# PLC vs Modbus TCP Tools

The clearest difference is in-app purchases: PLC at none against Modbus TCP Tools's 1. Modbus TCP Tools's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Modbus TCP Tools sells 1 one-off in-app purchase. PLC asks for nothing beyond the download.

## The numbers

| Metric | PLC | Modbus TCP Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 4 MB | 31 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [spiritdev Softwareentwicklung GmbH](https://appshunter.io/developer/1530950669) | [BITAJON SYSTEMS LTDA](https://appshunter.io/developer/1896653646) |

## What reviewers say

### PLC

[App page](https://appshunter.io/ios/app/plc-inspector/id6756433005)

**Features:** Vision Pro support

**In-app purchases:** none


### Modbus TCP Tools

[App page](https://appshunter.io/ios/app/modbus-tcp-tools/id6786831533)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modbus TCP Tool | $9.99 | one-time |


## Frequently asked questions

### Is PLC free?

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

### Is Modbus TCP Tools free?

Modbus TCP Tools is free to download, with in-app purchases available.

### Do PLC or Modbus TCP Tools have ads?

Neither PLC nor Modbus TCP Tools shows ads.

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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.*