Hostelworld 10.10 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application is categorized as Lifestyle Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
Whether you’re looking for a private room by the beach or social dorm rooms in the city, the Hostelworld travel app makes booking easy and budget travel possible.
You may want to check out more Mac applications, such as TheTudors, Love Story - Letters from the Past or Tempus Irae, which might be similar to Hostelworld.