Charged $1 for Roblox hacks on iPhone

So basically I was trying to get hacks on roblox and I just clicked some buttons speeding through you know and it tried to charge me 40$ luckily it declined. Then it charged me a dollar and it accepted. I am not really worried about the dollar more of the fact that if I add money will it be taken

[Re-Titled by Moderator]

Original Title: I got scammed