The Ruby Princess receives generally positive reviews for its service, ship cleanliness, and memorable itineraries, especially to destinations like Alaska and Hawaii. Many guests praise the friendly and accommodating crew, enjoyable excursions, and relaxing atmosphere. However, there are recurring criticisms regarding food quality, entertainment variety, and some aspects of service and accommodations. Some guests also mention issues with crowded areas, additional charges, and inconsistent internet connectivity. Overall, the Ruby Princess offers a solid cruise experience, though some areas could benefit from improvement.