# Chime Machine vs Zen Pomodoro Timer

The clearest difference is in-app purchases: Zen Pomodoro Timer at none against Chime Machine's 2. Zen Pomodoro Timer also leads on iOS requirement (12.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

Chime Machine ships an update every 10 days, Zen Pomodoro Timer weekly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Chime Machine | Zen Pomodoro Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 91 MB | 77 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [moonxseed](https://appshunter.io/developer/310554167) | [Saki Tsuji](https://appshunter.io/developer/1504430106) |

## What reviewers say

### 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 |


### Zen Pomodoro Timer

[App page](https://appshunter.io/ios/app/zen-pomodoro-timer/id6752254455)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chime Machine free?

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

### Is Zen Pomodoro Timer free?

Zen Pomodoro Timer is free to download, with no in-app purchases.

### Do Chime Machine or Zen Pomodoro Timer have ads?

Neither Chime Machine nor Zen Pomodoro Timer shows ads.

### Which is updated more often, Chime Machine or Zen Pomodoro Timer?

Chime Machine ships an update every 10 days, and Zen Pomodoro Timer weekly. Most recently, Chime Machine was updated on October 2, 2026 and Zen Pomodoro Timer on October 9, 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.*