# XML / JSON Viewer vs JSON Formatter Viewer

The clearest difference is ads: JSON Formatter Viewer at none against XML / JSON Viewer's shown. JSON Formatter Viewer also leads on chart position (#191 vs unranked). XML / JSON Viewer's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. XML / JSON Viewer sells 1 one-off in-app purchase and JSON Formatter Viewer sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | XML / JSON Viewer | JSON Formatter Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Best chart rank | — | **#191** |
| Size | 40 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### XML / JSON Viewer

[App page](https://appshunter.io/ios/app/xml-json-viewer/id6753669541)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |


### JSON Formatter Viewer

[App page](https://appshunter.io/ios/app/json-formatter-viewer/id6772269691)

**Currently charting:** #191 Top Grossing · Developer Tools (US App Store)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is XML / JSON Viewer free?

XML / JSON Viewer is free to download, with in-app purchases available.

### Is JSON Formatter Viewer free?

JSON Formatter Viewer is free to download, with in-app purchases available.

### Do XML / JSON Viewer or JSON Formatter Viewer have ads?

XML / JSON Viewer shows ads; JSON Formatter Viewer does not.

### Which is updated more often, XML / JSON Viewer or JSON Formatter Viewer?

XML / JSON Viewer ships an update every 6 weeks, and JSON Formatter Viewer every 6 weeks. Most recently, XML / JSON Viewer was updated on September 19, 2026 and JSON Formatter Viewer on September 22, 2026.

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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.*