When comparing Hey Athena vs Cortana, the Slant community recommends Cortana for most people. In the question“What is the best intelligent personal assistant software?” Cortana is ranked 2nd while Hey Athena is ranked 7th. The most important reason people chose Cortana is:
You can ask Cortana what music is playing and she will attempt to identify it.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Open source
Pro Can recognize music
You can ask Cortana what music is playing and she will attempt to identify it.
Pro Will let you know when artists you're interested in play in your area
Cortana monitors your Bing search history, social network actions, music played, etc to find out what are your favorite artists and will let you know if they plan to play in your area.
Cons
Con Functionality is limited on non-Windows devices
While Cortana is available on Android and iOS, certain features on those operating systems are either limited or non-existant. For example, there's no hands-free voice activation on iOS, and on Android it's only available on the homescreen and nowhere else, etc.