App Overview

Tempo Advance - Metronome icon

Tempo Advance - Metronome

Frozen Ape Pte. Ltd. · Music

Approved and used by Mike Mangini (Dream Theater, Drummer of the Year*), Tempo Advance is the metronome app to bring your musicianship to the next level

$3.99 · In-app purchases

PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
714 ratings · Top 5%

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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What's included19 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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for Tempo Advance - 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

Focus on additional features like advanced pattern creation and sharing.

Assumption to check: Limited features compared to full DAWs or music production apps

Validate with people who use this workflow before building.

Hypothesis 2

Implement a visual metronome for better usability.

Assumption to check: Can be difficult to find accurate BPM settings quickly

Validate with people who use this workflow before building.

Hypothesis 3

Enable offline storage for metronome settings.

Assumption to check: Lack of offline functionality for previously saved patterns

Validate with people who use this workflow before building.

Hypothesis 4

Add more sound options or user-uploaded sounds.

Assumption to check: Limited sound choices can become repetitive

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

Approved and used by Mike Mangini (Dream Theater, Drummer of the Year*), Tempo Advance is the metronome app to bring your musicianship to the next level. Now our exclusive consultant, Mike has been using Tempo Advance since its inception as a practice tool and an invaluable companion for his Rhythm Knowledge drumming system. The new Polyrhythm Mode enables concurrent playback of two meters with different beats per measure, synced on the bar. Find out what any combination of up to 20 beats per measure sounds like. Retaining the hyper-accurate audio engine from our bestselling Tempo, the UI on Tempo Advance has been rethought to focus on the metronome visual cues. Auto setlist advancement, accelerando, ritardando and playback tracking makes it possible for you to program count-ins or complex songs with varying tempo, time signatures and rhythms. Visit tempoadvance.com for demo videos. *As voted in the 2013 Drummies! Awards held by DRUM! Magazine Time Signatures • In Subdivide Mode, up to 20 beats per measure and 20 subdivisions per beat • In Polyrhythm Mode, up to 20 beats per measure on either channel • Adjust with gestures with delightful animations or select directly Rhythm Patterns • Configure every beat and subdivision to one of 4 states: Accent 1, Accent 2, Regular, Silent • Choose from 15 sound sets, including Voice Count and one tuned for live drumming • Assign any sound and vibration state (iPhone only) to each of the tick states • Set individual volumes for each of the tick states • Separate settings for 2nd channel in Polyrhythm Mode Tempo • Ranges from 10 to 800 BPM • Four ways to edit tempo: gestures, tap tempo, adjustment buttons and direct input • Beat interval and frequency display Tracker and Automator • Keep track of number of measures played or time passed • Option to stop metronome and/or reset Tracker automatically when limit reached • Automatic adjustment of tempo by X BPM every X bars or X amount of time Presets • Store time signatures and rhythm patterns in unlimited preset buttons • Drag presets to reorder them or select them for deletion Setlists • Store tempo, meter, rhythm pattern, sound, Tracker and Automator settings in songs organized into setlists • Full editing of saved songs • Advanced management including search, multi-row deletion and duplication of songs to same or other setlist • Turn on auto setlist advance for hands free operation, or program complex songs • Loop setlist • Share and import individual setlists via email • Backup setlist data via iTunes File Sharing Audio • Mute switch • Playback over audio from other apps, when screen is locked and when app is in background • Separate volume control for metronome • Pan anywhere from extreme left to extreme right Themes • Select from 5 default themes, or create your own • Switch between flat and skeuomorphic styles • Intuitive Theme Editor shows your changes in realtime • Texturize the center panel with a variety of 25 patterns • Share and import themes via email Miscellaneous • Resizeable Presets/Setlist panel • Take control with Bluetooth foot pedals and the iPhone’s proximity sensor • Built-in Tutorial section • Option to flash display on first or every beat • Reference tones for all 12 chromatic notes, calibrate from A = 414 to 466 Hz

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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.