# Gree vs Justus

The clearest difference is device support: Gree at 2 against Justus's —. Justus's advantage is iOS requirement (12.0 vs 15.0). On price 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.

## The numbers

| Metric | Gree | Justus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/gree-strefa-instalatora/id1518977202/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 90 MB | 43 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Free Polska Sp. z o.o.](https://appshunter.io/developer/1518977204) | [Omtech Sp. z o.o.](https://appshunter.io/developer/1223438523) |

## What reviewers say

### Gree

[App page](https://appshunter.io/ios/app/gree-strefa-instalatora/id1518977202)

This mobile tool simplifies the work of air conditioning installers and service technicians. It helps manage client data, track installations, schedule maintenance, and access technical documentation. The app also facilitates warranty claims and training registrations.

**Highlights:** Client and installation data management, Barcode scanning for devices, Warranty service planner, Access to technical documentation, Extend authorization certificate, Submit training applications, Streamlined warranty claims

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

**In-app purchases:** none


### Justus

[App page](https://appshunter.io/ios/app/justus/id1553039042)

**In-app purchases:** none


## Frequently asked questions

### Is Gree free?

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

### Is Justus free?

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

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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.*