# CompactiMa EC pH Calibration vs GroSens Handheld

The clearest difference is iOS requirement: CompactiMa EC pH Calibration at 9.3 against GroSens Handheld's 16.2. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | CompactiMa EC pH Calibration | GroSens Handheld |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 28 MB | 37 MB |
| Requires iOS | **9.3** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ridder Growing Solutions Holding B.V.](https://appshunter.io/developer/917679493) | [Rockwool International A/S](https://appshunter.io/developer/560117967) |

## 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


### GroSens Handheld

[App page](https://appshunter.io/ios/app/grosens-handheld/id1493961433)

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

**In-app purchases:** none


## Frequently asked questions

### Is CompactiMa EC pH Calibration free?

CompactiMa EC pH Calibration is free to download, with no in-app purchases.

### Is GroSens Handheld free?

GroSens Handheld is free to download, with no in-app purchases.

### Do CompactiMa EC pH Calibration or GroSens Handheld have ads?

Neither CompactiMa EC pH Calibration nor GroSens Handheld 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.*