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
Dark Mode Wallpaper
Are you tired of being bombarded by ads just so you can download a wallpaper?
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
6 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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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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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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 Dark Mode Wallpaper: map the core Graphics & Design 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
Expand wallpaper library with user submissions and community features.
Assumption to check: Limited wallpaper selection compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Offer more free content or a trial period for premium features.
Assumption to check: Monetization model may deter users
Validate with people who use this workflow before building.
Hypothesis 3
Implement a quality check process for uploaded wallpapers.
Assumption to check: Inconsistent image quality
Validate with people who use this workflow before building.
Hypothesis 4
Add features to customize wallpapers before download.
Assumption to check: Lack of customization 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
Are you tired of being bombarded by ads just so you can download a wallpaper? Are you tired of endlessly scrolling a wallpaper app just to find 1 kind of alright wallpaper? Are you tired of abusive pricing? If you answered yes to any of these questions then Dark Mode Wallpapers are for you! We have over 100 super awesome dark wallpapers! Tap to save your wallpaper and you are off to the races! Step 0 Buy then open Dark Mode Wallpaper Simple App Usage Instructions: 1. Tap on any Dark Wallpaper you like 2. Your phone will ask you to allow access to save your wallpaper to Camera Roll ( First time only ) 3. Now that it is saved, go to your Photos 4. Go to wallpaper, Hit Share Icon 5. Scroll Down to Set As Wallpaper 6. Follow The On Screen Instructions, DONE! Note: You can set the wallpaper to Lock Screen to Home Screen or Both! And that's it! The app also has a dice button where it will randomly pick a wallpaper for you and download it to your Camera Roll! I hope that you will enjoy Dark Mode Wallpaper as much as I am! We are launching with a lower price so that our early supporters get a discount! Get the app before the price goes up! Have a great day!
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.
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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.
