Instagram = photo filtering + sharing. Overlayer = photo compositing + sharing. Overlayer combines two images into one. It's addictive & fun
Overlayer is a multiplatform photo-taking, compositing, and sharing suite that operates on iOS/Android, the web, and Facebook. It is free to download, but is monetized on each platform, through both direct-to-consumer transactions and sponsor campaigns. While Instagram has established itself as the industry standard app for taking and sharing filtered photos, there is no popular app for photo compositing (and sharing).