# CS Modbus vs ezModbus

The clearest difference is price: CS Modbus at Free against ezModbus's $4.99. CS Modbus also leads on iOS requirement (7.0 vs 17.0). ezModbus's advantage is chart position (#125 vs unranked). On ads, in-app purchases and device support there is nothing between them.

CS Modbus is free to download; ezModbus costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CS Modbus | ezModbus |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/cs-modbus/id979933120/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 41 months |
| Monetization | Free | — |
| Best chart rank | — | **#125** |
| Size | 1 MB | 2 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SikYi Chan](https://appshunter.io/developer/967732681) | [Bitmakers LLC](https://appshunter.io/developer/1474083419) |

## What reviewers say

### CS Modbus

[App page](https://appshunter.io/ios/app/cs-modbus/id979933120)

Access and monitor remote I/O and RTU devices running on Modbus protocol. Troubleshoot addresses, verify data accuracy, and convert values to various formats like binary, float, and integers. Ideal for learning and demonstrating Modbus functionality.

**Highlights:** Access holding registers, coils, and input registers, Monitor remote I/O and RTU devices, Troubleshoot Modbus addresses, Verify data accuracy, Convert values to binary, float, unsigned integer, and integer, Learn Modbus protocol, Perform equipment demonstrations

**Features:** macOS Compatibility

**In-app purchases:** none


### ezModbus

[App page](https://appshunter.io/ios/app/ezmodbus/id1474083420)

**Currently charting:** #125 Top Paid · Business (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is CS Modbus free?

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

### Is ezModbus free?

ezModbus costs $4.99, with no in-app purchases.

### Do CS Modbus or ezModbus have ads?

Neither CS Modbus nor ezModbus shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*