Typography plays a crucial role in design and finding the right font can take a few minutes or a few days. According to Vijay Verma, every font has specific design intent, communicates certain attributes. Fortunately, there are many (free) online libraries to help you these days, such as Google Fonts, MyFonts, Lineto, TypeAtelier, or TypeMates.
Geometric fonts
Geometric fonts are sans-serif typefaces building on geometric shapes like near-perfect circles and squares.

Today many technology brands currently deploy geometric fonts that represent minimalism, simplicity, and cleanliness, like — Product Sans by Google, Cereal by Airbnb etc.
Vijay Verma (via)
Design experts argue (here, here) that the geometric fonts below will work very well in modern user interfaces. These fonts are used among others by IKEA, Spotify, NASA, AirBnB, Volkswagen, Apple, Marvel, and Snapchat. Can you guess which is which?
You can click the images to visit the source pages.
Futura

Gilroy

Brown

Circular

Gordita

Cera PRO

Sailec

Avenir Next

GT Walsheim

TT Commons

Free Geometric Fonts
Although very aesthetically pleasing, some of these fonts can be pretty expensive if you’re just hobbying. While there are many more fonts out there that may be perfectly free.
Do have a look at Google Fonts, as they provide nearly a 1000 pretty interesting typefaces, all for free!
Moreover, if you’re specifically looking for a geometric font, have a look at these 18 free geometric typefaces!
