Channel comparison
Mark Rober vs A4
Side-by-side channel stats, birthdays, and milestones.
14 years
Channel age
11 years
80.6M
Subscribers
92.8M
18.2B
Total views
38.1B
264
Videos
1.0K
Oct 20, 2011
Created on
Nov 29, 2014
1 days
Next birthday
41 days