Hi, and thank you for your question about the differences between TruSculpt Flex, TruSculpt ID, and TruSculpt 3D. In reality, there are only two different technologies there, TruSculpt Flex is multidirectional electrical muscle stimulation, and it is used to build and strengthen muscles. TruSculpt ID is a monopolar radiofrequency (RF) device used to kill fat and tighten skin. It has handsfree applicators that are attached to the areas you are treating, with the exception of the submental area (under the chin) which uses a handheld wand. TruSculpt 3D is a separate applicator (handheld device) that is passed over the areas you want to treat with RF energy.
If you want to build muscle, your treatment would be the TruSculpt Flex. If you want to permanently eliminate fat and tighten the skin in that area, TruSculpt ID would be your treatment of choice. I find that best results in my patients involves first treating the area with TruSculpt ID to permanently destroy the fat in the area (typically 24-28% of the fat in the treated area) and tighten the skin, and then do 4 treatments of TruSculpt Flex + to build the muscle. If you build muscle without removing the fatty tissue above them, you will be stronger, but will not necessarily show the results of muscle building.
I hope this helps and gives you a better understanding of the different technologies.
Kind Regards,
Dr. Edward Alvarez
Diplomate, American Academy of Aesthetic Medicine
Member, American Academy of Cosmetic Surgery