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
KFC US: Ordering & Delivery
Where finger lickin' good deals meet finger lickin' good food
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.1
11,689 ratings · Top 30%
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 included17 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 KFC US: Ordering & Delivery: map the core Food & Drink 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
Allow users to customize their meals more extensively.
Assumption to check: Limited customization options for orders
Validate with people who use this workflow before building.
Hypothesis 2
Optimize backend queries and image loading.
Assumption to check: Slow loading times during peak hours
Validate with people who use this workflow before building.
Hypothesis 3
Improve app stability and performance on low-end devices.
Assumption to check: Occasional app crashes on older devices
Validate with people who use this workflow before building.
Hypothesis 4
Enhance navigation flow with clearer paths and prompts.
Assumption to check: Difficult navigation between offers and menu
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
Where finger lickin' good deals meet finger lickin' good food. Order your favorites with our easy-to-use app. Earn KFC Rewards for Free Food KFC customers can unlock free KFC by earning points on orders through their Rewards Account via the app.* Exclusive Deals & Discounts Find exclusive deals only available here. Save on your favorite meals and try new limited time offers here first. Order for Quick Pick-up or Delivery Pick up your order in-store or have it delivered with contactless options. Quick & Simple Ordering Browse the menu, customize your meal, and place your order in just a few taps. Choose from all your fave fried chicken, sandwiches, sides, and desserts. Customizable Menu Options Choose from a variety of sides, sauces, and sweets to go with your Nuggets, Tenders, or Fried Chicken. Secure Payment Options Pay securely with credit/debit cards, Apple Pay, and Google Pay. Download today! *KFC Rewards program only available with online orders at participating KFC restaurants in the U.S. Account creation required.
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
Supabase
React Navigation
Axios
Redux
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.
