# Advanced JSON Viewer vs ParseLab

The clearest difference is price: ParseLab at Free against Advanced JSON Viewer's $1.99. Advanced JSON Viewer's advantage is in-app purchases (none vs 1) and chart position (#181 vs unranked). On update cadence, ads and device support there is nothing between them.

ParseLab is free to download; Advanced JSON Viewer costs $1.99 up front. ParseLab sells 1 one-off in-app purchase. Advanced JSON Viewer asks for nothing beyond the download.

Advanced JSON Viewer ships an update every 6 weeks, ParseLab every 2 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Advanced JSON Viewer | ParseLab |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/advanced-json-viewer/id6739271287/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#181** | — |
| Size | 5 MB | 12 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Acrogenesis LLC](https://appshunter.io/developer/1784592807) | [Nevv Atlantis LLC](https://appshunter.io/developer/1785977795) |

## What reviewers say

### Advanced JSON Viewer

[App page](https://appshunter.io/ios/app/advanced-json-viewer/id6739271287)

**Currently charting:** #181 Top Paid · Developer Tools (US App Store)

This tool enhances JSON data viewing and editing within Safari and on your device. It offers beautiful formatting, syntax highlighting, and an interactive editor for efficient JSON management.

**Highlights:** Open and save JSON files, Beautiful JSON formatting, Syntax highlighting, Interactive editor, Light & dark modes, Error detection

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### ParseLab

[App page](https://appshunter.io/ios/app/parselab/id6744374600)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ParseLab Pro | $4.99 | one-time |


## Frequently asked questions

### Is Advanced JSON Viewer free?

Advanced JSON Viewer costs $1.99, with no in-app purchases.

### Is ParseLab free?

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

### Do Advanced JSON Viewer or ParseLab have ads?

Neither Advanced JSON Viewer nor ParseLab shows ads.

### Which is updated more often, Advanced JSON Viewer or ParseLab?

Advanced JSON Viewer ships an update every 6 weeks, and ParseLab every 2 months. Most recently, Advanced JSON Viewer was updated on September 24, 2026 and ParseLab on September 18, 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.*