# TCP ModBus vs MQTTAnalyzer

The clearest difference is iOS requirement: TCP ModBus at 8.0 against MQTTAnalyzer's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

TCP ModBus ships an update every 4 days, MQTTAnalyzer every 5 days. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TCP ModBus | MQTTAnalyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (23 ratings)](https://appshunter.io/ios/app/mqttanalyzer/id1493015317/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 80.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [ТПУ](https://appshunter.io/developer/1004522612) | [Philipp Arndt](https://appshunter.io/developer/1493015316) |

## What reviewers say

### TCP ModBus

[App page](https://appshunter.io/ios/app/tcp-modbus/id1167945569)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TCP ModBus free?

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

### Is MQTTAnalyzer free?

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

### Do TCP ModBus or MQTTAnalyzer have ads?

Neither TCP ModBus nor MQTTAnalyzer shows ads.

### Which is updated more often, TCP ModBus or MQTTAnalyzer?

TCP ModBus ships an update every 4 days, and MQTTAnalyzer every 5 days. Most recently, TCP ModBus was updated on October 13, 2026 and MQTTAnalyzer on October 16, 2026.

---

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