It's fantastic and well worth the money; I used it on my YouTube channel to demonstrate various tasks and demonstrate how to do them, and I enjoyed the app. There are also many sketches there that you can use in your presentation, but the problem is that it does not support Arabic, so I had to use another app to save the typing as SVG and use it on the Explaindio app.
Gifs - Search through a library of hundreds of GIFs that you can send in your messages or that you can share to social media pages.
VideoScribe - Make your own whiteboard video animations with Sparkol VideoScribe – award-winning video scribing app for PC, Mac and iPad. Free trial available.
Tall Tweets for Google Slides - Tweet your Google Slides as animated GIF images
Doodly - Create your own doodle video in just 60 seconds
GifRun - GifRun provides easiest way to find and create animated GIFs from YouTube, Video, Images or Vine...
Easy Sketch Pro - Software Allows You To Create Amazing and NEW Interactive Sketch Videos, SkyRocket Engagement And...