App Overview

Dustbin AUv3 icon

Dustbin AUv3

Caelum Audio · Music

To celebrate International Joke Day 2022, we wanted to make an audio plugin

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
33 ratings · Top 5%

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 included14 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 Dustbin AUv3: 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 audio effects or community-driven features.

Assumption to check: Limited features compared to professional DAWs

Validate with people who use this workflow before building.

Hypothesis 2

Provide onboarding tutorials and demo projects.

Assumption to check: Steep learning curve for beginners

Validate with people who use this workflow before building.

Hypothesis 3

Implement real-time collaboration features.

Assumption to check: Lack of collaboration tools

Validate with people who use this workflow before building.

Hypothesis 4

Simplify pricing and provide clear value for each tier.

Assumption to check: In-app purchases can be confusing

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

To celebrate International Joke Day 2022, we wanted to make an audio plugin. This plugin had to be a bit different. We started by creating a dustbin sound system (garbage can for our American friends). We got a real dustbin and put some speakers in it! After it all was done, we ended up with an interesting creative audio effect plugin called Dustbin! This plugin will litter-ally change your life. Stop wasting time, you can’t refuse it any longer. Take everything you thought you knew about music production and throw it out. Imagine you left two easily entertained idiots alone with a dustbin, amp, speaker, some microphones, and a worrying idea. Well actually, you don’t have to imagine at all, because Dustbin is here to answer those musical questions you never asked. Pick your way through the impulse responses taken from the Bin’s cavity and built-in speaker. Transform your Garage into Garbage, Rap into Scrap, Pop into Slop, Punk into Junk, and New Age into Sewage. No more worrying about IF your music sounds trash, now it definitely does. You’re welcome. Dustbin is both a stand-alone application as well as an AUv3 plugin, meaning it works within iOS and iPadOS hosts such as GarageBand.

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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
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.