App Overview

Incredibox icon

Incredibox

So Far So Good · Games

Incredibox lets you create your own music with the help of a merry crew of beatboxers

$4.99 · In-app purchases

OVERALL US RANK
#25
Paid · all categories
REVENUE (Est)
$365K/mo
$213K - $516K
RATING
4.9
50,708 ratings · Top 5%

Evidence scope: #25 is the current overall US Paid chart position. 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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Combine features and design from your favorite apps.

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What's included18 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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Incredibox: map the core Games 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

Offer a subscription for more themes and sounds.

Assumption to check: Limited sound options after initial purchase

Validate with people who use this workflow before building.

Hypothesis 2

Enable sharing of mixes publicly or within the app.

Assumption to check: No user-generated content sharing

Validate with people who use this workflow before building.

Hypothesis 3

Implement a leaderboard or community challenges.

Assumption to check: Lack of social features

Validate with people who use this workflow before building.

Hypothesis 4

Simplify the purchasing process and provide clear descriptions.

Assumption to check: In-app purchase confusion

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

Incredibox lets you create your own music with the help of a merry crew of beatboxers. Choose your musical style to start laying down, recording and sharing your mix. Get your groove on with hip-hop beats, electro waves, pop voices, jazzy swing, Brazilian rhythms and much more. As well, discover a selection of mods created by the community. Plenty to keep you mixing for hours, with no ads or microtransactions. Part game, part tool, Incredibox is above all an audio and visual experience that has quickly become a hit with people of all ages. The right mix of music, graphics, animation and interactivity makes Incredibox ideal for everyone. And because it makes learning fun and entertaining, Incredibox is now being used by schools all over the world. How to play? Easy! Drag and drop icons onto the avatars to make them sing and start to compose your own music. Find the right sound combos to unlock animated choruses that will enhance your tune. Once your composition sounds great, just save it and share it to get as many votes as possible. If you get enough votes, you may go down in Incredibox history by joining the Top 50 chart! Ready to show your stuff? You can also download your mix as an MP3 from the app and listen to it over and over again! Too lazy to create your own mix? No problem, just let the automatic mode play for you! Pump it up and chill ;) **************** Incredibox, the brainchild of Lyon, France-based studio So Far So Good, was created in 2009. Starting out as a webpage, it was then released as a mobile and tablet app and became an instant hit. It has won several awards and appeared in various international media, including: BBC, Adobe, FWA, Gizmodo, Slate, Konbini, Softonic, Kotaku, Cosmopolitan, PocketGamer, AppAdvice, AppSpy, Vice, Ultralinx and many others. The online demo has attracted more than 100 million visitors since its creation.

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.

SUGGESTED BUILD STACK
React Native
Expo
react-navigation
@react-native-async-storage/async-storage
expo-animated
react-native-reanimated
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.