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
Brighten A Dark Photo PRO
Introducing a powerful photo editing app that brightens dark photos naturally!
$2.99 · In-app purchases
PRICE
$2.99
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.
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 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 Brighten A Dark Photo PRO: 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
Provide more advanced tools like AI background removal and custom filters.
Assumption to check: Limited editing options compared to full-featured editors
Validate with people who use this workflow before building.
Hypothesis 2
Implement cloud storage for user edits.
Assumption to check: No cloud backup for saved edits
Validate with people who use this workflow before building.
Hypothesis 3
Focus on user feedback to continuously enhance features.
Assumption to check: Poor user reviews due to lack of features
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a subscription model with premium features.
Assumption to check: Single payment model may deter users
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
Introducing a powerful photo editing app that brightens dark photos naturally! This app automatically brightens dark photos with just one tap. It can also tone down photos that are too bright. Even dim indoor and night photos can become clearer and easier to see with a single tap. Photos with backlit faces or heavy shadows are corrected for better visibility. If you have photos like these, give this app a try. 【How to Use】 1. Tap "Select Image" to choose a photo. 2. Tap "Preview" to apply brightness adjustments. 3. Tap "Save as PNG" or "Save as JPEG" to save the photo in your preferred format. To check the original image or preview, tap the "Zoom" button at the top right. To close the viewer, tap the "×" button at the top right and return to the main screen. Note: The PRO version is a paid, ad-free version. There are no functional differences from the standard version.
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
Expo Image Picker
React Navigation
Expo Sharing
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.
