Personal Sticker Maker for WhatsApp - Personal Sticker Maker for WhatsApp is a sticker making an application that works with every type of social media application you have currently working on your device.
Looksy for iMessage - Live video chat stickers
Holographic Stickers by Sticker Mule - Rad stickers with futuristic rainbow shine.
StoryTracker - A library of relevant campaign stories saved for 30 days.
GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
GIPHY Stickers for Instagram Stories - Add fun GIF stickers to any photo or video in your story