GIPHY for iMessage - The easiest way to share all the GIFs in all your txts
Zimit - Configure price quotes for services
Doll Up Stickers - Dress up your messages.
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
Bobble Stickers for iMessage - One selfie, Unlimited Stickers!
Saycons - Use Saycons when words are not enough!