Öffi vs GDI
A side-by-side look at Öffi and GDI. For an in-depth review of either product, follow the links below.
Öffi
Travel & Location
Öffi is a free and open-source public transport app for Android and iOS. It allows users to search for routes, see departure times, and navigate using public transportation in cities around the world.
transporttransitschedulesnavigation
GDI
System & Hardware
GDI (Graphics Device Interface) is a core Windows component that enables applications to use graphics and formatted text on video displays. It provides device-independent graphics rendering services for Windows-based applications.
graphicswindowsdevice-interface