GT7 Tuning Calculator has evolved into a new web based application. GT Pro Tune aims to take the same functionality and make it more accessible to more racers. Any device with a browser can use the new application. GT Pro Tune provides an easy to use interface for tuning any car in Gran Turismo 7.
If you previously purchased GT Tuning Calculator, you are automatically eligible for a 50% discount on a 1-year subscription of GT Pro Tune. Simply sign up for the new app using the same email address that you used when you purchased the speadsheet. The discount will be applied at checkout.