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
Fast Rips
OPEN DIGITAL PACKS
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.5
461 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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
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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 included
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 Fast Rips: 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
OPEN DIGITAL PACKS. DISCOVER REAL CARDS. Fast Rips is a shopping and collection app designed for Pokémon trading card collectors. Explore digital packs, review detailed pack information, and reveal one real, physical card from every pack — all from your phone. CLEAR INFORMATION BEFORE YOU OPEN Before purchasing a pack, review its available card pool, disclosed odds for cards and rarity tiers, and estimated value range. Each pack features its own selection of cards, giving you clear product information before you open. ONE PACK. ONE PHYSICAL CARD. Every pack reveals one real Pokémon trading card. Depending on the pack, your card may be raw or professionally graded. KEEP YOUR FAVORITES. SELL BACK THE REST. After your card is revealed, you have seven days to choose what happens next: • Request physical shipping to an eligible U.S. address. • Sell the card back to Fast Rips at the displayed sell-back amount. Fast Rips provides a platform-estimated fair market value for each card and clearly displays the amount you will receive before you confirm a sell-back. If no action is taken within seven days, the card will be automatically sold back based on the applicable platform-estimated value. MANAGE YOUR ELIGIBLE BALANCE Proceeds from completed sell-backs are added to your eligible withdrawable balance. Withdrawal availability is subject to applicable minimums, account review, verification, processing times, and other terms. SHIP REAL CARDS TO YOUR DOOR Both raw and graded cards are eligible for shipping. There is no minimum card quantity or card value required to request delivery. Shipping fees apply, and identity or address verification may be required. Shipping is currently available only to eligible addresses in the United States. BUILT FOR COLLECTORS • One real, physical card in every pack • Clearly disclosed card pools, card odds, rarity odds, and estimated value ranges • Sell-back amounts displayed before confirmation • Raw and professionally graded Pokémon cards • Simple card, balance, and shipping management in one place EMAIL SUPPORT Questions about a card, sell-back, withdrawal, or shipment? Contact our support team by email. Fast Rips is available only to eligible users in supported U.S. locations. Must be 18+ to participate. Additional terms and restrictions apply. Discover your next card with Fast Rips.
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
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.
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
Not assessed in a Build Kit yet.
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.
