outfits with themes.
Assumption to check: Lack of customization options.
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
Cloth Goblin is the world's thrift, vintage, and donation map — a community-curated guide to secondhand boutiques, vintage shops, donation centers, and upcycle stores worth visiting. Whether you're hunting for a one-of-a-kind vintage find, a luxury consignment piece, looking to pass along the things you've outgrown, or wanting to go full goblin-mode in a shop worth sifting through, Cloth Goblin helps you find the right place. WHAT'S ON THE MAP • Thousands of thrift stores, vintage boutiques, and donation sites worldwide • Curated tags describing locations: Luxury Vintage, Cool Aesthetic, Bridal, Nonprofit, Buy + Sell, Denim Dreams, Alt + Goth, Upcycles, and more • Photos, hours, social links, and community reactions • Featured shops with the latest from their Instagram KEY FEATURES • Map view with smart filters by store type, vibe, or what they accept • Travel List — save shops you want to visit nearby or on a trip, then plot the route with step-by-step directions • Reactions and follows to track your favorite stores • Suggest locations, contribute tags, share what you find • Org Dashboard for shop owners to claim and manage their listings TIERS • Thrifter ($1 paid app) — full map access and 10 location suggestions • Goblin ($4.99/month) — Travel List, Favorites, unlimited suggestions, and community reactions • Org Dashboard ($6.99/month) — for shop owners and donation centers; manage your locations, send shoppers notifications about special drops and deals, let customers know what items you're accepting/purchasing for the season, and connect your Instagram feed so shoppers see your latest posts on your store profile PRIVACY YOU CAN TRUST We don't sell or share your personal data. Reactions and follows stay private to your account. Read our full Privacy Policy in-app. A FEW THINGS WORTH KNOWING Cloth Goblin currently focuses on locations that sell or accept secondhand and vintage clothing and accessories. Stores devoted exclusively to antique furniture aren't in scope just yet (stay tuned for feature updates!). Locations that sell clothing alongside furniture or home items are welcome — see our "Also Furniture" and "Also Home Items" tags. The map is a living, growing thing — new locations get added and updated on a regular basis. If your shop fits our scope and isn't yet on the map or isn't labeled properly, suggest the location or updates in-app or reach out to [email protected]. Made by Friar Tek, LLC. Built for thrifters, lovers of sustainability, fashion goblins, and the shops they love. 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 >
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
Zustand
Firebase
React Navigation
Tailwind CSS
BUILD KIT DIFFICULTY
Expert
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.
