V.DialogueF1 vs Gt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
V.DialogueF1
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.
- 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
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V.DialogueF1是以勤科技研發的一款基於IOS操作系統配套進行車輛診斷的新型實用工具，與智能手機採用藍牙方式連接通訊，支持車輛OBDII//EOBD協議，數據通過手機客戶端軟體讀取。 --功能-- (1)自定義控制閥門模式(參數可自定義)。 (2)顯示車身碼、廠牌。 (2)檢測車輛問題並顯示對應的故障碼。 (3)即時顯示車輛動態數據。 (4)競速模式(0-100公里、0-400公尺)。 (5)計算車輛行駛於高海拔、低海拔、一般道路、塞車路段及雨天路段時所產生的油耗比。 (9)流暢人性化的UI介面。 *本軟體必須搭配 由I.C.M開發製造的V.Dialogue BLE硬體才能操作其完整功能*
Gt
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.
- 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
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Application that allows users log and configure modern Engine and Gearbox management systems using the UDS protocol over OBD II using various open source OBD BLE devices. Our application supports programming recovery on most supported platforms if the configuration procedure is interrupted. You can restart the procedure if the previous attempt has failed.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | V.DialogueF1 | Gt |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.3 — better | 17.4 |
| Further details — not scored | ||
| Size | 64 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | I-CHIN MOTOR TECHNOLOGY Co.,Ltd | Athanasios Farmakis |
Customer experience
V.DialogueF1
Gt
In-app purchases
V.DialogueF1
No in-app purchases
Gt
No in-app purchases
