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.
App Overview
Scatterbrain Audio Splitter
scatterbrain is a plugin audio effect (auv3, audio unit), which chops up incoming audio into rhythmical steps and sends these slices out to multiple outputs in your plugin host.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
49 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.
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Scatterbrain Audio Splitter: 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
Expand to include more audio formats for better user experience.
Assumption to check: Limited audio format support
Validate with people who use this workflow before building.
Hypothesis 2
Implement real-time waveform updates as users split audio.
Assumption to check: No real-time editing feedback
Validate with people who use this workflow before building.
Hypothesis 3
Add team-based editing and sharing options.
Assumption to check: No collaboration features
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with more themes and customization options.
Assumption to check: Basic UI with limited customization
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
scatterbrain is a plugin audio effect (auv3, audio unit), which chops up incoming audio into rhythmical steps and sends these slices out to multiple outputs in your plugin host. scatterbrain has 2 modes: seq mode... you can sequence how the steps are scattered over the (maximum 4) different outputs, or leave that up to chance. mix mode... you can live-mix (or automate) how steps are distributed over the 4 available outputs and trigger stutter repeats. stutter and buffer effects: scatterbrain records the incoming audio onto a hidden internal tapeloop. using the buffer effects you can specify the probability of randomly triggering slicer or stutter effects for an extra seasoning of chaos and mayhem. note: to use the multi-out effect, this auv3 plugin requires an au host which supports multiple outputs. if the host does not support multi-out, only the first channel will work. also note that due to the multi-out nature of the plugin there is no meaningful standalone functionality. you will need a plugin host to make use of this plugin.
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.
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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.
