# MQTT Checker vs MQTT Debug & Analyzer Client

The clearest difference is in-app purchases: MQTT Checker at none against MQTT Debug & Analyzer Client's 3. MQTT Debug & Analyzer Client's advantage is update cadence (fortnightly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MQTT Debug & Analyzer Client sells 3 in-app purchases, starting at $2.99 per month. MQTT Checker asks for nothing beyond the download.

MQTT Checker ships an update monthly, MQTT Debug & Analyzer Client fortnightly. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | MQTT Checker | MQTT Debug & Analyzer Client |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Subscription |
| Size | 38 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DreamNexus](https://appshunter.io/developer/1602135238) | [小玲 王](https://appshunter.io/developer/1573722736) |

## What reviewers say

### MQTT Checker

[App page](https://appshunter.io/ios/app/mqtt-checker-mqtt-connection/id6450397057)

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

**In-app purchases:** none


### MQTT Debug & Analyzer Client

[App page](https://appshunter.io/ios/app/mqtt-debug-and-analyzer-client/id6759897721)

This utility helps IoT developers and network engineers debug, monitor, and analyze MQTT traffic. It offers advanced connectivity, full MQTT 5.0 support, and intuitive data visualization tools. Seamlessly integrates with major IoT platforms.

**Highlights:** Advanced connectivity (TCP, WebSockets, SSL/TLS), MQTT 5.0 protocol support, Syntax highlighting for JSON, XML, text, Hex view for binary data, Real-time charts for numerical payloads, Chat-style message history, Broker compatibility with major platforms

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MQTT Month Pro | $2.99 | per month |
| MQTT Yearly Pro | $4.99 | per year |
| MQTT Lifetime Pro | $5.99 | one-time |


## Frequently asked questions

### Is MQTT Checker free?

MQTT Checker is free to download, with no in-app purchases.

### Is MQTT Debug & Analyzer Client free?

MQTT Debug & Analyzer Client is free to download, with in-app purchases available.

### Do MQTT Checker or MQTT Debug & Analyzer Client have ads?

Neither MQTT Checker nor MQTT Debug & Analyzer Client shows ads.

### Which is updated more often, MQTT Checker or MQTT Debug & Analyzer Client?

MQTT Checker ships an update monthly, and MQTT Debug & Analyzer Client fortnightly. Most recently, MQTT Checker was updated on September 19, 2026 and MQTT Debug & Analyzer Client on September 23, 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.*