What are some alternatives?
When comparing Instagfy and Plotagraph, you can also consider the following products
Tall Tweets for Google Slides - Tweet your Google Slides as animated GIF images
EB Synth - Animate your paintings and bring them to life
Plotaverse - Photo animation made easy, animate like the pros
GIPHY GIF maker - Create animated GIFs from videos (by Giphy)
Phhhoto - Animated, Social Photo Booth
Lively - Make GIF and short movies from your live photos.