# CS Modbus vs Fernhill SCADA

The clearest difference is rating: Fernhill SCADA at 4.0 against CS Modbus's 1.0. CS Modbus's advantage is iOS requirement (7.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fernhill SCADA holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | CS Modbus | Fernhill SCADA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/cs-modbus/id979933120/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/fernhill-scada/id1510990635/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free | Free |
| Size | 1 MB | 7 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [SikYi Chan](https://appshunter.io/developer/967732681) | [Fernhill Software Ltd](https://appshunter.io/developer/1510990634) |

## 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


### Fernhill SCADA

[App page](https://appshunter.io/ios/app/fernhill-scada/id1510990635)

Access and control industrial systems remotely. View real-time plant states, issue commands, and monitor historical data through graphic pages, trends, and alarm lists. Provides a time-stamped audit trail of events and custom data queries for comprehensive system oversight.

**Highlights:** Remote SCADA server access, Graphic page display and control, Historical tag value trends, Alarm and event list monitoring, Custom data list queries, Remote alarm acknowledgment

**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 Fernhill SCADA free?

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

### Which has better reviews, CS Modbus or Fernhill SCADA?

Fernhill SCADA is rated higher. CS Modbus averages 1.0 out of 5 from 2 ratings, while Fernhill SCADA averages 4.0 from 1 ratings.

### Do CS Modbus or Fernhill SCADA have ads?

Neither CS Modbus nor Fernhill SCADA shows ads.

---

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