The giveaway is exclusive to customers using the mymacca’s app.
To commemorate International Burger Day, McDonald's is giving Aussies an opportunity to score a free Big Mac through its revamped mymacca’s app.
A total of 300,000 Big Mac burgers are expected to be given away to customers who log in the app and check their MyRewards interface.
International Burger Day is part of the global brand's 50th anniversary celebration of the now-iconic Big Mac, which first went on sale in the U.S. in 1968.
(Photo credit: McDonald's/Supplied)
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