# Modbus TCP FieldKit vs bacbus

The clearest difference is price: bacbus at Free against Modbus TCP FieldKit's $4.99. bacbus also leads on iOS requirement (15.0 vs 18.0). Modbus TCP FieldKit's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

bacbus is free to download; Modbus TCP FieldKit costs $4.99 up front. bacbus sells 1 one-off in-app purchase. Modbus TCP FieldKit asks for nothing beyond the download.

## The numbers

| Metric | Modbus TCP FieldKit | bacbus |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 11 MB | 8 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Chemeris](https://appshunter.io/developer/1854526571) | [Harness Automation, LLC](https://appshunter.io/developer/1666343374) |

## What reviewers say

### Modbus TCP FieldKit

[App page](https://appshunter.io/ios/app/modbus-tcp-fieldkit/id6768897913)

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

**In-app purchases:** none


### bacbus

[App page](https://appshunter.io/ios/app/bacbus/id6773854922)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BacBus Pro | $29.99 | one-time |


## Frequently asked questions

### Is Modbus TCP FieldKit free?

Modbus TCP FieldKit costs $4.99, with no in-app purchases.

### Is bacbus free?

bacbus is free to download, with in-app purchases available.

### Do Modbus TCP FieldKit or bacbus have ads?

Neither Modbus TCP FieldKit nor bacbus 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.*