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
일본여름카메라 - 필름 감성 카메라
그 여름, 공기까지 찍고 싶었던 순간이 있나요.
$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 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for 일본여름카메라 - 필름 감성 카메라: map the core Photo & Video 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
Include advanced features like AI background removal and batch editing.
Assumption to check: Limited editing features compared to professional apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement cloud backup for user edits and photos.
Assumption to check: Poor cloud integration for backup
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to create and save their custom filters.
Assumption to check: No support for custom filters
Validate with people who use this workflow before building.
Hypothesis 4
Add a feature for users to submit feedback and suggestions.
Assumption to check: Lack of user feedback options
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
그 여름, 공기까지 찍고 싶었던 순간이 있나요. 매미 소리가 쏟아지던 골목, 소나기가 지나간 뒤의 냄새, 축제의 불빛이 번지던 밤 사진엔 담기지 않던 그 공기를, 필름 한 롤에 감았습니다. 화면을 옆으로 쓸면 계절이 바뀌고, 셔터를 지그시 누르면 영상이 흐릅니다. 당신은 그 순간만 바라보면 됩니다. ■ 필름 열 롤, 열 개의 여름 · 아침의 오니기리 — 이른 아침 편의점, 갓 사 온 오니기리처럼 담백한 빛 · 안개 낀 하코네 — 온천 김과 산안개가 섞인 뿌옇게 부드러운 아침 · 한낮의 후쿠오카 — 구름 한 점 없던 정오, 하카타 골목의 쨍한 빛 · 오키나와의 푸른 바다 — 에메랄드빛으로 반짝이던 한여름 · 아라시야마의 이끼정원 — 대나무 그늘 아래 겹겹이 쌓인 초록 · 비 온 후 교토 — 비에 씻긴 돌바닥, 차분하게 가라앉은 골목 · 복숭아빛 오카야마 — 복숭아처럼 발그레하게 물들던 오후 · 노을 진 도쿄 — 빌딩 사이로 번지던 주황빛 하늘 · 여름밤 요코하마 — 항구의 불빛이 스며드는 파란 밤 · 심야의 오사카 — 네온이 켜진 도톤보리, 깊고 진한 새벽 지난여름의 사진에도 같은 필름을 입힐 수 있어요. 그날의 기록이, 그날의 공기를 되찾도록. 여행에서, 일상에서. 올여름의 기록이 조금 더 여름다워지도록.
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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.
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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.
