# JSON Master vs AppSales：RevenueCat&Analytics

The clearest difference is price: AppSales：RevenueCat&Analytics at Free against JSON Master's $3.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

AppSales：RevenueCat&Analytics is free to download; JSON Master costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | JSON Master | AppSales：RevenueCat&Analytics |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 3 MB | 13 MB |
| Requires iOS | 18.0 | **17** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Sichka](https://appshunter.io/developer/1125187457) | [星富 何](https://appshunter.io/developer/6812808266) |

## What reviewers say

### JSON Master

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

**Features:** Vision Pro support

**In-app purchases:** none


### AppSales：RevenueCat&Analytics

[App page](https://appshunter.io/ios/app/appsalesrevenuecat-and-analytics/id6817179635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JSON Master free?

JSON Master costs $3.99, with no in-app purchases.

### Is AppSales：RevenueCat&Analytics free?

AppSales：RevenueCat&Analytics is free to download, with no in-app purchases.

### Do JSON Master or AppSales：RevenueCat&Analytics have ads?

Neither JSON Master nor AppSales：RevenueCat&Analytics 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.*