# チャイム vs Chime Machine

The clearest difference is in-app purchases: チャイム at none against Chime Machine's 2. Chime Machine's advantage is ads (none vs shown) and update cadence (every 10 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chime Machine sells 2 in-app purchases, starting at $2.99 per month. チャイム asks for nothing beyond the download.

チャイム ships an update monthly, Chime Machine every 10 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | チャイム | Chime Machine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 10 days** |
| Size | 26 MB | 91 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [kouji kawai](https://appshunter.io/developer/1704486915) | [moonxseed](https://appshunter.io/developer/310554167) |

## What reviewers say

### チャイム

[App page](https://appshunter.io/ios/app/id6746429529)

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

**In-app purchases:** none


### Chime Machine

[App page](https://appshunter.io/ios/app/chime-machine/id6748895957)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro subscription | $2.99 | per month |
| Yearly Pro subscription | $29.99 | per year |


## Frequently asked questions

### Is チャイム free?

チャイム is free to download, with no in-app purchases.

### Is Chime Machine free?

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

### Do チャイム or Chime Machine have ads?

チャイム shows ads; Chime Machine does not.

### Which is updated more often, チャイム or Chime Machine?

チャイム ships an update monthly, and Chime Machine every 10 days. Most recently, チャイム was updated on September 17, 2026 and Chime Machine on September 22, 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.*