Key Difference: Even though Ad and Add look and sound very similar, in fact, they are almost exactly the same, in reality though they are two completely different words with completely different meanings. Ad refers to advertisement, a type of marketing technique whereas add refers to addition, i.e. adding things together.

It often happens that one comes across two words that are very similar to each other, such as Ad and Add. The only difference between the two words is of a single letter, an extra d. However, as is often the case, these types of words often have completely different meanings from each other. It is the same with these two words. Even though Ad and Add look and sound very similar, in fact, they are almost exactly the same, in reality though they are two completely different words with completely different meanings.

Ad is short for advertisement. An advertisement is a type of marketing in which a brand tries to connect with the audience in order to promote the brand or its product. There are many difference types of advertisements, such as video, audio or photos. Advertisements are often utilized through various mediums such as traditional media, which includes newspapers, magazines, television, radio, outdoor advertising or direct mail; Change in content creation and how led advertisements to evolve and change to include new media such as search results, blogs, social media, websites or text messages.