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
PhotoColors
PhotoColors reveals the color palettes hidden within your memories.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 5.0
7 ratings · Top 5%
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 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 PhotoColors: 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 a wider variety of filters and customization options.
Assumption to check: Limited filter options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image processing and loading times.
Assumption to check: Performance issues with high-resolution images
Validate with people who use this workflow before building.
Hypothesis 3
Add direct sharing to social media platforms.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Implement cloud storage for user edits and projects.
Assumption to check: No cloud backup options for edits
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
PhotoColors reveals the color palettes hidden within your memories. PhotoColors 揭示记忆中隐藏的色彩美学。 • Vitreous Palette Mode: Extract dominant colors with HEX codes. • 琉璃色盘模式：智能提取照片主色调与 HEX 代码。 • Moment Card Mode: Create immersive cards from video and location metadata. • 灵动卡片模式：融合实况照片视频与地理信息。 • Artistic Typography: Match your story with curated font presets. • 艺术排版：内置精选字体预设，讲述照片故事。 • Intelligent Design: Auto-adaptive text colors and glass-morphic UI. • 智能设计：自动适配文字颜色，极致精简美学。 • Privacy First: 100% on-device processing. • 隐私安全：100% 本地处理，照片不离设备。 Free, no ads, no subscriptions. 完全免费，无广告、无订阅。 Feedback / 联系反馈: [email protected] Xiaohongshu (小红书): Bink哥
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
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BUILD KIT DIFFICULTY
Starter
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.
