Open the Boost Juice App (make sure you have the latest update), Scroll Down to "View All Challenges”.
There’s usually a few challenges ranging from $1-$5 Vouchers.
Click on the Lychee “Berry Family” Challenge, than Select the "Soapberry" answer to receive a $3 off Voucher.
Challenge Expires 2nd of May 2021, but once you answer the challenge, you usually only have 3 to 5 days to use voucher before it expires, so only answer close to purchasing.
Anyone know the correct word for the lychee puzzle on Facebook?