Well it's true that MinnowBooster has been not able to supply well for the demand though there is a reason behind it , MinnowBooster has the highest no of users than any other services provided on Steemit , the reason being that we always strive for 'Always Profit' scheme due to which our votes gets out of stock in just a matter of seconds .
It is suggested that you keep checking the graph on our website minnowbooster.com to know about the available upvotes
Thank you for using MinnowBooster :)