# V.DialogueF1 vs Gt

The clearest difference is update cadence: Gt at every 2 weeks against V.DialogueF1's monthly. V.DialogueF1's advantage is iOS requirement (9.3 vs 17.4). On price, review sentiment, 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.

V.DialogueF1 ships an update monthly, Gt every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | V.DialogueF1 | Gt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vdialoguef1/id1232109400/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 64 MB | 55 MB |
| Requires iOS | **9.3** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [I-CHIN MOTOR TECHNOLOGY Co.,Ltd](https://appshunter.io/developer/1232109399) | [Athanasios Farmakis](https://appshunter.io/developer/1711239231) |

## What reviewers say

### V.DialogueF1

[App page](https://appshunter.io/ios/app/vdialoguef1/id1232109400)

This utility app connects to your vehicle via Bluetooth to read OBDII/EOBD data. It diagnoses issues, displays real-time vehicle data, and offers performance metrics like 0-100 km/h times and fuel consumption calculations.

**Highlights:** Vehicle diagnostics and fault code display, Real-time vehicle data monitoring, Customizable valve control, 0-100 km/h and 0-400m speed tests, Fuel consumption analysis, User-friendly UI

**Features:** macOS Compatibility

**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 if configuration procedures are interrupted.

**Highlights:** Log engine and gearbox management systems, Configure engine and gearbox management systems, Supports UDS protocol over OBD II, Utilizes open-source OBD BLE devices, Programming recovery for interrupted procedures, Restart failed configuration attempts

**In-app purchases:** none


## Frequently asked questions

### Is V.DialogueF1 free?

V.DialogueF1 is free to download, with no in-app purchases.

### Is Gt free?

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

### Do V.DialogueF1 or Gt have ads?

Neither V.DialogueF1 nor Gt shows ads.

### Which is updated more often, V.DialogueF1 or Gt?

V.DialogueF1 ships an update monthly, and Gt every 2 weeks. Most recently, V.DialogueF1 was updated on November 2, 2026 and Gt on November 3, 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.*