As of 2015, Sassy Baby Food Nursers have a 4.1 out of 5 star review on Amazon with a sample size of 28. Sixty percent of buyers gave them a five star review.
One verified buyer on Amazon reviewed Sassy Baby Food Nursers after testing them with warm water. Surprised it didn't leak, they proceeded to suggest the suction would be strong enough for cereal, formula, and baby food mixture. Another reviewer complained the hole is too large. The hole breaks the seal, and leads to leakage. This person suggests it can only be used with thick, puréed foods. Another review complains that the nipple on the bottle is too hard.
Diapers.com reviews are overwhelmingly positive with an average of 4.4 stars out of 5. But the sample size only comprises 7 reviews, all of whom are verified. Pros include being easy to wash, lightweight and sturdy construction, and portability. Cons include being difficult to assemble and not being able to sterilize through boiling.
The Sassy Baby Food Nurser is made to help babies transition from breast milk or formula to solid food. It's meant to bridge the gap between milk and using a spoon for solid foods. A vacuum disk is built to keep the air out and move food through consistently without clogging.