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
오늘의 포도알 : 습관, 챌린지
매일 작은 습관 하나하나가 모여 아름다운 포도송이를 완성해가는 특별한 경험, 오늘의 포도알과 함께해보세요!
$0.99 · In-app purchases
PRICE
$0.99
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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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/
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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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 오늘의 포도알 : 습관, 챌린지: map the core Health & Fitness 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 gamification elements like rewards and badges for completing habits.
Assumption to check: Users often find it hard to stay motivated with habit tracking apps.
Validate with people who use this workflow before building.
Hypothesis 2
Enable users to share progress and encourage each other through challenges.
Assumption to check: Many apps lack community features.
Validate with people who use this workflow before building.
Hypothesis 3
Provide clear and engaging charts to show habit trends and progress over time.
Assumption to check: Data visualization is often poor.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the pricing structure and clearly explain the benefits of each tier.
Assumption to check: Subscriptions can be confusing.
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
매일 작은 습관 하나하나가 모여 아름다운 포도송이를 완성해가는 특별한 경험, 오늘의 포도알과 함께해보세요! 1. 포도알로 키워가는 나만의 습관 오늘의 포도알에서는 7개부터 30개까지, 내 목표에 맞는 포도송이를 선택할 수 있어요. 매일 습관을 완료할 때마다 포도알이 하나씩 익어가는 재미를 느껴보세요. 2. 언제나 함께하는 홈 위젯 휴대폰 홈화면에 귀여운 포도송이 위젯을 두고 매일 내 성장을 확인해보세요. 앱을 열지 않아도 한눈에 보이는 진행도로 동기부여를 받을 수 있어요. 3. 놓치지 않게 도와주는 친근한 알림 내가 원하는 시간에 맞춰 습관을 잊지 않도록 도와드려요. 4. 다양한 습관과 함께 운동하기, 독서하기, 물 마시기, 일찍 자기 등 어떤 습관이든 포도알로 키워보세요. 건강한 생활부터 자기계발까지, 내가 원하는 모든 목표를 포도송이로 만들어갈 수 있어요. 작은 변화가 모여 더 나은 나를 만들어가는 과정을 함께 응원해드릴게요. 5. 간편하고 직관적인 기록 복잡한 설정 없이 바로 시작할 수 있어요. 포도송이라는 친근한 모양으로 진행도를 한눈에 파악할 수 있어요. 감정과 색깔로 기록하는 특별함으로 단순한 체크를 넘어선 의미 있는 기록을 남겨보세요. 오늘의 포도알은 작은 포도알 하나하나가 모여 아름다운 송이를 만들어가듯이, 여러분의 작은 습관 하나하나가 모여 더 나은 일상을 만들어갈 수 있도록 응원하는 앱이에요. 지금 바로 다운로드하고 첫 번째 포도알을 채워보세요!
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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
Firebase
React Navigation
React Native Paper
AsyncStorage
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.
