# One Kanji Clock vs ZoneSync

The clearest difference is in-app purchases: ZoneSync at none against One Kanji Clock's 1. ZoneSync also leads on ads (none vs shown). One Kanji Clock's advantage is iOS requirement (12.0 vs 17.0). 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. ZoneSync asks for nothing beyond the download.

## The numbers

| Metric | One Kanji Clock | ZoneSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 18 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Vahid HAGHIGHAT](https://appshunter.io/developer/1806270555) |

## What reviewers say

### 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 |


### ZoneSync

[App page](https://appshunter.io/ios/app/zonesync/id6744264291)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Kanji Clock free?

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

### Is ZoneSync free?

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

### Do One Kanji Clock or ZoneSync have ads?

One Kanji Clock shows ads; ZoneSync 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.*