# GT Max vs ABS Install

The clearest difference is update cadence: ABS Install at every 5 weeks against GT Max's every 10 months. 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.

GT Max ships an update every 10 months, ABS Install every 5 weeks. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GT Max | ABS Install |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 38 MB | 34 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MACNIL Gruppo ZUCCHETTI](https://appshunter.io/developer/975483908) | [Johnson Controls Products Italia Srl](https://appshunter.io/developer/1129851458) |

## What reviewers say

### GT Max

[App page](https://appshunter.io/ios/app/gt-max/id6736903082)

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

**In-app purchases:** none


### ABS Install

[App page](https://appshunter.io/ios/app/abs-install/id6743710267)

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

**In-app purchases:** none


## Frequently asked questions

### Is GT Max free?

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

### Is ABS Install free?

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

### Do GT Max or ABS Install have ads?

Neither GT Max nor ABS Install shows ads.

### Which is updated more often, GT Max or ABS Install?

GT Max ships an update every 10 months, and ABS Install every 5 weeks. Most recently, GT Max was updated on October 3, 2026 and ABS Install on October 1, 2026.

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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.*