[q] which 1 is better- battery saver, cache cleaner, antivirus or speed booster?

I have installed 4 Utilities in my device-
1. Clean Master
2. CM Speed Booster
3. CM Antivirus
4. Battery Doctor

I think all of them work same.
(Specially CM Antivirus has cache cleaner, lag detector, speed booster, etc.)
So why do we need to keep all apps?

Show Accepted Answer

Guest Quick Reply (No URL, BBcode or HTML)

Last post by mayra89
3 hours ago
Last post by nelle.kunze
1 hour ago
Last post by lang.shanelle
2 hours ago
Last post by levi07
3 hours ago
Nexus 4
Started by ymedhurst
Last post by delaney.little
2 hours ago
Last post by zzieme
1 hour ago
Last post by sheldon.olson
2 hours ago