Fruitger Aero is a tech based aesthetic which originated from realistic graphic design present in digital and (occasionally) analog products from the 2003-2013, the former has subtle hints of neo-retrofuturism in the form of glossy icons, soft gradients, and hints of a enviromental ideology and utopian take on the world as it often seen being paired up with grassy plains, bodies of water and the occasional skyscraper, examples can be seen above. On the other hand, skeumorphism is a UI aesthetic implemented around the same time as frutiger aero, it utilises real objects as icons accompanied by prerendered lighting.
Nowadays, fruitger aero and almost all it's subcategories have completely died out in favour of minimalist graphic design, this is because of a wide variety of factors yet some of the greater ones include:
As of now, neumorphism is still on its way on becoming mainstream, it shares many similarities with frutiger aero, such as the rounded corners, transparent elements and depth yet tends to stick to a more cohesive color palette and simpler layouts.