Websites for Good Housekeeping and Best Buy publish reviews for Shark's Rotator and Navigator vacuums, as of 2015. The reviews also have ratings based on five-star systems.
As stated in Good Housekeeping critiques for the Rotator and Navigator, both vacuums work well on hardwood and carpet. However, some users consider the Rotator heavy. Also, the Navigator's anti-tip mechanism does not work well in all directions.
Best Buy's five-star reviews for the Rotator mention that it has excellent suction and is easy to carry up and down the stairs. However, negative comments say that it does not work well on dog hair. Navigator reviews discuss how easy it is to clean. However, some parts began to fail within a few months of purchase.