# Advanced JSON Viewer vs LexiNexiAI Developer Agent

The clearest difference is price: LexiNexiAI Developer Agent at Free against Advanced JSON Viewer's $1.99. Advanced JSON Viewer's advantage is in-app purchases (none vs 5) and chart position (#186 vs unranked). On update cadence, ads and device support there is nothing between them.

LexiNexiAI Developer Agent is free to download; Advanced JSON Viewer costs $1.99 up front. LexiNexiAI Developer Agent sells 5 one-off in-app purchases. Advanced JSON Viewer asks for nothing beyond the download.

Advanced JSON Viewer ships an update every 6 weeks, LexiNexiAI Developer Agent every 2 months. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Advanced JSON Viewer | LexiNexiAI Developer Agent |
| --- | --- | --- |
| 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 | **#186** | — |
| Size | 5 MB | 12 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Acrogenesis LLC](https://appshunter.io/developer/1784592807) | [LexiNexiAI Private Limited](https://appshunter.io/developer/1786390241) |

## What reviewers say

### Advanced JSON Viewer

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

**Currently charting:** #186 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


### LexiNexiAI Developer Agent

[App page](https://appshunter.io/ios/app/lexinexiai-developer-agent/id6741991832)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lexi 50 Credits | $1.99 | one-time |
| Lexi 130 Credits | $4.99 | one-time |
| Lexi 350 Credits | $9.99 | one-time |
| Lexi 1000 Credits | $19.99 | one-time |
| Lexi 5500 Credits | $99.99 | one-time |


## Frequently asked questions

### Is Advanced JSON Viewer free?

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

### Is LexiNexiAI Developer Agent free?

LexiNexiAI Developer Agent is free to download, with in-app purchases available.

### Do Advanced JSON Viewer or LexiNexiAI Developer Agent have ads?

Neither Advanced JSON Viewer nor LexiNexiAI Developer Agent shows ads.

### Which is updated more often, Advanced JSON Viewer or LexiNexiAI Developer Agent?

Advanced JSON Viewer ships an update every 6 weeks, and LexiNexiAI Developer Agent every 2 months. Most recently, Advanced JSON Viewer was updated on September 24, 2026 and LexiNexiAI Developer Agent on September 14, 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.*