iOS Jetpack - Beautiful easy-to-use screenshot templates for App Store
Chumpu iMessage Sticker Pack - Animated Chumpu cartoon stickers for iMessage
AppLaunchpad - Create free beautiful screenshots for App store/Google play
Fulfilli - Quoting software as a service (saas) for successful digital agencies.
App Screenshot Maker - Design marketing screenshots for your app in minutes
Sticker.Place API - Get stickers for your app