# JB Timing Trainer vs 4 bars Metronome

The clearest difference is price: 4 bars Metronome at Free against JB Timing Trainer's $14.99. 4 bars Metronome also leads on update cadence (every 5 days vs every 5 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

4 bars Metronome is free to download; JB Timing Trainer costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JB Timing Trainer ships an update every 5 months, 4 bars Metronome every 5 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | JB Timing Trainer | 4 bars Metronome |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jb-timing-trainer/id6444255923/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 36 MB | 26 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Son of a Bjork AB](https://appshunter.io/developer/1653377777) | [Hitoshi Yamaguchi](https://appshunter.io/developer/1606219554) |

## What reviewers say

### JB Timing Trainer

[App page](https://appshunter.io/ios/app/jb-timing-trainer/id6444255923)

Master your rhythm with this advanced metronome app. It offers versatile subdivisions, musical drones, and customizable beat patterns for precise musical practice. Includes video tutorials to help you utilize all features.

**Highlights:** Versatile subdivisions (1-21 per beat), Musical drones for practice enhancement, Customizable beats and complex patterns, Seamless subdivision switching, Silent beats for tempo retention, Save and access favorite beat patterns, In-app video tutorials

**Features:** macOS Compatibility

**In-app purchases:** none


### 4 bars Metronome

[App page](https://appshunter.io/ios/app/4-bars-metronome/id6450316704)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JB Timing Trainer free?

JB Timing Trainer costs $14.99, with no in-app purchases.

### Is 4 bars Metronome free?

4 bars Metronome is free to download, with no in-app purchases.

### Do JB Timing Trainer or 4 bars Metronome have ads?

Neither JB Timing Trainer nor 4 bars Metronome shows ads.

### Which is updated more often, JB Timing Trainer or 4 bars Metronome?

JB Timing Trainer ships an update every 5 months, and 4 bars Metronome every 5 days. Most recently, JB Timing Trainer was updated on October 24, 2026 and 4 bars Metronome on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*