Overall, the Nutri Ninja blender gets very positive reviews. As of 2015, Best Buy users had given the Nutri Ninja a 4.6-star rating based on 385 customer reviews.
Walmart user reviews gave the Nutri Ninja 4.7 stars based on 235 reviews. On Amazon.com, it had a 4.5-star rating with nearly 1400 reviews. Some of the features highlighted by user reviews of the Nutri Ninja include its ease of use and its ability to effectively blend a wide range of ingredients, including frozen fruit, ice and nuts. Users also note that the Nutri Ninja is very easy to clean, as the cup fits well in most dishwashers.