App Overview

TB Equalizer icon

TB Equalizer

ToneBoosters · Music

ToneBoosters Equalizer is a top-quality, professional, dynamic equalizer AUv3 plug-in with an unrivalled workflow, warm, non-linear filters and a gorgeous, functional user interface

$9.99 · In-app purchases

PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.6
66 ratings · Top 15%

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 included17 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.

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.

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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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for TB Equalizer: 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

Add more presets and custom frequency settings.

Assumption to check: Limited preset options and customization

Validate with people who use this workflow before building.

Hypothesis 2

Simplify the interface with guided tutorials.

Assumption to check: UI can be overwhelming for new users

Validate with people who use this workflow before building.

Hypothesis 3

Implement real-time audio feedback for better user experience.

Assumption to check: No real-time audio feedback during adjustments

Validate with people who use this workflow before building.

Hypothesis 4

Offer a free trial for premium features to increase conversions.

Assumption to check: In-app purchase for premium features may deter users

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

ToneBoosters Equalizer is a top-quality, professional, dynamic equalizer AUv3 plug-in with an unrivalled workflow, warm, non-linear filters and a gorgeous, functional user interface. The ToneBoosters Equalizer app captures the microphone (or external sound card) input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Equalizer will appear in the list of Audio Unit extensions for effect plug-ins. Key features: - Mastering grade, professional equalizer - Integrated spectrum analyser and dynamics analyser - The same professional sound as the acclaimed desktop version - Up to 16 filter sections with a very wide range of filter types - Run each section in dynamic or static mode - Run each section with digital purity or with analog character and non-linearities - Oversampling and anti-aliasing modes to further improve sound quality - Use Artificial Intelligence (AI) for content-dependent equalisation suggestions - Audition mode to easily identify problematic frequency areas - Automatic level make up function for every section - Zero latency mode for live operation - Lasso function to select and move multiple filters simultaneously - Piano display to select musical note frequencies - Output VU meters showing peak and RMS levels simultaneously - Undo/redo, and A/B comparison - Color themes for the user interface - Adjustable colours for every filter section - Mid, side, left, right processing for stereo input for each section - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch - Efficient, low CPU usage What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.

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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.