The methods below are all the (and only) ways that you can get free V-bucks in Fortnite.
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• The big bummer is that all of the ways below except for one requires you to purchase the Players vs. Enemies (PvE) mode, Save the World to earn the free V-Bucks.
• The other issue is if you’re an iOS (and eventually Android) user since Save the World is currently unavailable. So the only way for you to use the first five methods below that I have written is to access your PC (Windows or macOS), Xbox One or PS4 and play the game there. The V-Bucks you earn will carry over, as Epic Games tries to include cross-progressions over for you on your mobile too.