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
Time 4 Tea
time 4 tea: the perfect brew timer
$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 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 Time 4 Tea: 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
Curate a larger variety of unique teas.
Assumption to check: Limited tea selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement user-generated reviews and ratings for teas.
Assumption to check: No user reviews or ratings
Validate with people who use this workflow before building.
Hypothesis 3
Enhance UI/UX design for a more engaging experience.
Assumption to check: Basic user interface
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a rewards system for frequent buyers.
Assumption to check: No loyalty program
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
time 4 tea: the perfect brew timer find your perfect cup with time 4 tea, a beautifully simple tea timer that takes the guesswork out of brewing. watch your tea come to life as the background colour shifts from clear water to the perfect shade for your chosen blend. there is currently 6 preset varieties in black, green, oolong, herbal, rooibos and chai. features you’ll love: visual brewing guide: your screen transforms in real time, lighter for weak and deeper for strong. know your brew’s strength at a glance. smart tea timer: automatic notifications alert you at the optimum brew time, and again if your tea’s going too strong. tea counter & stats: track how many cups you’ve enjoyed by day, week, month, or year. customize which stats you see to suit your flow. widgets for every size: start a brew right from your home screen. the medium and large widgets even count down live to the perfect moment, matching your tea’s colour theme. live activity support: keep your brew progress visible on your lock screen or dynamic island, perfect for multitasking. lightweight & elegant: no clutter, no complexity - just the essentials for your daily tea ritual. coming soon: - custom brew strength notifications - add your own tea varieties - tea type statistics - dedicated apple watch app brew beautifully. every time. download time 4 tea and make every cup perfect, from first steep to final sip.
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
React Navigation
Axios
React Query
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.
