# CodeDiff + vs Json Genie

The clearest difference is price: Json Genie at Free against CodeDiff +'s $3.99. Json Genie also leads on rating (4.6 vs 2.0) and update cadence (every 10 days vs every 7 months). CodeDiff +'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Json Genie is free to download; CodeDiff + costs $3.99 up front. Json Genie sells 1 one-off in-app purchase. CodeDiff + asks for nothing beyond the download.

Json Genie holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Json Genie has 5 ratings behind it against 1, so its average is the more settled of the two.

CodeDiff + ships an update every 7 months, Json Genie every 10 days. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CodeDiff + | Json Genie |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/codediff-plus/id6755953776/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/json-genie-json-editorviewer/id6762467992/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 58 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Tommy Uytterhaegen](https://appshunter.io/developer/1175932590) |

## What reviewers say

### CodeDiff +

[App page](https://appshunter.io/ios/app/codediff-plus/id6755953776)

Easily compare code files on your iPhone and iPad with a side-by-side view. Highlight changes, navigate between differences, and customize your viewing experience. Supports numerous file formats and offers advanced comparison options.

**Highlights:** Side-by-Side and Stacked Diff View, Highlight Changes in Color, Navigate Between Differences, Supports Multiple File Formats, Customizable Code Viewer, Advanced Diff Options, Search and Export Functionality

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

**In-app purchases:** none


### Json Genie

[App page](https://appshunter.io/ios/app/json-genie-json-editorviewer/id6762467992)

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

**Highlights:** View JSON in a tree structure, Edit JSON data safely, Compare JSON files, Merge JSON files, Search keys, values, and paths, Format and minify JSON, Private local workflow

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Json Genie Premium | $3.99 | one-time |


## Frequently asked questions

### Is CodeDiff + free?

CodeDiff + costs $3.99, with no in-app purchases.

### Is Json Genie free?

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

### Which has better reviews, CodeDiff + or Json Genie?

Json Genie is rated higher. CodeDiff + averages 2.0 out of 5 from 1 ratings, while Json Genie averages 4.6 from 5 ratings.

### Do CodeDiff + or Json Genie have ads?

Json Genie shows ads; CodeDiff + does not.

### Which is updated more often, CodeDiff + or Json Genie?

CodeDiff + ships an update every 7 months, and Json Genie every 10 days. Most recently, CodeDiff + was updated on October 10, 2026 and Json Genie on September 27, 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.*