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
Mureka: AI Radio & Music Maker
Mureka is an AI-native music platform where songs don't just get made — they get heard, remixed, and shared
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
10,857 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.
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 included16 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 Mureka: AI Radio & Music Maker: 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
Mureka is an AI-native music platform where songs don't just get made — they get heard, remixed, and shared. Whether you're here to listen or create, this is where music keeps growing. - Listen, Remix & Grow Stream AI-generated songs, scene-based radios, and community remixes tailored to your taste. Hear something you love? Remix it into any style, clone any voice, and make it yours. Every song here is a living starting point. - Create & Share Generate original songs from text, images, or video with studio-level control over lyrics, style, and vocals. Post your creations and watch them travel, transform, and grow across the community. == Who Is Mureka For? == Music Lovers: Discover an endless stream of AI songs and fresh remixes tailored to your vibe. Creators & Remixers: Take any song further — reshape it, put your voice in it, and remake it. Songwriters & Producers: Generate original tracks with full control over style, lyrics, and sound. Content Creators: Get custom, royalty-free music for videos, podcasts, and social content fast. Join Mureka today. Don't just listen to the future of music — shape it.
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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 customization features for generated tracks.
Assumption to check: Limited music generation options compared to professional tools
Validate with people who use this workflow before building.
Hypothesis 2
Implement better sorting and filtering options in the Library.
Assumption to check: Difficulty in discovering saved tracks
Validate with people who use this workflow before building.
Hypothesis 3
Use a more subtle approach to display subscription options.
Assumption to check: In-app purchase prompts may disrupt experience
Validate with people who use this workflow before building.
Hypothesis 4
Add social features to allow sharing and collaboration.
Assumption to check: Lack of community features for sharing generated music
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 Native
Expo
Supabase
@react-navigation/native
expo-av
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.
