V.DialogueF1 vs MG Flasher
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*
MG Flasher
This app allows for advanced ECU tuning and feature unlocking for specific BMW and Supra engines via OBD and Wi-Fi. It offers on-the-fly map switching, custom options, flex fuel integration, and diagnostic capabilities for enhanced vehicle performance. Designed for off-road use only.
- Custom performance modifications
- Switchable maps on-the-fly
- Dynamic exhaust burble control
- Flex fuel integration
- Torque limiter adjustment
- Speed limit removal
- Diagnostic DTC reading/clearing
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MG Flasher is a mobile tuning App designed for BMW/Supra vehicles equipped with B48, B58, S58, N63, S63, and N74 engines. Flashing is done by OBD using ENET Wi-Fi. Flashing time on ENET is only 15 - 20 seconds! Disclaimer: For off-road use only. *Initial flash/ECU unlock with ENET Wifi will take approximately 4 - 6 minutes. Flashing your BMW with MG Flasher unlocks many features: • Custom Options - pick and choose performance mods, exhaust, cooling, torque options, as well as custom code options + more. • Switchable Maps On-The-Fly - WORLD'S FIRST SOLUTION FOR BMW B58/B48 - through a simple combination of cruise control buttons you can quickly select between mapping, without the need to reflash the vehicle! Currently available for gen 1 and 2 B48,B58 and S58. • Dynamic Exhaust Burble On-The-Fly - via a simple combination of cruise control buttons you can change the intensity of the burbles whenever you like! Currently available for gen 1 and 2 B48,B58 and S58. • Flex Fuel - Automatically adjusts engine calibration to any ethanol blend, with smart blending logic for smooth power delivery and full integration with sensor or manual override control. Live ethanol display, cruise-control adjustability, and instant cluster feedback. • Max Cooling On-The-Fly - With a simple cruise control button combination sequence, you can enable the option without reflashing the car! Currently available for gen 1 and 2 B48,B58 and S58. • Torque Limit Adjustability - TCU 8HP Limiter Lifted for all platforms! Software calibration without the need for any transmission tuning or skewing the torque/load calculation model maps. This allows for accurate calculations, smooth shifting and no software trickery. • Speed Limit Removal, Startup Roar, Torque by Gear Limiter available on select software • Sport Gauges (HP and TQ) adjustable by user! • OTS maps prepared by MG Flasher tuners • Custom maps flashing – flash custom maps prepared by us or other tuners/users • Logger - log real time data and plot it into graphs for troubleshooting and optimizing • Cloud Log Viewer - Professional log viewing on logs.mgflasher.com • Diagnostic - Read and clear BMW specific DTC's • Reset various adaptations, restore coding • CVN number (Checksum Verification Number) along with flashing counter stays untouched. This means our software will be virtually invisible to dealer level diagnostic tools Supported vehicles: BMW M140i/120i/125i/M135i F20/F21/F40 BMW M240i/220i/225i/230i/228i/M235i - F22/F23/F44 BMW M340i/318i/320i/330i/330e - F30/F31/F34/G20/G21/G28 BMW M3 - G80 BMW M440i/420i/430i - F32/F33/F36/G22 BMW M4 - G82 BMW 540i/520i/530i/530e - G30/G31/G38 BMW M550i G30 BMW M5 LCI - F90 BMW 640i/630i - G32 BMW 740i/740Li/730i/730Li/740e/740Le - G11/G12 BMW 840i, M850i - G14/G15/G16 BMW M8 - F91, F92, F93 BMW X1 20i/25i/28i -F48 BMW X2 20i/25i/28i/M35i - F39 BMW X3 M40i/20i/30i - G01 BMW X4 M40i/20i/30i - G02 BMW X3M/X4M - F97/F98 BMW X5 40i,50i - G05 BMW X6 40i - G06 BMW X5M/X6M - F95/F96
Screenshots
Verdict
The clearest difference is rating: V.DialogueF1 at 5.0 against MG Flasher's 4.5. V.DialogueF1 also leads on review sentiment (100% vs 71%) and iOS requirement (9.3 vs 15.4). MG Flasher's advantage is ratings volume (89 vs 1) and update cadence (every 9 days vs monthly). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MG Flasher has 89 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of V.DialogueF1's written reviews are positive against 71% of MG Flasher's.
V.DialogueF1 ships an update monthly, MG Flasher every 9 days. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.
| Parameter | V.DialogueF1 | MG Flasher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (89 ratings) |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 1 | 89 — better |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 15.4 |
| Further details — not scored | ||
| Size | 64 MB | 362 MB |
| Age rating | 4+ | 4+ |
| Developer | I-CHIN MOTOR TECHNOLOGY Co.,Ltd | JR Auto Performance Inc. |
Customer experience
V.DialogueF1
MG Flasher
In-app purchases
V.DialogueF1
No in-app purchases
MG Flasher
No in-app purchases
