# Realm App vs JSON Editor Mobile

The clearest difference is review sentiment: Realm App at 100% against JSON Editor Mobile's 60%. Realm App also leads on in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JSON Editor Mobile sells 2 one-off in-app purchases. Realm App asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Realm App | JSON Editor Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (11 ratings)](https://appshunter.io/ios/app/json-editor-mobile/id6496686132/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 11 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Globalstar Inc](https://appshunter.io/developer/881495413) | [VDT LABS S.R.L.](https://appshunter.io/developer/567740333) |

## What reviewers say

### Realm App

[App page](https://appshunter.io/ios/app/realm-app/id6443846471)

Configure and update your ST150 Satellite Transmitter with this application. It provides essential tools for managing your device's settings and ensuring it's running the latest software.

**Highlights:** Update ST150 Satellite Transmitter, Configure device settings, Manage transmitter configuration, Access device updates

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON Editor Mobile

[App page](https://appshunter.io/ios/app/json-editor-mobile/id6496686132)

This application allows users to create, visualize, modify, and validate JSON data. It offers both outline and text modes for editing, with features like syntax coloring, auto-indentation, and find/replace functionality. Premium features, including saving documents, are available via a one-time in-app purchase.

**Highlights:** View and edit JSON in outline or text modes, Error-proof manipulation in outline mode, Syntax coloring and auto-indentation in text mode, JSON validation with error highlighting, Find and replace functionality, Undo and redo options, Customizable appearance and font settings

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip | $1.99 | one-time |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Realm App free?

Realm App is free to download, with no in-app purchases.

### Is JSON Editor Mobile free?

JSON Editor Mobile is free to download, with in-app purchases available.

### Do Realm App or JSON Editor Mobile have ads?

Neither Realm App nor JSON Editor Mobile shows ads.

### Which is updated more often, Realm App or JSON Editor Mobile?

Realm App ships an update every 3 months, and JSON Editor Mobile every 3 months. Most recently, Realm App was updated on September 30, 2026 and JSON Editor Mobile on October 3, 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.*