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.
FuzzWah - Vintage Fuzz & Auto-Wah Plugin (AUv3)
$1.99 · In-app purchases
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.
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for FuzzWah: 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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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
Assumption to check: Limited sound customization options
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No collaboration features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Minimal user engagement
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
FuzzWah - Vintage Fuzz & Auto-Wah Plugin (AUv3) FuzzWah is an audio effect plugin that can run standalone, or in any AU compatible host application such as Logic Pro or GarageBand. Overview FuzzWah combines two classic effects in one plugin that can be used independently or in series. The fuzz box and wah-wah pedal were among the earliest guitar effects pedals and remain very popular to this day. While I think FuzzWah does work great with guitar, it can also produce interesting results on pretty much anything from drums, synths and even vocals. FuzzWah wasn't designed to be a clones or models of specific hardware effects, but it does draw inspiration from those classic units from the 1960's and 70's, then adds a few extra features. The fuzz section includes an optional "Vintage" mode for a rounder warmer tone, and a Skew option for dialling in that classic gnarly fuzz "ripping" sound. The wah section adds 4 selectable frequency ranges, and an "Auto" (envelope-follower) mode for funky filter auto-wah effects! FuzzWah also includes a simple "set it / forget it" noise gate to keep your signal nice and clean. Signal Chain & Amp Sims The order of signal processing is as follows: IN -> Noise Gate -> Wah -> Fuzz -> OUT You can drive the Fuzz section harder using the Wah Boost parameter. Much like in the real world, I think fuzzes sound best when going into slightly driven amps, rather than into something pristine and clean. Of course, that's entirely up to you, depending on the sound you want, but my personal favourite amp sim combo is FuzzWah going into ANALOGyAMP.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.