Native advertising is an ad format, that focuses on increasing campaign performance by matching the ad to the format, context and functionality of the app in which the ad is displayed.
The latest specifications for native ads on Google Adx (Content and Install) can be found here: Standard native ad formats
The latest specifications for native ads on Mopub can be found here : Native Ads Best Practices
Below is a compilation of key requirements in order to fit both Google and Mopub native inventory :
25 characters maximum
Ex: Onto your next trip!
100 characters maximum
Ex: Use the code FREESUMMER for 30% off!
15 characters maximum
|App Icon / Advertiser logo||
Image resolution Google: 128 x 128 / Mopub: 80x80
Image resolution: 1200 x 627
Weight: max 150kb - ideally below 40kb