# MQTTAnalyzer vs Coolrite EMS

The clearest difference is rating: Coolrite EMS at 5.0 against MQTTAnalyzer's 4.5. Coolrite EMS also leads on iOS requirement (13.4 vs 18.0). MQTTAnalyzer's advantage is update cadence (every 5 days vs every 31 months) and ratings volume (22 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Coolrite EMS holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MQTTAnalyzer has 22 ratings behind it against 2, so its average is the more settled of the two.

MQTTAnalyzer ships an update every 5 days, Coolrite EMS every 31 months. The most recent releases landed on September 21, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | MQTTAnalyzer | Coolrite EMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (22 ratings)](https://appshunter.io/ios/app/mqttanalyzer/id1493015317/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/coolrite-ems/id6468810662/reviews)** |
| Number of ratings | **22** | 2 |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 31 months |
| Monetization | Free | Free |
| Size | 12 MB | 14 MB |
| Requires iOS | 18.0 | **13.4** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Philipp Arndt](https://appshunter.io/developer/1493015316) | [Gurjeet Singh](https://appshunter.io/developer/1710586156) |

## What reviewers say

### MQTTAnalyzer

[App page](https://appshunter.io/ios/app/mqttanalyzer/id1493015317)

Monitor and debug MQTT brokers on your Apple devices. Visualize data with hierarchical views, JSON highlighting, and charts. Publish messages, manage multiple brokers, and sync settings across devices. Free and open source.

**Highlights:** MQTT 3.1.1 and 5.0 support, JSON highlighting and pretty-printing, Time series charts for numeric values, Connect to multiple brokers, Full-text search, Publish messages, iCloud sync

**Features:** Vision Pro support

**In-app purchases:** none


### Coolrite EMS

[App page](https://appshunter.io/ios/app/coolrite-ems/id6468810662)

Monitor and control commercial refrigeration units remotely. Receive instant alerts for temperature changes and AI-driven diagnostics to prevent issues.

**Highlights:** Real-time temperature tracking, AI-based diagnostics, Instant SMS & Email alerts, Remote control access, Works with Coolrite Smart Controller

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MQTTAnalyzer free?

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

### Is Coolrite EMS free?

Coolrite EMS is free to download, with no in-app purchases.

### Which has better reviews, MQTTAnalyzer or Coolrite EMS?

Coolrite EMS is rated higher. MQTTAnalyzer averages 4.5 out of 5 from 22 ratings, while Coolrite EMS averages 5.0 from 2 ratings.

### Do MQTTAnalyzer or Coolrite EMS have ads?

Neither MQTTAnalyzer nor Coolrite EMS shows ads.

### Which is updated more often, MQTTAnalyzer or Coolrite EMS?

MQTTAnalyzer ships an update every 5 days, and Coolrite EMS every 31 months. Most recently, MQTTAnalyzer was updated on September 21, 2026 and Coolrite EMS on June 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*