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
Wavebox Audio Editor
Simple and powerful audio editor with a built-in waveform editor.
$7.99 · In-app purchases
PRICE
$7.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.4
69 ratings · Top 30%
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 Wavebox Audio Editor: map the core Photo & Video 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
Include more diverse effects and customizable options.
Assumption to check: Limited audio effects compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize audio processing for smoother playback.
Assumption to check: Occasional lag in audio playback.
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more streamlined interface with better organization.
Assumption to check: User interface can feel cluttered.
Validate with people who use this workflow before building.
Hypothesis 4
Add more formats and options for exporting audio.
Assumption to check: Limited export options for audio files.
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
Simple and powerful audio editor with a built-in waveform editor. - Import audio files in WAV, FLAC, MP3, OGG, and more. - STEMS. Separate your audio into 4 tracks: Vocals, Drums, Bass, and Other. (iOS 17 or above) - Extract audio from video quickly and easily. - Auto Slicer for beat or transient-based editing. - AUv3 support — use your favorite Audio Units for real-time effects. - Built-in effects to enhance your audio. - Lossless internal audio recording for the highest quality. - Export audio in WAV, FLAC, MP3, and M4A formats. Organize and manage your audio like never before: - Create and manage custom folders — the app links to your directories without copying files. - Play all the audio files in a folder like an MP3 player. - Preview audio directly from the browser. - Preview audio with applied effects and AUv3 plugins — something rarely seen in other apps. Edit your audio with precision: - Cut, trim, copy, and paste segments. - Apply silence, fade in, and fade out. - Normalize your tracks for consistent volume. - Zoom, scroll, and select in the waveform using a single finger — super fast and comfortable for editing on the go. Perfect for musicians, podcasters, DJs, and anyone who wants precise control over their audio library.
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.
