Comparison of Similar Products

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Product	History	Daily Usage	Minimum length usage	Availability	Cost	Portable while using?	Science
Brava	2001: This original breast expansion device was invented around this time. The results were often not long lasting without additional surgical augmentation, to the disappointment of users. However, it was the first of its kind. It is not unusual for new technologies to take time to mature.	10 hours	3-5 weeks	Discontinued in 2017.	Appears to be $2500, but it has been listed on eBay for close to $5000, probably due to the rarity,	Yes	Original Brava Paper
EVERA	2011: EVERA, from Korea, is created. It is made by a different company than the original Brava.	8 hours	3 months	May be available through medical practices in certain countries, however it is superseded by EVE RHEA, which is now the recommended product by the creators.	The same as EVE RHEA.	Yes	EVERA and Brava (AESTES) Evaluation See Figures 6 and 7 for patient images. See Table 3 at 12 weeks and 16 weeks for volume increase.
EveBra	From the creators of the original Brava. It is unclear how it has changed from the original or the reason for the similar name with the Korean device.	10 hours	10 weeks	May be available through medical practices in the US.	Unknown	Yes	See the paper linked in above row under AESTES results. This study states that the results of both devices are similar.
EVE RHEA	2018: EVE RHEA is created. It works faster than EVERA with the same results. It is sold under the name BEbra in Japan.	1 hour for the same results as EVERA	3 months	Available here!	See current price	No, this device is larger and more powerful than its precursor. Device must be stationary while using.	Seoul National University report (Can be translated with Google translate. ) See EVERA paper in row 2 for similar results images.