Everyone likes relevant, well-timed push notifications. nGrow allows app developers to make precised AI-driven push campaigns that efficiently engage users and significantly improve app retention and revenue.
Free Options
Launch Team
CotypistType up to 50% less in every Mac app. Free to try, and it runs fully on your Mac.
Promoted
Cloudthread
Contentelly 
Value Sense
Albato
Just Sign
Adapty
Audio Writer iOS