| S No. | VAST | MRAID |
| 1. | VAST full form is “Video Ad Serving Template” | MRAID full form is “Mobile Rich Media Ad Interface Definitions” |
| 2. | VAST is used as a standard for video player | MRAID is used as a standard for mobile rich media (video) advertising |
| 3. | This standard defines the communication between the video player and the ad server which basically controls the placement of video advertising | The IAB MRAID standard allows rich media advertising materials together using standard technology to deliver the apps without having to integrate advertising in the platform-specific programming of the app. |
| 4. | VAST also ensures that video advertising can also be linked via a redirect | MRAID ensures to run almost all kind of rich media ads on mobile apps |
| 5. | VAST is a script for the video ad which gives consistent instructions to the video player on how to handle an ad | For the creation of Ads MRAID provides only HTML5 and JavaScript. |