The players

Not an ad company, but its privacy rules on iPhone reshaped mobile advertising, and it sells App Store ads.

Mobile ad giant whose AI engine AXON made it one of the most valuable ad tech companies.

Dutch digital advertising and casual games group, owner of the Improve Digital SSP.

Mobile game ad network and mediation platform, owned by Zynga and therefore Take-Two.

Pre-loads apps on new phones for carriers and runs an in-app ad exchange (formerly Fyber and AdColony).

India's first unicorn: a mobile advertising platform and owner of the Glance lock-screen business.

Mobile app advertising platform (with Vungle) that listed on Nasdaq in June 2026.

Mobile ad network owned by Hong Kong-listed Mobvista, strong with game advertisers.

Hong Kong-listed mobile ad tech group, parent of Mintegral.

Machine-learning mobile DSP for app marketers, also powering retail media for commerce platforms.

Mobile advertising company built around personified, cookie-free targeting.

Mobile in-app ad exchange owned by Verve Group.

Game-engine maker that is also a major mobile ad network after merging with ironSource in 2022.

Mobile-first ad tech group (Smaato, Verve) listed in Stockholm and Frankfurt.

In-app video ad pioneer, merged with Liftoff in 2021.