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
Winter Burrow
Winter Burrow is a cozy woodland survival game
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
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 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 Winter Burrow: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Winter Burrow is a cozy woodland survival game. Explore, gather resources, craft tools, knit warm sweaters, bake pies and meet the locals! In Winter Burrow, you play a mouse who returns from the big city to find their childhood home in ruins. To make matters worse, your Aunt (who was supposed to be looking after it) has gone missing. Restore your broken-down childhood burrow to its former glory so you can relax in front of the fireplace. Brave the elements and journey out into the frozen wilderness to collect vital resources for both yourself and your new home. Beware of the insect wildlife and remember that nobody survives on their own; find new friends, expand your survival handbook and solve the mystery of what happened to your Aunt. Winter Burrow is a survival game you play at your own pace. Customize your character, decorate your burrow and choose a path that fits your play style. This story is yours to tell.
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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 power-ups and special abilities.
Assumption to check: Lack of engaging gameplay mechanics.
Validate with people who use this workflow before building.
Hypothesis 2
Add friend invites and competitive challenges.
Assumption to check: Limited social features.
Validate with people who use this workflow before building.
Hypothesis 3
Implement daily quests for extra motivation.
Assumption to check: No daily challenges or rewards.
Validate with people who use this workflow before building.
Hypothesis 4
Create an onboarding flow to guide new players.
Assumption to check: No tutorial or onboarding experience.
Validate with people who use this workflow before building.
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
@react-native-async-storage/async-storage
react-native-reanimated
expo-animated
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.
