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
Sonos
The Sonos app brings all your content and settings together in one place for effortless control of your Sonos products and listening experience.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
942,423 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 included17 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 Sonos: map the core Music workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
The Sonos app brings all your content and settings together in one place for effortless control of your Sonos products and listening experience. ONE TAP TO ALL YOUR FAVORITE SOUNDS The Home screen puts all your content and controls right at your fingertips. Quickly jump back into your recent favorites, discover new music, and fill your home with Sonos sound. STREAMING STREAMLINED Browse, search, and play content from all your services with a single app, including Spotify, Apple Music, Amazon Music, Pandora, TIDAL, Audible, Deezer, iHeartRadio, and SiriusXM. WHOLE-HOME CONTROL Play something different in every part of your home or the same thing everywhere. The Sonos app gives you complete control of your Sonos products and listening experience from any room. PERSONALIZED LISTENING Create your ultimate music library by saving go-to artists, albums, playlists, and stations to Sonos Favorites. Fine-tune products for your space with Trueplay™. And adjust settings for your needs and preferences. EASY SETUP The app automatically detects your Sonos products, then it’s only a few taps to incredible sound. Easily set up a stereo pair, create a cinematic surround sound system, and add speakers to more rooms. GET THE MOST OUT OF YOUR SONOS EXPERIENCE Enable Sonos Voice Control to play music and control your system with hands-free ease and unheard-of privacy.* Explore helpful tips and recommendations in your Message Center. *Requires a voice-enabled Sonos product. Sonos Voice Control not available in all languages and countries.
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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
Implement a more intuitive multi-device control interface.
Assumption to check: Users often report difficulty in managing multiple speakers simultaneously.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize loading times with efficient caching strategies.
Assumption to check: Some users find the app slow to load playlists.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance offline mode with downloadable playlists.
Assumption to check: Poor offline capabilities; users want better access to music without internet.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate social media sharing for playlists and songs.
Assumption to check: Limited social sharing options.
Validate with people who use this workflow before building.
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 Navigation
Axios
React Native Reanimated
Async Storage
Expo Audio
Zustand
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.
