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
TeaCabinet - Tea Steep & Log
TeaCabinet is the tea lover's essential companion
$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.
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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 included15 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 TeaCabinet - Tea Steep & Log: 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
Incorporate user-generated tea entries and community recommendations.
Assumption to check: Limited tea variety and steeping instructions.
Validate with people who use this workflow before building.
Hypothesis 2
Add social sharing options to connect users.
Assumption to check: No social features for sharing steep logs.
Validate with people who use this workflow before building.
Hypothesis 3
Provide clear explanations and benefits for in-app purchases.
Assumption to check: In-app purchases not well defined or explained.
Validate with people who use this workflow before building.
Hypothesis 4
Use user data to suggest teas based on past logs.
Assumption to check: Lack of personalized recommendations.
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
TeaCabinet is the tea lover's essential companion. Track your entire tea collection, set precise steep timers, and know exactly how much tea you have left — all in one beautifully crafted app. YOUR TEA CABINET Build your personal tea collection. Log every tea you own — name, type, tasting notes, and photos. Sort by name, type, rating, or date. Rate each tea with 1-5 stars and track how many times you've steeped it. BREWING TIMERS Set precise steep timers for each tea. Get notified the moment your steep is done, even when your screen is off. Live Activity on your Lock Screen and Dynamic Island keeps your steep countdown visible without opening the app. Quick Brew presets let you start steeping in one tap. STORAGE TRACKING Know how much tea you have left. Track storage by weight, see how many cups remain, and auto-subtract each time you steep. One-tap restock when you buy more. BREW PARAMETERS Log ideal temperature, steep time, and leaf amount for every tea. Smart defaults auto-populate by tea type. Switch between C/F and tsp/oz to match how you brew. QUICK BREW Start steeping in one tap. Quick Brew presets sit at the top of your cabinet — pick a type and go. Customize presets, reorder them, or add your own. DESIGNED FOR TEA LOVERS Dark walnut wood aesthetic. No ads. No subscriptions. No tracking. Pay once, own forever. Supports all 8 tea types: Black, Green, White, Oolong, Herbal, Mate, Rooibos, and Chai.
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
Redux
TypeScript
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.
