App Overview

True Metronome icon

True Metronome

Mikhail Motyzhenkov · Music

The most accurate metronome app, designed by musicians for serious practice.

$3.99 · In-app purchases

PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.2
86 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 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 True Metronome: 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

Include more diverse sound profiles and customization.

Assumption to check: Limited sound options can lead to monotony

Validate with people who use this workflow before building.

Hypothesis 2

Implement a more engaging visual metronome indicator.

Assumption to check: No visual feedback can make it hard to use in loud environments

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the purchase process and clarify benefits of pro features.

Assumption to check: In-app purchase system can be confusing for users

Validate with people who use this workflow before building.

Hypothesis 4

Add features to allow users to share settings or achievements.

Assumption to check: Lack of social sharing features limits user engagement

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

The most accurate metronome app, designed by musicians for serious practice. Why Musicians Choose True Metronome - Perfect timing, zero timing drift. Not "almost correct", but mathematically precise beats for professional practice. - Natural acoustic sound with real overtones and subtle variation. No robotic clicks, no harsh synthetic loops. - Feels like a real metronome Features - All common and advanced time signatures: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 beats per measure - Precise tempo adjustment in 1 BPM steps - Realistic pendulum swing that matches your tempo - Clean, distraction-free design focused on practice - Optional bell accent on the downbeat - Multiple visual skins - Tap tempo input - Works while your screen is locked Perfect For: - Classical musicians who need reliable timing - Music students and teachers - Players frustrated with "close enough" metronome apps - Long practice sessions (natural sound that does not become annoying) How It Works Drag the weight to set your tempo, choose your time signature below, and tap anywhere to start. The interface behaves like a real mechanical metronome because that is what serious musicians are used to. True Metronome does not cut corners. While many apps rely on generic synthetic clicks, we recorded real mechanical metronomes to capture their natural tone and feel. Our custom audio engine delivers the hardware-level timing accuracy that demanding musicians expect. Download now and hear the difference in your practice.

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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
Intermediate

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.