I can't personally reproduce that. It is supposed to need a Google Analytics account though;
This tool collects past stats per day and identifies the day wherein the stats are at its highest. You can decide from the data when the best time to upload is in order to maximize views, likes, shares, and subscribers. This needs a Google Analytics account. To register one, click here. To enable tracking, follow the instructions here
I can't personally reproduce that. It is supposed to need a Google Analytics account though;
This tool collects past stats per day and identifies the day wherein the stats are at its highest. You can decide from the data when the best time to upload is in order to maximize views, likes, shares, and subscribers. This needs a Google Analytics account. To register one, click here. To enable tracking, follow the instructions here