# コード練習メトロノーム vs Dorebit

The clearest difference is in-app purchases: コード練習メトロノーム at none against Dorebit's 1. コード練習メトロノーム also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). Dorebit's advantage is update cadence (weekly vs every 18 months). On price and device support there is nothing between them.

Both are free to download. Dorebit sells 1 one-off in-app purchase. コード練習メトロノーム asks for nothing beyond the download.

コード練習メトロノーム ships an update every 18 months, Dorebit weekly. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | コード練習メトロノーム | Dorebit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Weekly** |
| Size | 24 MB | 442 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dream Jack Inc.](https://appshunter.io/developer/862264572) | [Tomoki Terasaki](https://appshunter.io/developer/6821790491) |

## What reviewers say

### コード練習メトロノーム

[App page](https://appshunter.io/ios/app/id1616074067)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dorebit

[App page](https://appshunter.io/ios/app/dorebit/id6821790489)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Unlock All | $2.99 | one-time |


## Frequently asked questions

### Is コード練習メトロノーム free?

コード練習メトロノーム is free to download, with no in-app purchases.

### Is Dorebit free?

Dorebit is free to download, with in-app purchases available.

### Do コード練習メトロノーム or Dorebit have ads?

Dorebit shows ads; コード練習メトロノーム does not.

### Which is updated more often, コード練習メトロノーム or Dorebit?

コード練習メトロノーム ships an update every 18 months, and Dorebit weekly. Most recently, コード練習メトロノーム was updated on November 7, 2026 and Dorebit on November 13, 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.*