If your rooted, I find ES task manager is the best for startup . If you have no root then startup management doesn't actually really work so good.
Sent from my GT-I9505 using xda app-developers app
Update: 17th november 2013
Samsung G S4 stock BMG4 + root
with cf-auto root + philz recovery.
HTC Desire HD
(Hboot 2.00.0029 AND S-OFF)
SVHD V 2.1.0
Retired HTC Legend