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.
• 3-Band Multi-Effects Processor
$12.99 · 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.
First kit free with a verified email
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 FAC Bandit 2: 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 music discovery features compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: In-app purchases may be confusing for users.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of social sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: User interface may feel cluttered.
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.
• 3-Band Multi-Effects Processor • Compact design with massive sonic versatility • Each band provides its own effect with mix blending control • Band effects: Saturator, LoFi, Ring Mod, Delay, Reverb, Chorus & Stereo Control • Frequency isolator equalizer (DJ style filter) • Two adjustable crossover points for low and high bands with a slope up to 48dB • Separate Dry/Wet output controls with an optional master Brickwall limiter • Multi-output support: each band can be routed to separate channels in your host • Advanced Responsive Design, portrait and landscape views • Universal Purchase: AUv3 for iOS (iPad/iPhone), macOS and Vision Pro FAC Bandit is a multiband audio effect that splits your audio signal into three independent frequency bands, each processed with its own effect and then recombined to create the final sound. Choose from a set of effects, including saturation, lo-fi degradation, ring modulation, delay, reverb, chorus and stereo control, and blend them precisely within each band. Two adjustable crossover points give you full control over which frequencies are affected, allowing you to shape your tone with precision. By targeting each part of the spectrum separately, you can apply effects in ways that full-range processing simply cannot achieve. FAC Bandit is a powerful sound design tool for musicians who want to craft unique, personal, and exciting sounds, either subtly, without altering the original tone, or in a more creative way. This is an AUv3 Effect and requires a compatible host to work The in-app purchases are for tipping only, the app is fully functional without them Fac Bandit 2 is crafted from a trusted original. Check out the outstanding reviews from Version 1 below: • Great isolated multi band effects, use this one a lot -ChrizzBeatz • Excellent app! Very versatile and the per band FX is such a tasty concept -disbliss • Some apps do what they say they do. Some have a little extra that make you use them more than you thought. This one will constantly keep making you sound better. I thought I would use it for a little color here and there and I now use it at least twice in every track -EduardoG2 • Got all this guys apps and they are all excellent -69reasons • Fonctionnement et ergonomie au top -SoundofSound • One of the most amazing multi band effects you can buy for iOS music production. Fred’s apps are ways good quality and this one does not disappoint -Positiveforever The documentation is available at fredantoncorvest.com/FAC_Bandit.html
Written user reviews are not shown here. Check current App Store reviews >
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.