Lifestyle Apps – Which ones would you recommend?

In learning more about the Lifestyle, there are a ton of podcasts and blogs that are very helpful. We have several linked here on our blog that we would recommend you check out as they are very fun and educational. Of course there are sexy shows such as Swing that really have been both exciting and educational to watch.
Naturally there are a lot of people in the Lifestyle on twitter, Instagram and there are also several webpages and apps that are very helpful in your journey. 
What are some of the best apps for the Lifestyle? Such as games for ice breakers, parties, calendars, club finders, etc. When looking in the App store, there seems to be slim pickings, so please share your thoughts of Lifestyle apps or Sexy apps in general.