# JSON Data Generator vs MyMQTT

The clearest difference is price: MyMQTT at Free against JSON Data Generator's $0.99. MyMQTT also leads on update cadence (every 3 months vs every 37 months). JSON Data Generator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

MyMQTT is free to download; JSON Data Generator costs $0.99 up front. MyMQTT sells 2 in-app purchases, starting at $0.99 per month. JSON Data Generator asks for nothing beyond the download.

JSON Data Generator ships an update every 37 months, MyMQTT every 3 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JSON Data Generator | MyMQTT |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mymqtt/id1634425878/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 18 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPad, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Adamov](https://appshunter.io/developer/1082896610) | [instant:solutions OG](https://appshunter.io/developer/915106584) |

## What reviewers say

### JSON Data Generator

[App page](https://appshunter.io/ios/app/json-data-generator/id1519924117)

**Features:** Vision Pro support

**In-app purchases:** none


### MyMQTT

[App page](https://appshunter.io/ios/app/mymqtt/id1634425878)

This professional client facilitates communication with MQTT brokers, supporting versions 3.1.1 and 5.0. It allows users to subscribe to topics, publish messages, and view detailed message metadata. Features include payload formatting, SSL support, and both dark and light modes.

**Highlights:** Connect to MQTT v3.1.1 and v5.0 Brokers, Subscribe and publish messages, Show message details and metadata, Payload formatting and highlighting, SSL support, Dark and light mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $8.99 | per year |


## Frequently asked questions

### Is JSON Data Generator free?

JSON Data Generator costs $0.99, with no in-app purchases.

### Is MyMQTT free?

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

### Do JSON Data Generator or MyMQTT have ads?

MyMQTT shows ads; JSON Data Generator does not.

### Which is updated more often, JSON Data Generator or MyMQTT?

JSON Data Generator ships an update every 37 months, and MyMQTT every 3 months. Most recently, JSON Data Generator was updated on October 5, 2026 and MyMQTT on October 7, 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.*