You can create banners in GIF format as it is a common format for banners accepted by most online publishers and advertising networks. It can be a static or an animated GIF banner.

Each banner you create with this app will set you back $25. The CannedBanners solution is great for e-commerce and other medium- and big-sized clients looking to display dynamic ads.

Apple recently added a new ad format designed to allow publishers to share sponsored posts alongside regular news content in Apple News, according to developer specification document [PDF] that ...