Apps for Maintenance & Optimization
The Maintenance and Optimization category features software that clean out junk or unused files from your system. These cleaners will also remove out obsolete entries from the Windows Registry, browser settings, and leftover hardware drivers data.

Zen Battery
Free

SnapStats: Device Stats & Info With Today View Widget
Free
System Status Lite - CPU, battery, storage monitor
Free

Google Authenticator
Free

Clean Battery Free
Free

Lirum Device Info Lite - System Monitor
Free

SD Maid - System Cleaning Tool
Free

Android Assistant(18 features)
Free

Nova Launcher
Free

CleanMyMac X
$89.95

Disk Inventory X
Free

Dr Cleaner
Free

MacCleanse
Free to try

CCleaner
Free

Disk Doctor
$2.99

Data Rescue
$99.00

OnyX (Mavericks)
Free

CCleaner
Free

System Mechanic Free
Free

Data Rescue PC4
$99.00

Advanced SystemCare Free
Free

Glary Utilities
Free

PC Decrapifier
Free

Wise Care 365
Free