In Inza, a hotel needs to provide a certain number of upscale features to earn a 5-star rating. These can include on-site gyms, gourmet restaurants, saunas and spas, luxury toiletries, premium bedding and more. What also sets 5-star hotels apart is their superior service. You can expect things like concierge services, nightly turn-down services and in-room massage. Some may also offer thoughtful touches like welcome gifts.