# GroSens Companion

> GroSens Companion (iPhone/iPad app by Rockwool International A/S.)

- Source: https://appshunter.io/ios/app/grosens-companion/id1448697656 (this page in markdown: same URL + `.md`)
- Developer: [Rockwool International A/S](https://appshunter.io/developer/560117967)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.2 · 39 MB
- Languages: English
- Released: 2020-06-10
- Data updated: 2026-07-23
- User reviews in markdown: https://appshunter.io/ios/app/grosens-companion/id1448697656/reviews.md

## What is GroSens Companion?

GroSens Companion is a mobile app that provides access to your GroSens system, whenever you want and wherever you may be. It is accessible from every possible device, desktop, smartphone or tablet.
The GroSens Companion app provides insights into substrate water content, EC and temperature.


## Version history (last 5 releases)

### 2.5.5 — 2026-07-21

Includes an updated firmware for Rootzone sensors

### 2.5.4 — 2025-11-25

Font update

### 2.5.3 — 2025-10-22

Add option to calibrate CO2 sensors that support this feature

### 2.5.1 — 2025-07-31

Add option to calibrate CO2 sensors

### 2.4.1 — 2025-03-11

Model update

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| --- | --- | --- | --- |
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| [GHIA KIDS](https://appshunter.io/ios/app/ghia-kids/id1434789680) | — | Free | Utilities |
| [HeatNext](https://appshunter.io/ios/app/heatnext/id1440372440) | — | Free | Utilities |

## More apps by Rockwool International A/S

- [GroSens Smartbox](https://appshunter.io/ios/app/grosens-smartbox/id1139154790)
- [Parafon® Sound Calculator](https://appshunter.io/ios/app/parafon-sound-calculator/id1218953329)
- [GroSens Handheld](https://appshunter.io/ios/app/grosens-handheld/id1493961433)
- [e-Gro](https://appshunter.io/ios/app/e-gro/id6476660626)

All apps by Rockwool International A/S: https://appshunter.io/developer/560117967

## Related topics

[egrow](https://appshunter.io/ios/topics/egrow)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-23.*