# CompactiMa EC pH Calibration vs Modbus TCP Tools

The clearest difference is in-app purchases: CompactiMa EC pH Calibration at none against Modbus TCP Tools's 1. CompactiMa EC pH Calibration also leads on iOS requirement (9.3 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Modbus TCP Tools sells 1 one-off in-app purchase. CompactiMa EC pH Calibration asks for nothing beyond the download.

## The numbers

| Metric | CompactiMa EC pH Calibration | Modbus TCP Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 28 MB | 31 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ridder Growing Solutions Holding B.V.](https://appshunter.io/developer/917679493) | [BITAJON SYSTEMS LTDA](https://appshunter.io/developer/1896653646) |

## What reviewers say

### CompactiMa EC pH Calibration

[App page](https://appshunter.io/ios/app/compactima-ec-ph-calibration/id1192664337)

**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 CompactiMa EC pH Calibration free?

CompactiMa EC pH Calibration 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 CompactiMa EC pH Calibration or Modbus TCP Tools have ads?

Neither CompactiMa EC pH Calibration 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.*