# Gt vs DFlasher

The clearest difference is iOS requirement: DFlasher at 15.4 against Gt's 17.4. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gt ships an update weekly, DFlasher every 2 weeks. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Gt | DFlasher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (16 ratings)](https://appshunter.io/ios/app/dflasher/id6746166662/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 55 MB | 48 MB |
| Requires iOS | 17.4 | **15.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Athanasios Farmakis](https://appshunter.io/developer/1711239231) | [2859910 ONTARIO INC](https://appshunter.io/developer/1815545535) |

## What reviewers say

### 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


### DFlasher

[App page](https://appshunter.io/ios/app/dflasher/id6746166662)

This app offers specialized mobile tools for tuning, diagnostics, and chip tuning of BMW M57 diesel engines. It provides professional-grade ECU flashing, fault code reading, and real-time engine data for performance optimization and maintenance.

**Highlights:** M57 ECU tuning and flashing, Read and clear DTCs, Real-time ECU information, Custom performance maps, Factory reset and stock recovery, Mobile-first design

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

**In-app purchases:** none


## Frequently asked questions

### Is Gt free?

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

### Is DFlasher free?

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

### Do Gt or DFlasher have ads?

Neither Gt nor DFlasher shows ads.

### Which is updated more often, Gt or DFlasher?

Gt ships an update weekly, and DFlasher every 2 weeks. Most recently, Gt was updated on September 19, 2026 and DFlasher on September 14, 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.*