# Modbus TCP Pro vs IoT Panels

The clearest difference is price: IoT Panels at Free against Modbus TCP Pro's $11.99. IoT Panels also leads on in-app purchases (none vs 1) and update cadence (daily vs every 5 weeks). Modbus TCP Pro's advantage is review sentiment (100% vs 75%). On ads, monetization model, device support and iOS requirement there is nothing between them.

IoT Panels is free to download; Modbus TCP Pro costs $11.99 up front. Modbus TCP Pro sells 1 one-off in-app purchase. IoT Panels asks for nothing beyond the download.

Modbus TCP Pro ships an update every 5 weeks, IoT Panels daily. Both last shipped on September 10, 2026.

## The numbers

| Metric | Modbus TCP Pro | IoT Panels |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free | Free |
| Size | 2 MB | 8 MB |
| Requires iOS | 26.1 | **26.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bernard Struelens](https://appshunter.io/developer/1802500832) | [Philipp Arndt](https://appshunter.io/developer/1493015316) |

## What reviewers say

### Modbus TCP Pro

[App page](https://appshunter.io/ios/app/modbus-tcp-pro/id6756293575)

This tool allows professionals to test, read, and write Modbus registers directly from their iPhone. It offers robust connectivity and support for various data types, making it ideal for field testing and debugging industrial control systems.

**Highlights:** Modbus TCP connectivity, Read and write registers, Support for multiple data types, Configurable Unit ID, Instant feedback and error reporting, Designed for testing and debugging, Field testing without a laptop

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modbus Pro | $24.99 | one-time |


### IoT Panels

[App page](https://appshunter.io/ios/app/iot-panels/id6761324976)

Visualize and control your smart home devices with custom dashboards. Connect to various data sources like MQTT and InfluxDB, and control actuators directly from your iPhone, iPad, or Mac. Offers offline support and data export for analysis.

**Highlights:** Customizable dashboards with drag-and-drop panels, Support for MQTT, InfluxDB, and Prometheus data sources, Control IoT devices and actuators, Home screen and lock screen widgets, Offline support with intelligent data caching, JSON and CSV data export

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Modbus TCP Pro free?

Modbus TCP Pro costs $11.99, and also offers in-app purchases.

### Is IoT Panels free?

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

### Do Modbus TCP Pro or IoT Panels have ads?

Neither Modbus TCP Pro nor IoT Panels shows ads.

### Which is updated more often, Modbus TCP Pro or IoT Panels?

Modbus TCP Pro ships an update every 5 weeks, and IoT Panels daily. Most recently, Modbus TCP Pro was updated on September 10, 2026 and IoT Panels on September 10, 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.*