simos.app
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperTycho Sebastian Holzer
CategoryUtilities
PriceFree
Released
Rating★ 0.0 (0)
Version1.9.14
Age rating4+
First seen by us
7 Oct 2026
Installs (est.)100+ worldwide
Rating
0.0 ★
0 ratings
Measured
simos.app on the App Store
App details
App ID
6760018423
Publisher
Holzer Consulting
On the store since
Mar 2026
Under a year
Minimum OS
iOS 17.6+
iPhone XS and later
Devices
iPhone · iPad
Content rating
4+
Languages
1
EN
Size
7 MB
Also listed in
Developer Tools
simos.app downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About simos.app
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.
––
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.
––
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
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.
––
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.
––
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
Latest updates
1.9.14
- Simos 12.1/12.2: auto, full and CAL flashing without unlock
- Simos 8.2, 8.3 and 8.4: return-to-stock flashing
- Fixed missing or empty log CSV when the vehicle name contains a /
1.9.13
- Added HSL logging for 36 more Simos 18 software versions
- Added flash support (ECM3 checksum) for 19 more Simos 12, 18 and 8.5 software versions
1.9.12
- More gearbox detections
- empty/encrypted File safety check
- Update car model detection
- Autoreconnect to last dongle