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
Pingr - TCG & Restock Alerts
Pingr is a real-time restock alert app for trading card game products
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
2 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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Combine features and design from your favorite apps.
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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 Pingr - TCG & Restock Alerts: 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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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
One-tap Apple Pay checkout
Assumption to check: Slow checkout process
Validate with people who use this workflow before building.
Hypothesis 2
AI-powered search with filters and suggestions
Assumption to check: Poor search results
Validate with people who use this workflow before building.
Hypothesis 3
Real-time tracking with push notifications
Assumption to check: No order tracking
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
Pingr is a real-time restock alert app for trading card game products. When a hard-to-find item comes back in stock at a major retailer, it lands in your live feed and pings your phone — with the product, the price, and a direct link to the retailer's own website. WHAT YOU GET • Live restock feed — drops appear in real time with product photos, prices, and stock details • Fast push alerts — get pinged the moment a restock is detected • Direct buy links — every ping links straight to the product on the retailer's own site • 23 retailers — Walmart, Target, Amazon, Best Buy, Costco, GameStop / EB Games, Sam's Club, Pokémon Center, Argos, Smyths Toys, Asda, GAME, Currys, and more • US, Canada, UK + Japan — set your region so you only see drops you can actually buy • Queue pings — know when a virtual waiting room opens for a high-demand drop • Hype flags — unusually big or high-demand restocks are called out so you can prioritize • Feed filters — trim the feed by retailer, franchise, and drop type Pingr covers Pokémon TCG and One Piece TCG sealed products — elite trainer boxes, booster boxes and bundles, tins, and premium collections. NO BOTS. NO AUTO-BUYING. Pingr never purchases, reserves, carts, or checks out anything. It's an alert tool: we tell you the moment something is in stock and take you straight to the retailer's page. The buying is always done by you, on the retailer's own site. PINGR ALL ACCESS One subscription unlocks everything — all retailers, all regions, both franchises. Start with a 3-day free trial, then: • $19.99 per month, or • $69.99 per year Subscriptions are auto-renewable. If you start with a free trial, payment is charged to your Apple ID account when ttrial ends; otherwise it's charged at confircription renews automatically unless canceledat least 24 hours before the end of the trial or current billing period — cancel during the trial and you won't be charged. You can manage or cancel your subsctore account settings. Terms of Use: https://www.pingr.live/terms Privacy Policy: https://www.pingr.live/privacy Pingr is an independent restock-alert tool. It is not affiliated with, endorsed by, or sponsored by any retailer or brand shown in the app, including The Pokémoetailers listed above. All product names,logos, and trademarks are the property of their respective owners and are used for identification only. Questions or feedback: https://www.pingr.live
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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
Stripe
Algolia
Supabase
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.
