App Overview

Line Distribution icon

Line Distribution

新科 张 · Entertainment

Create K-pop line distribution videos easily on your iPhone.

$8.99

PRICE
$8.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.0
5 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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A product spec, screen plans, and build steps for your coding agent.

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What's included15 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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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 Line Distribution: map the core Entertainment 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

Create K-pop line distribution videos easily on your iPhone. Line Distribution makes it simple to track who sings each part of a song without complicated video editing. Add the members, import a video, then play it and tap a member whenever they start or stop singing. The app automatically calculates each member’s singing time and percentage. Key features: Track singing parts in real time Add and organize group members See each member’s total singing time View line distribution percentages Preview results with a visual chart Check the overall distribution fairness Share your result image Create line distributions without complex editing software Whether you're analyzing your favorite K-pop songs or creating content for other fans, Line Distribution gives you a fast and simple way to visualize how lines are shared between members.

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

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

Integrate social media sharing features to enhance user engagement.

Assumption to check: Limited social sharing options for tracks

Validate with people who use this workflow before building.

Hypothesis 2

Implement offline downloads for tracks to cater to users without consistent internet access.

Assumption to check: No offline listening capabilities

Validate with people who use this workflow before building.

Hypothesis 3

Utilize machine learning to provide customized track suggestions based on user listening history.

Assumption to check: Lack of personalized recommendations

Validate with people who use this workflow before building.

Hypothesis 4

Streamline the interface for easier navigation and a cleaner user experience.

Assumption to check: User interface can be cluttered

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
Zustand
Firebase
React Navigation
expo-av
BUILD KIT DIFFICULTY
Intermediate

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.