# 30minTimer vs ずんだチャイム

The clearest difference is ads: ずんだチャイム at none against 30minTimer's shown. ずんだチャイム also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (16.0 vs 18.5). On price, 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.

30minTimer ships an update every 3 weeks, ずんだチャイム every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | 30minTimer | ずんだチャイム |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/30mintimer-hourly-chime/id6780185941/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 185 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [hidenobu akiyoshi](https://appshunter.io/developer/6778454222) | [masatomo ota](https://appshunter.io/developer/6787378793) |

## What reviewers say

### 30minTimer

[App page](https://appshunter.io/ios/app/30mintimer-hourly-chime/id6780185941)

This app provides timely audio alerts at user-defined intervals, such as every hour or half-hour. It's designed to help users manage their time effectively for work, study, or daily routines by offering customizable chimes and voice notifications. Settings are saved locally on the device for privacy.

**Highlights:** Customizable chime intervals, Hourly and half-hourly alerts, Multiple sound and voice options, User-defined active hours, Local notification scheduling, Ad-supported with non-intrusive ads

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

**In-app purchases:** none


### ずんだチャイム

[App page](https://appshunter.io/ios/app/id6787574809)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 30minTimer free?

30minTimer is free to download, with no in-app purchases.

### Is ずんだチャイム free?

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

### Do 30minTimer or ずんだチャイム have ads?

30minTimer shows ads; ずんだチャイム does not.

### Which is updated more often, 30minTimer or ずんだチャイム?

30minTimer ships an update every 3 weeks, and ずんだチャイム every 9 days. Most recently, 30minTimer was updated on October 31, 2026 and ずんだチャイム on October 31, 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.*