TxFast is a free Bitcoin transaction accelerator, allowing you to recieve faster confirmations on your unconfirmed Bitcoin transactions. All Bitcoin transactions are accelerated for free. Transactions are re-broadcasted to the Bitcoin network.
TxFast Premium is a paid Bitcoin transaction accelerator, reccomended for transactions stuck under $1.00 or with many many inputs. Transactions are acceletrated and prioritized automatically through large mining pools in our network.
There is no time guarantee with either service. However, TxFast Premium transactions typically confirm within two to three hours.