FLASHEX vs ByteFlasher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FLASHEX
Customize your BMW's firmware with various options, including engine and transmission tuning. Monitor vehicle parameters, read diagnostic trouble codes, and flash pre-defined maps via OBD or WiFi. Supports a wide range of BMW models.
- Customizable firmware options
- Engine and transmission ECU re-flashing
- Real-time vehicle parameter monitoring
- DTC code reading
- OBD and WiFi flashing
- Datalogging capabilities
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FLASHEX is a complete tuning solution for your BMW vehicle. FLASHEX is a tool where you can configure a firmware of your vehicle with different nice options on your own. You can fully customize your vehicle as you wish. Connect your Apple iPhone or iPad tou your car and flash pre-defined OTS maps. Flashing is available over OBD using ENET or WiFi. Also you can monitor your vehicle's parameters, save it as datalogs for further investigation the behaviour of your vehicle, as well as reading vehicle DTC codes. You can configure next options: - Coolant target(well known "cold thermostat") - Overheating thresholds - Burbles(separatelly confort/sport mode) - Catalyst monitoring - Catalyst heating - Disable catalic-coated radiator sensor - Exhaust-flaps always open in sport mode - Startup roar - Configure speed limit - Etc. Also you can re-flash your auto-tranmission ECU. - Stage3 level - Gear Display in D-mode - Increased transmission Torque Limiter - Improved shifting in Comfort/Sport - Significantly improved shifting in Sport+ - Maximum performance in DTC and DSC OFF modes - No automatic upshift in M/Sport and M/Sport+ - Extended Launch Control torque limits - Ignition Cut-Off 3500rpm/200Nm - Etc. Supported vehicles: 1'F20/F21 2'F22/F23/G42 3'F30/F31/F34/F35/G20/G21/G28 4'F32/F33/F36/G22/G23/G26 5'F10/F11/F07/F18/G30/G31/G38 6'F06/F12/F13/G32 7'F01/F02/F03/G11/G12 8'G14/G15/G16 X3'F25/G01/G08 X4'F26/G02 X5'F15/G05/G18 X6'F16/G06 X7'G07 Z4'G29 Supra'J29 This list is approximate, on some markets date can differ. To be sure that your vehicle is support, pls connect FLASHEX app to your vehicle, and it will automatically identify if your vehicle supported or not. X-Drive is supported on all cars All performance power kit cars are supported. Disclaimer: For off-road use only.
ByteFlasher
Unlock your vehicle's performance potential with this mobile tuning solution. Optimize horsepower, torque, and fuel efficiency wirelessly. Diagnose and clear engine trouble codes with ease.
- Stage 1 & Stage 2 Performance Tunes
- Advanced Customization Options
- Unlimited Tune Adjustments
- Wireless OBD2 Connectivity
- Read & Clear DTCs
- Data-Driven Performance Tuning
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ByteFlasher – Unlock Your DME’s True Potential! Performance Tuning Made Simple ByteFlasher is the ultimate mobile tuning solution for bimmer enthusiasts. Using our intuitive app and wireless OBD2 adapter, you can unleash hidden horsepower, enhance torque, and optimize fuel efficiency—all from your smartphone! Features & Capabilities - Stage 1 & Stage 2 Performance Tunes – Maximize your car’s power and response - Advanced Customization – Adjust engine speed, throttle response, burble tuning, launch control & more - Unlimited Tune Adjustments – Modify your tune as many times as you want without extra costs - Seamless Wireless Connectivity – No need for a laptop or cables - Read & Clear DTCs – Diagnose and reset engine trouble codes instantly - Data-Driven Performance – Our performance tunes are backed by meticulous testing - Security & Reliability – Industry-leading safety protocols for worry-free tuning - Designed in the USA – Engineered with quality and performance in mind How It Works 1. Purchase the ByteFlasher Wireless Adapter from our store (required for app functionality) 2. Plug the adapter into your cars’s OBD2 port 3. Connect your smartphone via WiFi 4. Choose your tune & customize settings 5. Flash your DME in minutes and experience the difference! Designed for Bimmer Enthusiasts ByteFlasher supports a range of classic bimmer vehicles including the E46 M3. More models coming soon! Important Note The ByteFlasher app is free to download, but it requires the purchase of the ByteFlasher wireless adapter for full functionality. Without the adapter, the app will not be able to connect to your vehicle. For more information, visit our website at byteflasher.com. Get Started Today! Transform your driving experience with ByteFlasher—the fastest, easiest way to tune your DME. Download now!
Screenshots
Verdict
The clearest difference is rating: ByteFlasher at 5.0 against FLASHEX's 3.0. On price, ratings volume, update cadence and ads 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.
ByteFlasher holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
FLASHEX ships an update fortnightly, ByteFlasher monthly. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.
| Parameter | FLASHEX | ByteFlasher |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 108 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Ryzhov | Renovelo LLC |
Customer experience
FLASHEX
ByteFlasher
In-app purchases
FLASHEX
No in-app purchases
ByteFlasher
No in-app purchases









