# TERRA Opis

> TERRA Opis (iPhone/iPad app by Terra Water Systems Limited.)

- Source: https://appshunter.io/ios/app/terra-opis/id1449885605 (this page in markdown: same URL + `.md`)
- Developer: [Terra Water Systems Limited](https://appshunter.io/developer/1449885604)
- Category: Business, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 17 MB
- Languages: American English
- Released: 2019-02-27
- Data updated: 2026-01-25
- User reviews in markdown: https://appshunter.io/ios/app/terra-opis/id1449885605/reviews.md

## What is TERRA Opis?

The Terra NutriTECH app works in conjunction with the OPIS controller.

The TERRA NutriTECH OPIS Controller is specially designed to automatically overcome variations in water consumption, ensuring that the animal recieves the correct dose of magnesium and minerals, all year round.
The OPIS Controller eliminates wastage and ensures accurate mineral delivery at all times reducing costs and safeguarding animal health.
An easy to use app to input animal numbers and dosage rates
Automated injection of supplements into the water line
- The OPIS Controller checks water intake and adjusts rate to ensure automatic accurate daily delivery of supplements into the water
- The OPIS Controller allows for customisation with up to 6 blends per farm.
- The OPIS Controller's technology will track supplement usage and residual stock levels on farm. The software dashboard can create aggregated reports by region and route allowing for logistics and production planning for partners.
Alarm functionality – farm will receive alert and alarms for exceptional incidents such as leaks, no water flow, power cut.


## Version history (last 5 releases)

### 1.992 — 2024-04-18

Bug fixes

### 1.98 — 2024-02-26

added Login via Google

### 1.93 — 2022-07-26

Fixed an issue where some UI was not showing.

### 1.92 — 2021-07-09

- minor UI changes

### 1.9 — 2021-06-29

- Minor UI changes

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## More apps by Terra Water Systems Limited

- [TERRA Orb Vie](https://appshunter.io/ios/app/terra-orb-vie/id1567876124)
- [Terra Mixer](https://appshunter.io/ios/app/terra-mixer/id6505114263)

All apps by Terra Water Systems Limited: https://appshunter.io/developer/1449885604

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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 2026-01-25.*