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
Pixel Draw 16x16
Pixel Draw 16x16 is a simple offline pixel art editor for creating 16x16 PNG images
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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.
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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 included16 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 Pixel Draw 16x16: 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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
Pixel Draw 16x16 is a simple offline pixel art editor for creating 16x16 PNG images. No login, account, or internet connection is required to use the app. The PNG output from Pixel Draw 16x16 is also compatible with Yoto Player Make Your Own (MYO) card playlist track icons. No subscriptions. No in-app purchases. No Advertisements. Simple, safe, and easy to use. Create • Draw on a large and precise 16×16 pixel grid • Tap or drag to paint, with several brush sizes. • Extensive colour palette, including user-defined and custom swatches and palettes. * Eyedropper tool for easy colour selection • Undo, redo and clear tools for easy use • Easy management of your personal icon library. Import and Export • Import 16x16 PNGs, with colours automatically re-mapped * Save PNGs to your Photos library • Export crisp 16×16 PNG files • Manual and auto-backup and import. Note: Icons may appear blurred in the Photos app preview because they are scaled up, but they remain precise and sharp when used at 16×16 resolution. Yoto Compatibility (unofficial) • Pixel Draw 16x16 PNG output is compatible with Yoto MYO card playlist icons • Step-by-step instructions included for how to upload your pixel art Privacy Pixel Draw does not collect, store, or transmit any personal data. All icons are stored locally on your device. Disclaimer This app is independent, unofficial and not affiliated with, or endorsed by, Yoto. Yoto is a trademark of Yoto Ltd.
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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.
SUGGESTED BUILD STACK
React Native
Expo
Supabase
RevenueCat
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.
