# ECS App vs GTE Installer

The clearest difference is ads: GTE Installer at none against ECS App's shown. GTE Installer also leads on update cadence (every 2 months vs every 31 months). ECS App's advantage is iOS requirement (13.0 vs 15.6). On price, 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.

ECS App ships an update every 31 months, GTE Installer every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ECS App | GTE Installer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 31 months | **Every 2 months** |
| Size | 25 MB | 23 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electrification Construction Services LTD](https://appshunter.io/developer/1562843712) | [Global Telemetrics Limited](https://appshunter.io/developer/631363823) |

## What reviewers say

### ECS App

[App page](https://appshunter.io/ios/app/ecs-app/id1562843710)

**Features:** macOS Compatibility

**In-app purchases:** none


### GTE Installer

[App page](https://appshunter.io/ios/app/gte-installer/id1565136312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECS App free?

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

### Is GTE Installer free?

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

### Do ECS App or GTE Installer have ads?

ECS App shows ads; GTE Installer does not.

### Which is updated more often, ECS App or GTE Installer?

ECS App ships an update every 31 months, and GTE Installer every 2 months. Most recently, ECS App was updated on October 7, 2026 and GTE Installer on October 9, 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.*