The more mobile apps come out, the bigger the discovery problem gets for users: Apple, for example, recently announced they have 425,000 apps in the App Store. Rankings, recommendations from platform providers or search often bring unsatisfying results – a pain that an app called AppGrooves [version 2.0, free on iTunes] now tries to solve. There are quite a few recommendation engines out there already (i.e. Chomp or Frenzapp), but AppGrooves goes in a different direction: the idea is to combine a proprietary recommendation algorithm with a “Hot or not”-feature and a social element to discover unknown cool iOS apps. The way it works is that AppGrooves first detects what kind of

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