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
KCL: Coupons, Deals, Discounts
Stop overpaying
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
184,529 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 included18 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 KCL: Coupons, Deals, Discounts: 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
Implement a personalized deal recommendation system based on user preferences.
Assumption to check: Users find the deal discovery process overwhelming due to too many options.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image loading with caching and lazy loading techniques.
Assumption to check: The app may be slow to load images and data.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance the reviews section with user-generated content and ratings.
Assumption to check: Users desire more detailed reviews and ratings for each deal.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the subscription model to a single clear plan with clear benefits.
Assumption to check: In-app purchases can be confusing with multiple subscription 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
Stop overpaying. Grab coupons & deals for Walmart, Target, Amazon, CVS & more. If you love a good deal or just hate overpaying (same), the KCL app is your new best friend. We’re real people who curate real savings, sharing the best coupons, grocery deals, promo codes, cash-back offers, and clearance finds. Stress less, save more. NEW: 1-Clip™ Deals In-store savings used to be… a lot. Now it’s crazy easy. Link your store loyalty accounts once, and boom, KCL clips your store coupons for you. We stack those with our exclusive KCL Coupons and show you how to combine them with cash-back apps like Ibotta, Fetch, and Rakuten so you walk out knowing you won. Save on Everything You Need (and Want) Groceries, household basics, baby products, electronics, fashion, beauty, school supplies—we’re hunting for a deal on it. Find grocery coupons, digital coupons, printable coupons, weekly ads, promo codes, and step-by-step deal breakdowns that practically hand you the savings. Stores We Cover Walmart, Target, Amazon, CVS, Walgreens, Costco, Kroger, Rite Aid, Publix, Safeway, Albertsons, Dollar General, Dollar Tree, Family Dollar, Best Buy, Macy’s, Kohl’s, Victoria’s Secret, and many more. Why Millions Use KCL • Exclusive coupons you won’t find anywhere else • Hundreds of new deals posted every day • Step-by-step instructions even your half-asleep self can follow • Deal alerts for your favorite brands and stores • 1-Clip™ Deals for effortless in-store savings • Simple tutorials that make couponing feel doable • Insider access to Black Friday ads, cheat sheets, restaurant hacks & birthday freebies Whether you’re here for grocery coupons, digital coupons, promo codes, Walmart and Target deals, Amazon savings, or just want to stop paying full price for the things life keeps throwing at you, you’re in the right place. Download KCL, unleash your inner deal hunter, and keep more money in your pocket every single day.
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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
Expo
Axios
React Navigation
React Native Paper
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.
