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.
TuneCraft is an AI music generator and AI song maker that helps you create songs with AI in minutes
Free · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for TuneCraft. AI Song Generator: 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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Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
TuneCraft is an AI music generator and AI song maker that helps you create songs with AI in minutes. Turn ideas, lyrics, or images into music with an all-in-one AI music app designed for beginners, creators, and musicians. AI SONG GENERATOR & AI MUSIC MAKER Describe an idea, write lyrics, or upload an image - and TuneCraft generates complete songs with vocals, melody, and instruments. Create AI-generated music and turn inspiration into tracks in just a few taps. IMAGE TO SONG - TURN PHOTOS INTO MUSIC Upload an image and let AI generate a unique song inspired by its mood and atmosphere. Perfect for social media, storytelling, and creative inspiration. AI LYRICS WRITER Write from scratch or turn themes into verses with the built-in AI lyrics generator. Use AI to write lyrics and speed up your songwriting workflow. PRO CREATE - ADVANCED AI MUSIC GENERATION Take full creative control over your music generation. • Generate songs from prompts or lyrics • Rewrite and improve lyrics with AI • Adjust creativity levels • Use negative tags to avoid unwanted styles or sounds • Create refined song variations instantly Advanced tools for deeper music customization. AI BEATS MAKER & INSTRUMENTAL GENERATOR Create high-quality beats and background music instantly: • AI beat maker • AI generated beats • AI instrumental generator • background music creation AI VOCALS & VOICE STYLES Create original songs and AI-powered covers using built-in AI voices or your own voice recordings. BOOST YOUR TRACKS Upgrade your existing songs with Boost. Change: • vocals • genre • mood • lyrics • song title Use AI prompts and advanced controls to remix and improve your tracks. MUSIC TOOLS FOR EVERY CREATOR Pro-level music tools: • AI stem splitter • AI vocal isolator • Vocal remover • Song and vocal splitter AI MUSIC CLIPS Upload photos, select a track, and create short music clips for social media and creative content. SONGWRITING IDEAS & INSPIRATION Spark creativity with songwriting ideas, lyric prompts, and the “Surprise Me” feature with ready-to-use prompts and lyrics ideas in multiple languages. CHOOSE YOUR GENRE & MOOD Generate music in genres like hip-hop, pop, rock, EDM, lo-fi, country, and more. Set the vibe with mood presets like happy, chill, dreamy, energetic, or dark. YOUR PERSONAL AI MUSIC STUDIO Save versions, organize ideas, export tracks, and collaborate. Works as a full music maker app, AI music creator, or songwriting app - depending on how deep you want to go. How to Create a Song With AI: 1. Enter a theme, lyrics, or idea (or tap Surprise Me). 2. Pick a genre, mood, and vocal style. 3. Generate multiple AI song variations and choose your favorite version. 4. Export and save your track. 5. Share your music anywhere. Free vs Premium Free: limited access to AI music generation and core creative tools. Premium: extended access to AI song generation, Pro Create tools, covers, clips, vocals, beats, instrumentals, lyrics editing, and more. Subscription & Terms Premium Weekly Subscription includes a 3-day free trial for new subscribers; try all features at no cost. After the trial, the subscription continues automatically at the weekly price unless canceled at least 24 hours before the trial ends. Payment is charged to your Apple ID at confirmation and at renewal. Subscription renews automatically unless canceled at least 24 hours before the end of the period. Manage or cancel anytime in Settings › Apple ID › Subscriptions. Any unused portion of a free trial is forfeited when you purchase. Price may vary by region. Privacy Policy: https://tunecraftapp.com/privacy_policy.html Terms & Conditions: https://tunecraftapp.com/terms_and_conditions.html
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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
Assumption to check: Limited customization options for generated songs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Infrequent updates to song generation algorithms
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Confusing navigation between song preview and library
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.