# PLC logic vs Modbus TCP Tools

The clearest difference is in-app purchases: PLC logic at none against Modbus TCP Tools's 1. PLC logic also leads on iOS requirement (8.0 vs 15.1). Modbus TCP Tools's advantage is device support (3 vs 1). On price and ads there is nothing between them.

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

## The numbers

| Metric | PLC logic | Modbus TCP Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 43 MB | 31 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Phoenix Contact GmbH & Co. KG](https://appshunter.io/developer/426916392) | [BITAJON SYSTEMS LTDA](https://appshunter.io/developer/1896653646) |

## What reviewers say

### PLC logic

[App page](https://appshunter.io/ios/app/plc-logic/id1127456817)

**Features:** macOS Compatibility

**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 logic free?

PLC logic 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 logic or Modbus TCP Tools have ads?

Neither PLC logic 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.*