# 4 bars Metronome vs Opera GO

The clearest difference is update cadence: 4 bars Metronome at every 5 days against Opera GO's every 2 weeks. Opera GO's advantage is iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

4 bars Metronome ships an update every 5 days, Opera GO every 2 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | 4 bars Metronome | Opera GO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 26 MB | 177 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hitoshi Yamaguchi](https://appshunter.io/developer/1606219554) | [Velvet Flare](https://appshunter.io/developer/1732077632) |

## What reviewers say

### 4 bars Metronome

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Opera GO

[App page](https://appshunter.io/ios/app/opera-go/id6478173013)

**In-app purchases:** none


## Frequently asked questions

### Is 4 bars Metronome free?

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

### Is Opera GO free?

Opera GO is free to download, with no in-app purchases.

### Do 4 bars Metronome or Opera GO have ads?

Neither 4 bars Metronome nor Opera GO shows ads.

### Which is updated more often, 4 bars Metronome or Opera GO?

4 bars Metronome ships an update every 5 days, and Opera GO every 2 weeks. Most recently, 4 bars Metronome was updated on October 10, 2026 and Opera GO on October 10, 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.*