mFlasher vs KIES Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mFlasher
This app offers advanced engine and transmission tuning for enhanced performance and EV range. It provides a streamlined, intuitive ecosystem for optimizing drivability without compromising OEM reliability. Features include in-app purchase and activation for a seamless experience.
- Integrated engine and transmission tuning
- Streamlined purchase and activation
- Stage-free optimization
- In-house custom tuning
- OEM-chosen excellence
- Globally recognized performance
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BMW performance, refined. More power with OEM-like drivability. M-Flasher brings engine and transmission optimization, performance flashing, data logging and diagnostics to your iPhone or iPad. Engineered in-house by MISSION in the USA. ENGINE OPTIMIZATION. NOT STAGES. Choose the calibration that matches your fuel and hardware. On supported vehicles, M-Flasher includes: • 91 and 93 octane calibrations, plus E30 on most applications • Integrated, passive transmission optimization • Selectable high-flow exhaust and downpipe settings • Built-in data logging and fault-code reading Instead of purchasing separate Stage 1, Stage 2 or OTS+ map packs, select from the included options for your supported configuration as your setup evolves. ONE PLATFORM. ONE ENGINEERING TEAM. Purchase, activate and flash directly through M-Flasher. No separate checkout website, license keys or manual activation codes. For specialized setups, work directly with a MISSION engineer on custom tuning. Logs, calibrations and revisions are exchanged through the same app. EXPLORE BEFORE YOU BUY. Download M-Flasher, create an account and explore Simulation Mode before purchasing. Available for supported BMW, MINI, Toyota GR Supra and Rolls-Royce vehicles. REQUIREMENTS Unlocked DME: An unlocked DME is required to use M-Flasher. DMEs can be unlocked quickly and easily at home, anywhere in the world using MISSION’s M-Link (also compatible with other platforms such as BM3, MHD, MGFlasher, Bootmod). Alternatively, customers may choose to source their own unlock or mail their DME to an unlock service, though these methods may involve additional time and effort. Vehicle connection requires compatible wired or wireless ENET hardware. Performance software and custom tuning require purchase. Features and calibrations vary by vehicle and configuration. MISSION. No Compromises.
KIES Tuner
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KIES: Drive Optimized Unlock the full potential of your vehicle with the KIES app, your premier solution for advanced vehicle performance tuning. Designed with the enthusiast in mind, KIES bridges your connection to all KIES tuning devices, delivering an unparalleled driving experience. Features: Dual Device Integration: Connect seamlessly to the accelerator tuning and the engine power tuning. Manage and monitor both devices through a single intuitive interface. Real-Time Adjustments: Make real-time modifications to your vehicle's response and power settings, and experience the changes instantly. Adjust driving modes on the go to suit different terrains and driving conditions. Customizable Profiles: Create and save multiple profiles with different settings for various driving styles, from eco-friendly to sport modes. Switch effortlessly according to your needs or road conditions. User-Friendly Interface: With a focus on user experience, the KIES app features a clean, intuitive layout that makes vehicle tuning accessible to everyone, regardless of technical expertise. Secure Connection: Employing advanced encryption, KIES ensures that your connection and data remain secure at all times, protecting your vehicle's integrity and personal information. Regular Updates: Stay ahead with regular app updates that enhance functionalities and expand compatibility with newer vehicle models and smartphone updates. Why KIES? Whether you're looking to enhance everyday driving efficiency or maximize performance for competitive racing, KIES provides all the tools you need in one package. Our technology is backed by years of automotive expertise and a commitment to quality that ensures your vehicle performs at its best under all conditions. Join thousands of satisfied drivers who have taken control of their driving experience. Download KIES today and transform your vehicle with the touch of a button.
Screenshots
Verdict
The clearest difference is update cadence: mFlasher at monthly against KIES Tuner's every 6 months. KIES Tuner's advantage is iOS requirement (15.2 vs 18.6). On price, ads, in-app purchases and device support 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.
mFlasher ships an update monthly, KIES Tuner every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | mFlasher | KIES Tuner |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.6 | 15.2 — better |
| Further details — not scored | ||
| Size | 69 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Mission Performance, LLC | Kies Motorsports, LLC |
In-app purchases
mFlasher
No in-app purchases
KIES Tuner
No in-app purchases









