What are some alternatives?
When comparing Gifable and GIPHY Says, you can also consider the following products
Kap - Kap is an open-source screen recorder built with web technology.
Guggy - Make your friends laugh with personalized GIFs
ilos - ilos is a video capture, screen recording, hosting, analytics, and closed captioning inside one app.
GifLab - The easiest way to create GIFs on your iOS device
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.
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!