# SHADOW E vs Gt

The clearest difference is update cadence: Gt at weekly against SHADOW E's every 3 weeks. SHADOW E's advantage is iOS requirement (13.0 vs 17.4). 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.

SHADOW E ships an update every 3 weeks, Gt weekly. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SHADOW E | Gt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 13 MB | 55 MB |
| Requires iOS | **13.0** | 17.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Auto jaw co ltd](https://appshunter.io/developer/1330689436) | [Athanasios Farmakis](https://appshunter.io/developer/1711239231) |

## What reviewers say

### SHADOW E

[App page](https://appshunter.io/ios/app/shadow-e-valve-2/id1595030903)

**In-app purchases:** none


### Gt

[App page](https://appshunter.io/ios/app/gt-flasher/id6469004059)

This application enables users to log and configure modern engine and gearbox management systems. It utilizes the UDS protocol over OBD II with open-source OBD BLE devices. The app supports programming recovery for most platforms if a configuration procedure is interrupted.

**Highlights:** Log engine management systems, Configure gearbox management systems, UDS protocol support, OBD II connectivity, Open source OBD BLE device compatibility, Programming recovery feature

**In-app purchases:** none


## Frequently asked questions

### Is SHADOW E free?

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

### Is Gt free?

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

### Do SHADOW E or Gt have ads?

Neither SHADOW E nor Gt shows ads.

### Which is updated more often, SHADOW E or Gt?

SHADOW E ships an update every 3 weeks, and Gt weekly. Most recently, SHADOW E was updated on September 29, 2026 and Gt on October 6, 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.*