# JSON Editor Viewer XML PDF vs UnitShift Converter

The clearest difference is in-app purchases: JSON Editor Viewer XML PDF at none against UnitShift Converter's 1. JSON Editor Viewer XML PDF also leads on iOS requirement (13.0 vs 17.0). UnitShift Converter's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. UnitShift Converter sells 1 one-off in-app purchase. JSON Editor Viewer XML PDF asks for nothing beyond the download.

JSON Editor Viewer XML PDF ships an update every 2 months, UnitShift Converter every 2 weeks. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | JSON Editor Viewer XML PDF | UnitShift Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/json-editor-viewer-xml-pdf/id6476981919/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Haitam Baid](https://appshunter.io/developer/1725183609) | [IVAN BOBAN](https://appshunter.io/developer/1882842325) |

## What reviewers say

### JSON Editor Viewer XML PDF

[App page](https://appshunter.io/ios/app/json-editor-viewer-xml-pdf/id6476981919)

This app allows users to view, edit, and manage JSON, XML, and PDF files in a single platform. It offers features like syntax highlighting, file management, and search capabilities for efficient data manipulation and document review.

**Highlights:** Multi-format compatibility (JSON, XML, PDF), Intuitive JSON editing, XML data management, PDF document viewing, Syntax highlighting, File management, Search and filter

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitShift Converter

[App page](https://appshunter.io/ios/app/unitshift-converter/id6771310914)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitShift Premium | $2.99 | one-time |


## Frequently asked questions

### Is JSON Editor Viewer XML PDF free?

JSON Editor Viewer XML PDF is free to download, with no in-app purchases.

### Is UnitShift Converter free?

UnitShift Converter is free to download, with in-app purchases available.

### Do JSON Editor Viewer XML PDF or UnitShift Converter have ads?

Neither JSON Editor Viewer XML PDF nor UnitShift Converter shows ads.

### Which is updated more often, JSON Editor Viewer XML PDF or UnitShift Converter?

JSON Editor Viewer XML PDF ships an update every 2 months, and UnitShift Converter every 2 weeks. Most recently, JSON Editor Viewer XML PDF was updated on October 3, 2026 and UnitShift Converter on September 24, 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.*