Report updated Apr 14, 2026

TL;DR:Time Trainer Metronome is a specialized rhythmic training tool for musicians, leveraging unique exercises like 'Bar Breaks' and 'Random Beat Drop' to build internal timing. Users feel Excited, praising advanced training features but frustrated by ui redesign & feature loss. Time Trainer Metronome is a 'zombie' leader—it has a superior pedagogical core that users love, but it is being slowly strangled by its 2018 architecture.|TL;DR:Time Trainer Metronome is a specialized rhythmic training tool for musicians, leveraging unique exercises like 'Bar Breaks' and 'Random Beat Drop' to build internal timing. Users feel Excited, praising advanced training features but frustrated by ui redesign & feature loss. Time Trainer Metronome is a 'zombie' leader—it has a superior pedagogical core that users love, but it is being slowly strangled by its 2018 architecture.
Play Store →

Time Trainer Metronome is a well-regarded music app that is a paid app. With a 4.5/5 rating from 72 reviews, it maintains solid user satisfaction. Users particularly appreciate advanced training features, though ui redesign & feature loss remains a common concern.

What Is Time Trainer Metronome?

Time Trainer Metronome is a specialized rhythmic training tool for musicians, leveraging unique exercises like 'Bar Breaks' and 'Random Beat Drop' to build internal timing. Developed by Justin Guitar, it targets serious students who value pedagogical depth over generic features. Despite a Positive sentiment, the app is effectively in maintenance mode, with its last update in 2018, yet it maintains a presence in the top 100 Paid Music charts (#88 US).

Current Momentum

v2.21 · 100mo ago

Zombie

Time Trainer Metronome is currently in maintenance mode, with no significant feature updates since January 2018.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Active Nemesis

Metronome Ϟ

Metronome Ϟ

By ONYX Apps

Other Rivals

TonalEnergy Tuner & Metronome
Pro Metronome - Tempo & Tuner
Metronome Pro - Beat & Tempo

7-Day Rank Pulse 🇺🇸

#88
NEW

Main Category

MusicPaid
AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Recent User Mood 🇺🇸

Excited
Excited
Advanced Training Features
UI Redesign & Feature Loss

What makes this app unique?

What Does It Look Like?

How Is The App's Momentum Right Now?

Loading...

What Are The Key Features?

Bar BreaksDifferentiator

Mutes the metronome for specific bars to force the user to maintain internal tempo.

Random Beat DropDifferentiator

Randomly mutes clicks to prevent reliance on the metronome.

Speed UpDifferentiator

Automatically increases tempo over a set duration for technical practice.

Tap TempoStandard

Allows users to determine the tempo by tapping a button.

Who is it for & how much does it cost?

Target Audience

Musicians of all levels looking to improve their internal sense of time and rhythm through structured, progressive practice exercises.

Pricing

Paid
  • One-time purchase of $1.99

A low-cost, non-subscription model that appeals to users seeking a 'complete' tool without recurring fees, though it likely limits the developer's ability to fund modern updates.

Who Built It?

Music

What other apps does Justin Guitar make?

One Minute Changes

One Minute Changes

Education

Interval Ear Trainer

Interval Ear Trainer

Education

Blues Licks

Blues Licks

Music

Guitar Fretboard Note Trainer

Guitar Fretboard Note Trainer

Education

What do users think recently?

High confidence · 72 reviews analyzed

What is the recent mood?

Excited
Excited

Recent user voice shows a excited sentiment. Users appreciate advanced training features and exceptional value, but report ui redesign & feature loss and os compatibility issues.

What Users Love

Advanced Training Features

I got this app for the bar drop feature... My internal clock has improved greatly.

I use the speed up feature all the time... Worth the $ for that alone!

Exceptional Value

Well worth the two bucks, American.

I especially like... that the app comes complete without having to pay for in-app purchases.

What Frustrates Users

UI Redesign & Feature Loss

The deal breaker for me is the loss of the 'tap' feature in the old version.

This new version is not able to appear in landscape form on my IPad.

OS Compatibility Issues

It takes forever to be updated. The best features don't currently work with iOS 8.

Can't adjust duration- app hangs with iOS 8 on iPhone 6 plus.

What is the competitive landscape for Time Trainer Metronome?

How's The Music Market?

How does it evolve in the Music market?

ChartRankChange
Paid#88NEW

The rivals identified

The Nemesis

  1. -

    Features a dedicated practice timer and background mode support, allowing users to practice along with other apps—a capability the target's 2018 architecture lacks.

  2. -

    Maintains a high-precision 'clock' engine optimized for modern iOS versions, addressing the 'stability' claim the target app makes but hasn't updated in years.

Contenders

-

Integrated professional-grade chromatic tuner and spectral analysis tools, providing a complete toolkit that makes the target's metronome-only offering feel incomplete for serious musicians.

-

Supports MIDI input and Bluetooth synchronization across devices, enabling ensemble practice which the target app cannot facilitate.

Pro Metronome - Tempo & Tuner

Pro Metronome - Tempo & Tuner

4.7 (19.6K)

Polybeat Limited

A feature-dense alternative that targets the same 'training' niche through complex polyrhythm and programmable setlist features.

-

Supports complex polyrhythms (e.g., 4:3) and custom subdivisions, offering deeper rhythmic training than the target's standard time signatures.

-

Programmable 'Playlist' feature allows users to automate tempo changes for a full practice routine, automating the manual scheduling the target's countdown timer requires.

Metronome Pro - Beat & Tempo

Metronome Pro - Beat & Tempo

4.5 (21.9K)

MWM

A modern, UX-focused rival that leverages visual cues and haptics to provide a more immersive practice environment than the target's static interface.

-

Utilizes a 'Visual Beat' system that uses the camera flash or screen pulses for silent practice, solving a major pain point for musicians in loud environments.

-

Offers a simplified, gesture-based UI for tempo adjustments, making it more 'one-hand friendly' during instrument practice compared to the target's button-heavy layout.

The outtake for Time Trainer Metronome

SWOT Analysis

Core Strengths

  • Unique training algorithms (Bar Breaks, Beat Drop)
  • Strong community backing (Justin Guitar)
  • High-precision metronome engine
  • No-subscription pricing model

Critical Frictions

  • Legacy architecture (last updated 2018)
  • Lack of background audio support
  • Missing landscape mode for iPad users
  • Clumsy UI with small touch targets

Growth Levers

  • Modernize for M1/M2 Mac and latest iPadOS
  • Add polyrhythmic support (competitor gap)
  • Implement background mode for use with YouTube/instructional video

Market Threats

  • Metronome Ϟ's high update velocity and modern feature set
  • TonalEnergy's all-in-one utility dominance
  • Pro Metronome's automated practice playlists

What are the next best moves?

high

Restore Landscape Mode and Tap Tempo functionality

These are the top-cited complaints in user reviews and represent a regression from previous versions that drives churn.

high

Implement Background Audio support

Directly addresses a competitive disadvantage against Nemesis (Metronome Ϟ) and allows users to practice with external video content.

medium

Increase Start/Stop button hit-box size

Addresses usability complaints regarding 'clumsy' interface and difficulty controlling the app during instrument practice.

Feature Gaps vs Competitors

  • Background mode support (available in Metronome Ϟ)
  • Integrated Tuner (available in TonalEnergy)
  • Complex Polyrhythms (available in Pro Metronome)
  • Gesture-based UI (available in Metronome Pro)

Key Takeaways

Time Trainer Metronome is a 'zombie' leader—it has a superior pedagogical core that users love, but it is being slowly strangled by its 2018 architecture. If the PM does not modernize the UI and add background audio, it will eventually lose its niche to high-velocity rivals like Metronome Ϟ.

Where Is It Heading?

Stable

Recent #88 Paid Music ranking (US) indicates persistent organic demand for training tools.

Last updated Jan 2018—app is in maintenance mode with no active feature expansion.

User mood is Positive regarding core features but Frustrated by legacy UI bugs.

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community.

Hope this helps & keep building! · Found an error?

What's new in this report

No changes detected yet.

Cite this report

Marlvel.ai. “Time Trainer Metronome Intelligence Report.” Updated Apr 14, 2026. https://marlvel.ai/intel-report/music/com-justinguitar-app-time-trainer

Agent Markdown (.md)·

Data licensed under CC-BY-NC 4.0