They will block your account.
I liked the app it was not bad. I did my first month free as a trial and when they tried to take the payment it just happened that I didn't have the funds in that card, when I logged in again to pay for the subscription I found out that they blocked my account and they also send me an email saying that they blocked my account and I have to email them begging for them to activate my account again...a complete mess. Just let me pay on the app this is very annoying.
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