# XML / JSON Viewer vs SimBeam

The clearest difference is in-app purchases: SimBeam at none against XML / JSON Viewer's 1. SimBeam also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. XML / JSON Viewer sells 1 one-off in-app purchase. SimBeam asks for nothing beyond the download.

XML / JSON Viewer ships an update every 3 weeks, SimBeam every 3 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | XML / JSON Viewer | SimBeam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 46 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [Kirill Sidorov](https://appshunter.io/developer/1778416571) |

## 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 |


### SimBeam

[App page](https://appshunter.io/ios/app/simbeam/id6788377942)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is XML / JSON Viewer free?

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

### Is SimBeam free?

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

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

XML / JSON Viewer shows ads; SimBeam does not.

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

XML / JSON Viewer ships an update every 3 weeks, and SimBeam every 3 days. Most recently, XML / JSON Viewer was updated on October 7, 2026 and SimBeam on September 30, 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.*