What are some alternatives?
When comparing Instagfy and YayCam, you can also consider the following products
Plotaverse - Photo animation made easy, animate like the pros
Boomerang by Instagram - Create and share 1-second video loops
Tall Tweets for Google Slides - Tweet your Google Slides as animated GIF images
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!
GifBook - Make animated GIFs into paper flip books
cinema8 - The Best Interactive Video Technology