A new and improved version of our app is coming soon, with a target release date of march 2025. We've taken your feedback to heart and made a number of exciting changes that we think you'll love.
All calculated values and settings are automatically saved as you use the app. Your data persists between sessions, allowing you to continue where you left off when reopening the app.
Language of 38 different languages
Light and Dark Theme
WebApp PWA version released April 2025. iOS and Android version i may 2025.
Fixed bugs
Bug fixes and more ...
Language translation of the app to Portuguese, Spanish, German, Finnish. We will start with a few languages and add more as we go.
OEM Turbo-database OEM turbo register
An account with profile, that enables users to save calculations and info in the app.
BSFC calculation
Stroke length calculation
Bore Size calculation
Bore distance calculation
Bugfix for pressure calculation at "Airflow with HP" page.
Compression ratio calculations
Turbo company register (turbo makers, repair workshops, etc)
Turbo Wiki
Articles
Measurement tool with camera support
Save your results for future use (with account functionality)
Share your results on the social media of your choice.
How to size a turbo with step-list and calculations
Bug fixes
Holset turbocharger compressor maps
Turbo database with details page and more compressor maps.
Settings page for psi/bar and inch/mm
Torque calculations
Inch/psi and mm/bar settings on compressor, turbine and A/R screen
News screen (this page)
Airflow Conversion between CFM, lbs/min, m^3/s, m^3/min.
Updated Airflow conversion with HP.
Changed colors scheme for the input/output section on each screen.
First release of the app came out september 22'nd 2019 on Android and a few days later on the iOS.