I don't think so many links in just 24 hours is gonna help your website in anyway than getting your website banned by search engines. Even if its done in a manual way, when google crawls it will take it as an automated one.. So My suggestion is don't make use of this.
i prefer manual link building as i can't trust any software even if they distribute it free of cost .As i check each of the page where my link to be place which software can ignore and a link at wrong place can make my work double .
I don't think so plenty of links in 24 hours is going to help your net site in anyway than getting your net site banned by search engines. Even if its done in a manual way, when google crawls it will take it as an automatic one..