Now Available for iOS

The power of a GT6 tuning spreadsheet in the palm of your hand! Tunismo is a handling and gearing calculator developed specifically for Gran Turismo® 6. It is the only app licensed to use the popular GT6 Quicktune formulas created by GTPlanet member oppositelock.

Proven Formulas

Tunismo uses community-tested formulas developed by GTPlanet member oppositelock.

Read More


We keep all the complicated parts behind the scenes. Build your own tune with a few clicks.

Read More

Power in the Palm of Your Hand

You can download and start tuning without the hassle of laptops or desktops.

Read More