The most acceptable format for mobile ads is rewarded video (that is, users are rewarded for the time they have spent viewing it). This is evident from recent research by AdColony.
The report is based on data from a survey conducted in Q1 21 of more than 300 mobile app users around the world.
Respondents rate and interstitial display ads as the least acceptable mobile ad format.
A recent infographic (below) explores these mobile advertising insights and also examines audience attitudes towards different types of mobile apps.
Take a look at the infographic: