# 通訳先生 vs One Kanji Clock

The clearest difference is in-app purchases: 通訳先生 at none against One Kanji Clock's 1. 通訳先生 also leads on ads (none vs shown). One Kanji Clock's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. One Kanji Clock sells 1 one-off in-app purchase. 通訳先生 asks for nothing beyond the download.

## The numbers

| Metric | 通訳先生 | One Kanji Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 months |
| Size | 1 MB | 18 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Atsushi Yamada](https://appshunter.io/developer/301497489) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### 通訳先生

[App page](https://appshunter.io/ios/app/id6448038280)

**In-app purchases:** none


### One Kanji Clock

[App page](https://appshunter.io/ios/app/one-kanji-clock/id6468893847)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Kanji Clock with no ads | $2.99 | one-time |


## Frequently asked questions

### Is 通訳先生 free?

通訳先生 is free to download, with no in-app purchases.

### Is One Kanji Clock free?

One Kanji Clock is free to download, with in-app purchases available.

### Do 通訳先生 or One Kanji Clock have ads?

One Kanji Clock shows ads; 通訳先生 does not.

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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.*