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Last updated on: 2026-06-10
Android Apps > Tools > Simos Tools
Simos Tools icon

Simos Tools

2.09
Switchleg Developments
4.95
39 reviews
5,000+
Downloads
Free

Used to log and flash Simos ECU by VW/Audi

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About Simos Tools

Simos Tools is a tools app developed by Switchleg Developments.

Download Statistics

Simos Tools has been downloaded 5.6 thousand times. In the last 30 days, the app was downloaded 250 times.

User Ratings

Simos Tools is rated 4.95 out of 5 stars. The rating is based on 39 ratings.

App Information

Simos Tools is FREE to download. The APK download size is 18.59 MB. The latest version available is 2.09. The last update was on May 31, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play January 2022.

Description
Used to log a configurable set of PIDS in mode 22 or 3E to assist in ECU flash tuning using the popular Macchina A0 (or DIY clone) and our free firmware:
https://github.com/Switchleg1/esp32-isotp-ble-bridge.

Find us on Facebook:
https://m.facebook.com/groups/926154161803291/

Additional features:
-Long click on any active gauge will reset min/max values on all gauges.

-Long click on "Quick View" will load into a full screen mode displaying the first 8 gauges on the current tab.

-Gauge styles can be set individually using the tab field.
Examples include:
||
Default|ROUND|0 - this will force this PID to display as a round gauge on the default tab and place it in the top left corner of the tab.
Airflow|BAR_H - this will force a horizontal style view on the Airflow tab.

-Logging will take place once all conditions in the logging equation have been met. Example: "c>0|r>1000|d>70" - logging will start if cruise control is enabled, when RPM is above 1000 and when pedal position is above 70%.

Recent changes:
2.09: logviewer/dash bug fixes
2.08: bug on new install fix
2.07: bug fixes
2.06: UI updates
2.05: cleanup and bug fixes
2.04: bug fixes
2.03: bug fixes and wg adapt value routine.
2.02: sets flash file time out to 25seconds.
2.01: minor bug fixes
2.00: adjustable gauge text size slider
1.99: dash updates
1.98: dash updates
1.97: start of dash display
1.96: fixes dsg flash lockout issue
1.95: adds cockpit background url. log viewer corrections. bin loading in separate thread.
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More data about Simos Tools

Price Free to download
Total downloads 5.6 thousand
Recent downloads 250
Rating 4.95 based on 39 ratings
Ranking Not ranked
Version 2.09
APK size 18.6 MB
Number of libraries ?
Suitable for Everyone
Ads NO ads

App Performance Report

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Simos Tools compared with similar apps

Common keywords of similar apps

Bug Fixes Tab Flash Dash Log Logging Updates Simos Set Https Long Click Default Round Force Place Airflow Start Gauge Ecu Mode Gauges View Display

Keywords missing from this app

Data App Fuel Time System Pressure Engine Readings Sensor Car Real Battery Recent Yjack Usb Temperature Digital Control Wireless Features Including Flow Support Vehicle Access Devices Monitor Track Graph Diagnostics Read Application Information Dg Bluetooth Screen Speed Version Systems Usgs Dakota Live Feature Device

More from Switchleg Developments

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Google Play Rating history and histogram

Rating history
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Downloads over time

Downloads over time
Subscribe to see download velocity and history

Simos Tools has been downloaded 5.6 thousand times. Over the past 30 days, it has been downloaded 250 times.

Changelog of Simos Tools

Show changelog

Developer information for Switchleg Developments

Switchleg Developments

switchleg1@gmail.com

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Share Simos Tools

Comments on Simos Tools for Android

★★★★★ Reza · Sep 21, 2022
Outstanding apps for MQB. Support high speed logging, flash, and intuitive user interface. Kudos to developer!!
★★★★★ Matthew Larson · Aug 31, 2022
Ditch your current tuning platform and move over to Simos Tools and Open Source tuning. Data logging and flashing are incredibly fast with Simos Tools! The competition has some catching up to do!
★☆☆☆☆ ahmad gaylani · Feb 18, 2025
It doesn't connect it says time out error 19
★☆☆☆☆ Kenyon Edmond · Oct 5, 2024
Most recent update shows connected to device but won't show any data or allow any actions. Worked perfect previously

Google Play Rankings for Simos Tools

This app is not ranked

Technologies used by Simos Tools

15 permissions
Subscribe to see full permission and library details
TEC Gauge icon TEC Gauge
Hondata icon Hondata
MSDroid icon MSDroid
ProMasters Only icon ProMasters Only
gaugeART CAN Gauge Programmer icon gaugeART CAN Gauge Programmer
DriverConnect icon DriverConnect
Flow Alert! icon Flow Alert!
Dakota Digital icon Dakota Digital

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