# JSON Viewer & Formatter vs Mandarin Assistant HSK Widget

The clearest difference is price: JSON Viewer & Formatter at Free against Mandarin Assistant HSK Widget's $1.99. Mandarin Assistant HSK Widget's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

JSON Viewer & Formatter is free to download; Mandarin Assistant HSK Widget costs $1.99 up front. JSON Viewer & Formatter sells 3 in-app purchases, starting at $1.99 per 7 days. Mandarin Assistant HSK Widget asks for nothing beyond the download.

JSON Viewer & Formatter ships an update weekly, Mandarin Assistant HSK Widget every 5 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | JSON Viewer & Formatter | Mandarin Assistant HSK Widget |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/json-viewer-and-formatter/id6754194710/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 274 MB |
| Requires iOS | **17** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Muhammad Mujahid Khan](https://appshunter.io/developer/1749120554) | [Vertex8](https://appshunter.io/developer/6801617409) |

## What reviewers say

### JSON Viewer & Formatter

[App page](https://appshunter.io/ios/app/json-viewer-and-formatter/id6754194710)

Format, validate, and compare JSON data offline on your iPhone or iPad. This tool offers a tree view, search functionality, and custom themes for efficient data management. Export JSON to various formats and handle large files smoothly.

**Highlights:** Beautify & Minify JSON, Import JSON files or paste from clipboard, Export JSON to CSV, XML, YAML, Interactive Tree View Explorer, Search JSON Keys & Values, Compare Two JSONs, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |


### Mandarin Assistant HSK Widget

[App page](https://appshunter.io/ios/app/mandarin-assistant-hsk-widget/id6801617407)

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

**In-app purchases:** none


## Frequently asked questions

### Is JSON Viewer & Formatter free?

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

### Is Mandarin Assistant HSK Widget free?

Mandarin Assistant HSK Widget costs $1.99, with no in-app purchases.

### Do JSON Viewer & Formatter or Mandarin Assistant HSK Widget have ads?

JSON Viewer & Formatter shows ads; Mandarin Assistant HSK Widget does not.

### Which is updated more often, JSON Viewer & Formatter or Mandarin Assistant HSK Widget?

JSON Viewer & Formatter ships an update weekly, and Mandarin Assistant HSK Widget every 5 days. Most recently, JSON Viewer & Formatter was updated on October 30, 2026 and Mandarin Assistant HSK Widget on November 6, 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.*