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
Specialty Coffee Trainer
Embark on a journey to become a coffee connoisseur with BrewMaster Coach, your ultimate companion for mastering the art and science of specialty coffee
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included16 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 Specialty Coffee Trainer: 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
Provide comprehensive guides and tips within each method.
Assumption to check: Users may struggle to find detailed information about brewing methods.
Validate with people who use this workflow before building.
Hypothesis 2
Include quizzes and interactive content about coffee.
Assumption to check: Limited interactivity may lead to user disengagement.
Validate with people who use this workflow before building.
Hypothesis 3
Add forums or discussion boards for users.
Assumption to check: No community features to connect with other coffee enthusiasts.
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
Embark on a journey to become a coffee connoisseur with BrewMaster Coach, your ultimate companion for mastering the art and science of specialty coffee. Whether you’re a professional barista, a coffee enthusiast, or an aspiring expert, this app offers a comprehensive, immersive learning experience tailored to enhance your coffee knowledge and skills. Key Features: • Comprehensive Flashcards Dive into expertly curated flashcards covering every aspect of specialty coffee—from origins and roasting techniques to brewing methods and sensory evaluation. Reinforce your learning effectively with our spaced repetition system. • Interactive Multiple-Choice Questions Test your knowledge with a variety of questions designed to deepen your understanding of complex coffee concepts. • Realistic Practice Exams Simulate the real Specialty Coffee Association Certification exams with practice tests. Get immediate feedback and explanations to sharpen your skills. • Offline Mode Keep learning wherever you are. Access all materials offline—perfect for studying in cafés or during commutes. • User-Friendly Design Enjoy a seamless and intuitive learning experience through our clean, easy-to-navigate interface. • Progress Tracking Track your strengths and areas for improvement with detailed analytics. Create personalized study plans based on your performance. Why a Coach? 1. Expertise at Your Fingertips Gain access to distilled industry knowledge in a convenient, accessible format. 2. Versatile Learning Options Choose the learning style that fits your schedule—from flashcards to full-length practice exams. 3. Certification Success Equip yourself with the skills and confidence to pass the Specialty Coffee Association Certification and elevate your coffee career.
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
Axios
react-navigation
react-native-chart-kit
Zustand
BUILD KIT DIFFICULTY
Intermediate
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.
