Likeware - like it to use it. Tweetware - tweet about it to use. Referware - refer friends emails to use the app. Reviewware - write an app store review to u

Likeware - like it to use it. Tweetware - tweet about it to use. Referware - refer friends emails to use the app. Reviewware - write an app store review to upgrade to pro version of the app. And so on....