App Overview

Dynamic-Lyrics icon

Dynamic-Lyrics

云冰 谭 · Music

Dynamic Lyrics is an app that displays real-time lyrics and translations on your lock screen, Dynamic Island, widgets, floating windows, and more

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
9,412 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

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

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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.

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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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 Dynamic-Lyrics: 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

Dynamic Lyrics is an app that displays real-time lyrics and translations on your lock screen, Dynamic Island, widgets, floating windows, and more. It supports Apple Music and Spotify. You can also use the Shazam mode to identify music playing on any app, webpage, or in your surroundings. • Lock Screen Lyrics & Dynamic Island Lyrics Display real-time lyrics on the lock screen and Dynamic Island, enhancing your music experience. • Lyrics Widget Show real-time lyrics on the home screen widget and StandBy mode. • Floating Lyrics Display lyrics anywhere using a floating window. • Supports Lyrics Translation Translate lyrics into any supported language, breaking down language barriers. • Supports Multiple Music Apps Seamlessly compatible with Apple Music and Spotify for a smooth experience. • Shazam Mode With Shazam mode, you can identify music playing on any app, webpage, or in your surroundings and view the lyrics. • Lyrics Sharing Share beautiful lyrics cards effortlessly with friends. Dynamic Lyrics® Membership Description: By becoming a Dynamic Lyrics® member, you can unlock all premium features, enjoy free updates in the future, and benefit from an ad-free experience. You can choose between a subscription or a lifetime membership with a one-time payment. If you choose a subscription, it will automatically renew through your iTunes account. Your Apple iTunes account will be charged within 24 hours before the current period ends, and the subscription will renew for the next cycle. To cancel the renewal, please manually turn off the auto-renewal option in your Apple ID settings at least 24 hours before the current subscription period ends. If you do not cancel during the trial period, the subscription will automatically activate and charge you at the end of the trial. This service is entirely optional. If you choose not to cancel, the next billing period will renew automatically. Privacy Policy: https://musiclyrics.cn/privacy.html User Agreement: https://musiclyrics.cn/agreement.html

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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 smarter search algorithms and personalized suggestions.

Assumption to check: Users report difficulty finding specific songs or lyrics.

Validate with people who use this workflow before building.

Hypothesis 2

Optimize audio playback and handle edge cases.

Assumption to check: Some users experience crashes during playback.

Validate with people who use this workflow before building.

Hypothesis 3

Enhance offline song availability for seamless use.

Assumption to check: Limited offline functionality.

Validate with people who use this workflow before building.

Hypothesis 4

Offer a more seamless ad experience or option for an ad-free subscription.

Assumption to check: Ads can be intrusive.

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
React Navigation
Axios
React Native Async Storage
expo-av
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.