# GT Install vs eEIR

The clearest difference is iOS requirement: GT Install at 9.0 against eEIR's 15.6. On price, update cadence, ads 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GT Install | eEIR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 10 MB | 75 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Globe Tracker ApS](https://appshunter.io/developer/1289783441) | [A.P. MOLLER - MAERSK](https://appshunter.io/developer/672653767) |

## What reviewers say

### GT Install

[App page](https://appshunter.io/ios/app/gt-install/id1299883048)

**Features:** macOS Compatibility

**In-app purchases:** none


### eEIR

[App page](https://appshunter.io/ios/app/eeir/id1491184196)

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

**In-app purchases:** none


## Frequently asked questions

### Is GT Install free?

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

### Is eEIR free?

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

### Do GT Install or eEIR have ads?

Neither GT Install nor eEIR shows ads.

### Which is updated more often, GT Install or eEIR?

GT Install ships an update every 3 weeks, and eEIR every 3 weeks. Most recently, GT Install was updated on October 9, 2026 and eEIR on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*