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
Matter Utilities
Matter Utilities is a professional toolkit for developers and testers who build, validate, and troubleshoot Matter devices.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.2
32 ratings · Top 30%
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 Matter Utilities: map the core Developer Tools 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 extensive customization settings for each tool.
Assumption to check: Limited tool customization options
Validate with people who use this workflow before building.
Hypothesis 2
Design a cleaner, more organized UI layout.
Assumption to check: User interface cluttered
Validate with people who use this workflow before building.
Hypothesis 3
Provide comprehensive in-app help and tutorials.
Assumption to check: Inadequate documentation
Validate with people who use this workflow before building.
Hypothesis 4
Optimize performance for handling larger project files.
Assumption to check: Slow performance on large projects
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
Matter Utilities is a professional toolkit for developers and testers who build, validate, and troubleshoot Matter devices. Scan nearby Matter devices, pair with a QR code or manual setup code, inspect detailed device information, and work with both standard and custom clusters. When you need deeper validation, run automation flows, review results, and export logs to speed up debugging. Why Matter Utilities • Faster commissioning and troubleshooting • Detailed device inspection for development workflows • Standard and custom cluster tools • Automation testing for supported devices • JSON log export for validation and bug investigation What you can do • Scan nearby Matter devices • Pair using a Matter QR code or manual setup code • Read device details and supported capabilities • Read and write standard and custom clusters • Run automation tests with progress tracking • Filter tests by endpoint and choose only the checks you need • Review pass/fail results and export logs • Use Advanced Mode visual overlays for supported lighting tests Automation testing Matter Utilities can generate test cases from device endpoints and run selected steps sequentially. Current automation coverage includes root endpoint checks, On/Off, brightness levels, color temperature, hue and saturation, and advanced color commands for supported lighting devices. Built for professional use Matter Utilities is designed for Matter development and test workflows. It is best suited for engineers, QA, integrators, and device teams who need more than a consumer smart home controller. Privacy Policy: https://df.technology/matter-utilities/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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.
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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.
