Roblox tries to skirt app store fees by making Robux worth more on other platforms You can get up to 25 percent more Robux by buying them on your computer or the web.

Now, those who make the same purchase using a computers web, and gift card will get 1000 Robux. (If you use the Roblox app on an iPhone or iPad to make buy, you’ll still just get 800 Robux.) ...