# オンデバイス文字起こし vs ずんだチャイム

The clearest difference is update cadence: オンデバイス文字起こし at every 4 days against ずんだチャイム's every 9 days. ずんだチャイム's advantage is iOS requirement (16.0 vs 26.0). 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.

オンデバイス文字起こし ships an update every 4 days, ずんだチャイム every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | オンデバイス文字起こし | ずんだチャイム |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Size | 9 MB | 185 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Iwanaga](https://appshunter.io/developer/1671198895) | [masatomo ota](https://appshunter.io/developer/6787378793) |

## What reviewers say

### オンデバイス文字起こし

[App page](https://appshunter.io/ios/app/kasane/id6759188450)

**Features:** macOS Compatibility, Vision Pro 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 オンデバイス文字起こし free?

オンデバイス文字起こし 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 オンデバイス文字起こし or ずんだチャイム have ads?

Neither オンデバイス文字起こし nor ずんだチャイム shows ads.

### Which is updated more often, オンデバイス文字起こし or ずんだチャイム?

オンデバイス文字起こし ships an update every 4 days, and ずんだチャイム every 9 days. Most recently, オンデバイス文字起こし was updated on November 5, 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.*