# Domain Watcher vs JSON Master

The clearest difference is device support: JSON Master at 3 against Domain Watcher's 1. JSON Master also leads on iOS requirement (18.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Domain Watcher | JSON Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 3 MB | 3 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Amax Software Sp. z o.o.](https://appshunter.io/developer/1436478399) | [Volodymyr Sichka](https://appshunter.io/developer/1125187457) |

## What reviewers say

### Domain Watcher

[App page](https://appshunter.io/ios/app/domain-watcher/id6778109671)

**In-app purchases:** none


### JSON Master

[App page](https://appshunter.io/ios/app/json-master/id6799075435)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Domain Watcher free?

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

### Is JSON Master free?

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

### Do Domain Watcher or JSON Master have ads?

Neither Domain Watcher nor JSON Master shows ads.

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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.*