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
Recodec
Recodec is an AUv3 audio effect for turning clean signal into textured, character-rich tone.
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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 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.
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 Recodec: 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
Implement robust offline storage for downloaded songs.
Assumption to check: Limited offline music playback capabilities
Validate with people who use this workflow before building.
Hypothesis 2
Enhance search algorithm for better accuracy.
Assumption to check: Inconsistent search results
Validate with people who use this workflow before building.
Hypothesis 3
Integrate social sharing options for playlists and songs.
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Add custom themes and improved design elements.
Assumption to check: Basic user interface
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
Recodec is an AUv3 audio effect for turning clean signal into textured, character-rich tone. Use Crusher for bit-depth style reduction, Reducer for sample-rate style degradation, Refine for smoother oversampled processing, Drive for added harmonic color, and Bass and Treble to rebalance the result. Then place the effect exactly where it belongs with Dry / Wet and the always-on Limiter. Recodec is built for fast experimentation. The classic interface keeps the core controls close, supports mono and stereo operation, includes factory presets across multiple categories, and lets you save your own user presets for quick recall. Recodec also includes MIDI Learn, Host Learn, CC assignment, and optional CC broadcast feedback for hands-on control workflows. The included companion app can load Recodec directly, help configure input and output routing, provide safe monitoring controls, and provides a comprehensive user manual. Features: - Crusher for digital bit-depth style reduction - Reducer for sample-rate style degradation - Refine oversampling control - Drive, Bass, and Treble tone shaping - Dry / Wet blend and always-on Limiter - 35 factory presets across multiple categories - User preset save and recall - MIDI Learn, Host Learn, CC assignment, and CC broadcast - Mono and stereo operation - Companion app with routing, monitoring, and comprehensive user manual Great for: - drums and percussion - vocals - synths and keys - bass and guitar - loops and transitions - creative sound design
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
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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.
