Question: what is the difference between oral b genius x and 9000?
Answer: Key Differences The smartphone app is slightly different. The Genius X comes with 1 or 4 brush heads (subject to variant) compared to the 4 brush heads supplied with the Genius 9000. ... The Genius 9000 comes with a suction cup smartphone holder. The Genius 9000 works with the Oral-B smart wireless guide, the X does not.