GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
Crumbles - Crumbles are like reaction GIFs with a way bigger vocabulary
Bobble Stickers for iMessage - One selfie, Unlimited Stickers!
Rif - Product Hunt for reaction GIFs
MojiLaLa Unlimited for iMessage - 32,000 original stickers by 450+ artists all over the world.
Mematic - Mematic – Make Your Own Meme is another free to use meme generator application developed and published by Trilliarden.