simos.app is a diagnostic, data logging and flashing tool built specifically
for VAG petrol engines running Simos 18.1, 18.2, 18.6, 18.10 and Simos 12.1
ECUs. The platforms found in most modern TSI and TFSI engines across
Audi, VW, Škoda, SEAT, Cupra and Porsche.
LIVE DATA LOGGING
Read ECU parameters directly in real time. Monitor boost pressure,
injection timing, lambda, temperatures, torque and more at high
sample rates over a Bluetooth LE connection.
ECU IDENTIFICATION
Read software versions, calibration IDs and hardware info straight
from the control unit.
LOG ANALYSIS
Visualize recorded sessions with multi-channel graphs. Spot
correlations between parameters without leaving the app.
FLASHING
Update your ECU and TCU to the latest version for your vehicle or flash a custom tune.
Full features available for Simos 18.1/18.10 and 18.6.
Flashing stock files or pre-unlocked ecus for Simos 18.2, 18.4, 18.41 and Simos 12.1.
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Built for enthusiasts, tuners and workshops who need more than a
generic scan tool. Basic knowledge of ECU diagnostics is recommended.
This app is for informational and diagnostic purposes only. Any
modifications to vehicle systems are the sole responsibility of the
user and must comply with local laws and regulations.
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Bluetooth LE OBD adapter required.
Get yours here: https://simos.app/dongle
Other compatible adapters: Macchina A0, DIY A0 clone https://github.com/Switchleg1/AMAleg require custom firmware: https://simos.app/dongle/firmware
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
- DQ200 MQB (0CW): CAL and full flashing (beta)
- Flashing checks the battery before you pick a file and warns below 12 V
- DQ381 full flash is no longer marked as beta
- New Community tab: forum threads, replies, likes and photos
- Logging: export and import all PIDs as CSV, including address overrides
- PID CSV: CarPlay column picks the CarPlay PIDs; export adds example rows for Mode 22 and HSL PIDs
- New PID: Oil Pump Low (oil pump pressure stage)
- DSG HSL logging now defaults to 10 Hz, up to 20 Hz
Version 1.9.16
The developer, Tycho Sebastian Holzer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Usage Data
Diagnostics
Privacy practices may vary based, for example, on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
