# FieldBus Toolkit vs Modbus Explorer

The clearest difference is ads: Modbus Explorer at none against FieldBus Toolkit's shown. Modbus Explorer also leads on update cadence (every 2 weeks vs every 2 months). FieldBus Toolkit's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and in-app purchases there is nothing between them.

Both are free to download. FieldBus Toolkit sells 1 one-off in-app purchase and Modbus Explorer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FieldBus Toolkit ships an update every 2 months, Modbus Explorer every 2 weeks. The most recent releases landed on September 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | FieldBus Toolkit | Modbus Explorer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 29 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DONGSOO LEE](https://appshunter.io/developer/1868670088) | [HASAN BARAN](https://appshunter.io/developer/6773067753) |

## What reviewers say

### FieldBus Toolkit

[App page](https://appshunter.io/ios/app/fieldbus-toolkit/id6758210279)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Modbus Explorer

[App page](https://appshunter.io/ios/app/modbus-explorer/id6778095956)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modbus Explorer Pro | $14.99 | one-time |


## Frequently asked questions

### Is FieldBus Toolkit free?

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

### Is Modbus Explorer free?

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

### Do FieldBus Toolkit or Modbus Explorer have ads?

FieldBus Toolkit shows ads; Modbus Explorer does not.

### Which is updated more often, FieldBus Toolkit or Modbus Explorer?

FieldBus Toolkit ships an update every 2 months, and Modbus Explorer every 2 weeks. Most recently, FieldBus Toolkit was updated on September 8, 2026 and Modbus Explorer on September 21, 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.*