# JSON Master vs Spunk Gauge

JSON Master and Spunk Gauge are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | JSON Master | Spunk Gauge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 3 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Sichka](https://appshunter.io/developer/1125187457) | [EYIMOFE PREST](https://appshunter.io/developer/6813851123) |

## What reviewers say

### JSON Master

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

**Features:** Vision Pro support

**In-app purchases:** none


### Spunk Gauge

[App page](https://appshunter.io/ios/app/spunk-gauge/id6814063502)

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

**In-app purchases:** none


## Frequently asked questions

### Is JSON Master free?

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

### Is Spunk Gauge free?

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

### Do JSON Master or Spunk Gauge have ads?

Neither JSON Master nor Spunk Gauge 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.*