App Overview

Baseball DJ icon

Baseball DJ

Laurent Butre · Sports

Calling all baseball parents! Are you tired of the same old game-day routine? Baseball DJ is here to turn every little league game into a major league experience.

$4.99 · In-app purchases

PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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

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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

Allow users to customize playlists with themes and visuals.

Assumption to check: Limited personalization options for playlists

Validate with people who use this workflow before building.

Hypothesis 2

Implement sharing options for playlists with friends.

Assumption to check: No social sharing features

Validate with people who use this workflow before building.

Hypothesis 3

Enhance search with filters, genres, and recommendations.

Assumption to check: Basic song search functionality

Validate with people who use this workflow before building.

Hypothesis 4

Enable offline mode for users to access their playlists without internet.

Assumption to check: Lack of offline access to playlists

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

Calling all baseball parents! Are you tired of the same old game-day routine? Baseball DJ is here to turn every little league game into a major league experience. With the app, you can create a personalized atmosphere that will have your kids cheering and the crowd roaring. Custom Playlists: Choose from a library of upbeat baseball anthems or create your own playlist of your child's favorite tunes. Animated Baseball Games: Watch animated baseball games unfold on your device. Interactive Features: Cheer along with the crowd, throw virtual baseballs, and even become the announcer for the game. Baseball DJ is more than just an app; it's a way to make unforgettable memories with your little slugger. Download now and let the fun begin! Because hit songs media are copyrighted, they were not included in the app, but you can conveniently load them from your Music iTunes Cloud Library (or from your local MP3s). Once on your library, the Config screen will let you select them, set the perfect start time per song and assign it to a specific button. You can configure songs by default for the 3 innings. Each 36 buttons are customizable, and the best part is that you can select where the song should start at. if you enjoy that much the app, you can add more screens , up to 48 screens of 12 memory slots (496 songs). Enjoy. Disclaimer : Copyrighted songs are not included in this App. Unfortunately it doesn't support Spotify songs.

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Screenshots

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Build scope

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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
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Zustand
react-navigation
react-native-reanimated
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.