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
Fine - Photo Editor
Elevate Your Photography with Fine - Photo Editor
$6.99 · In-app purchases
PRICE
$6.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
454 ratings · Top 15%
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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Combine features and design from your favorite apps.
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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 included18 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 Fine - Photo Editor: 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
Offer a wider range of filters and customizable options.
Assumption to check: Limited filter options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Improve app stability and performance during intensive tasks.
Assumption to check: Occasional crashes during photo editing
Validate with people who use this workflow before building.
Hypothesis 3
Implement cloud backup feature for user edits.
Assumption to check: Lack of cloud backup for edited photos
Validate with people who use this workflow before building.
Hypothesis 4
Create a more user-friendly paywall that enhances user experience.
Assumption to check: In-app purchase prompts can be intrusive
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
Elevate Your Photography with Fine - Photo Editor Fine is your go-to app for professional-grade photo editing, tailored for both enthusiasts and professionals. Experience unmatched editing with intuitive tools and powerful features, putting precision and creativity at your fingertips. Modern Filters & Presets * Explore a vast collection of filters and presets to instantly enhance your photos. Extensive Adjustment Tools * Utilize comprehensive color grading tools for unparalleled photo quality. Advanced Layering * Combine photos, stickers, and doodles for unique compositions with precise layer adjustments. Text Tools * Access dynamic text tools with a plethora of styles, effects, and templates for every need. Framing & Distortion Correction * Choose from a wide range of frames for a polished photo finish, from modern to classic designs. * Correct distortions with precision tools to maintain flawless image geometry. Selective Editing & Advanced Masking * Use advanced AI detection for subjects, skies, and hair for effortless, detailed edits. * Apply selective tools for color and luminance, along with shape masks, for precise adjustments. Innovative Blur & Sky Replacement * Achieve professional DSLR-like blur and depth with AI technology. * Instantly change skies to dramatically enhance your scenes. Batch Processing * Batch edit and export photos to enhance your efficiency. Editable History * Reedit your adjustments with the editable history tool. * Boost your editing capabilities with version tools. Unleash your creativity with Fine - Photo Editor, where state-of-the-art technology meets user-friendly design. Download now and transform your photos like never before!
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
Zustand
react-navigation
expo-image-manipulator
@react-native-community/hooks
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.
