# XML / JSON Viewer vs OctoGo

The clearest difference is in-app purchases: OctoGo at none against XML / JSON Viewer's 1. OctoGo also leads on ads (none vs shown). XML / JSON Viewer's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

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

XML / JSON Viewer ships an update every 3 weeks, OctoGo every 3 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | XML / JSON Viewer | OctoGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 46 MB | 33 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [Sean Woodliffe](https://appshunter.io/developer/1856820876) |

## 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 |


### OctoGo

[App page](https://appshunter.io/ios/app/octogo/id6757174070)

**Features:** macOS Compatibility, 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 OctoGo free?

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

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

XML / JSON Viewer shows ads; OctoGo does not.

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

XML / JSON Viewer ships an update every 3 weeks, and OctoGo every 3 months. Most recently, XML / JSON Viewer was updated on October 7, 2026 and OctoGo on October 1, 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.*