App Overview

MuYu icon

MuYu

兴龙 张 · Music

Limited-time promotion, no subscription, one-time purchase for all devices

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.2
10 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.

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Build Kit

Make this idea yours

A product spec, screen plans, and build steps for your coding agent.

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Add to a Remix

Combine features and design from your favorite apps.

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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.

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.

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

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for MuYu: 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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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

Focus on unique indie artists and curated playlists.

Assumption to check: Limited music catalog compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Provide users with audio quality settings.

Assumption to check: Inconsistent audio quality

Validate with people who use this workflow before building.

Hypothesis 3

Integrate social sharing options for playlists.

Assumption to check: Missing social features (sharing playlists)

Validate with people who use this workflow before building.

Hypothesis 4

Add offline downloads for premium users.

Assumption to check: No offline playback options

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

Limited-time promotion, no subscription, one-time purchase for all devices —— Introducing the "MuYu" App by Heo! Experience a sound effect tapping app where you can activate desired sound effects through screen taps, shakes, or auto-taps. Your on-the-go sound effect hub. --- Certainly, here's a revised version of the app store copy: Introducing the "Knock on MuYu" App by Heo! Experience a sound effect tapping app where you can activate desired sound effects through screen taps, shakes, or auto-taps. Your on-the-go sound effect hub. Highlighted Feature: Music Mode A sound effect pack offers a diverse range of sounds. Discover a new auditory surprise with every tap. Engage with rich sound effects that keep you coming back for more. Highlighted Feature: Sound Effect Mixer Combine multiple sound effects to fit your preference. Adjust the frequency and volume for auto-taps and share your unique sound sequences with friends. Highlighted Feature: Custom Sound Workshop Craft your own sound effects using high-fidelity recording or by importing audio files. Transform any desired sound into an electronic MuYu tone. Highlighted Feature: Motion-Activated Sounds Our innovative shaking algorithm works across devices - from phones to watches to tablets. Bring your sounds to life by moving your device. Whether you're simulating a gunshot, playing a ping pong sound, or activating rhythm clappers, sync the effects with your motions. Highlighted Feature: Backing Track Support (Lv.10) Some sounds come with complementary background music, enhancing the overall auditory experience and making you think, "That's the perfect touch!" Sound Highlights: MuYu: Experience tranquility and relaxation. Water Drop: The perseverance of water shaping stone. Temple Bell: Feel empowered and energized. Bell: Revel in pure, resonating tones. Kiss: Double your motivation with a caring touch. Cat & Dog: Embrace the warmth and comfort of our furry friends. Crow: A playful sound effect for friendly pranks. Chicken: A sound that stands out just as you do. ... and many more! Universal Access with a One-Time Purchase! AppStore's top recommendation. Compatible with iOS/iPadOS/Desktop Widgets, iOS Dynamic Features, Lock Screen Widgets, watchOS, macOS, and more. Features Overview: Auto-Tap Customization: Choose random or set tapping speeds. Determine when to stop, either by time or count. Visual Display: Instruments can be paired with custom text displays. Sound Library: Control visibility of sound effects, adjusting in bulk or individually. Sound & Feedback: Adjust volume within the app and select from various haptic feedback intensities. Screen Display: Manage counter display settings and ensure your screen remains active when needed. Motion Sensitivity: Choose from different shake intensities and benefit from our new shake detection algorithm. Quick Access: Use UrlScheme to launch specific sound effects swiftly. Hidden Gems: Discover a variety of concealed sound effects.

Written user reviews are not shown here. Check current App Store reviews >

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
Starter

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.