Has anyone used LingoTribe?

I tried it last month and i can withdraw 1-2$ worth of money, its a website to call with your friends and earn money according to your audio quality, now when i want to withdraw it asked for the minimum of 30$, and the rate actually changed after i withdraw my first cash, previous rate was around 7-9$ / hour of call, can be divided by 15 min minimum call, and it dropped to 1.5$ / hour after i withdraw, is this a scam website?
sorry for the bad english, its not my main language.

submitted by /u/karadaazuke
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source https://www.reddit.com/r/beermoney/comments/1o59rmd/has_anyone_used_lingotribe/