Thanks for your report. Please read instruction first! There are free gateways which works without any premium access. The premium access is provided once per user. If you or someone else used it from the same PC during last 30 days, you can no longer have it. As simple as that

Grazie per il tuo rapporto. Per favore leggi prima le istruzioni! Ci sono gateway gratuiti che funzionano senza alcun accesso premium. L'accesso premium è fornito una volta per utente. Se tu o qualcun altro l'hai usato dallo stesso PC negli ultimi 30 giorni, non puoi più averlo. Così semplice

Thanks for your report, that's not a bug. Free trial is given only ONCE per user per month. So if trial was removed, it means you or someone else used it from that IP.

As for FREE ones - they are free for life time without any payment. Could you please make sure that you are selecting the ones which label FREE? You can also send us email or open ticket, so we can better assist you. It looks like a bug in browser or the way you use tool... however, we will do our best to fix it in no time.