Apps like DeviceGuru

Here are some great alternatives to DeviceGuru by Oleh Donchevskyi :
Gator - System Cleaning Tool
Gator - System Cleaning Tool
★3.7
OptiCache Pro
OptiCache Pro
★4.0
Cache Cleaner: Clear All Cache
Cache Cleaner: Clear All Cache
★3.6
Cache Monitor - Cache Cleaner
Cache Monitor - Cache Cleaner
★4.1
Ora Storage Manager -Antivirus
Ora Storage Manager -Antivirus
★4.8
Phone Cleaner – Junk Files
Phone Cleaner – Junk Files
★4.5
Smart Phone Cleaner
Smart Phone Cleaner
★4.2
Cache Cleaner
Cache Cleaner
★3.8
Junk Removal – Phone Cleaner
Junk Removal – Phone Cleaner
★3.8
Storage Cleaner: Photo & Video
Storage Cleaner: Photo & Video
★4.6
MobileTools
MobileTools
★4.8
ZenSecurity
ZenSecurity
★4.0
Sweep Master
Sweep Master
★4.4
SuperClean: Junk & Antivirus
SuperClean: Junk & Antivirus
★4.4
ACleaner - Phone Cleaner
ACleaner - Phone Cleaner
★4.7
Unneeded File Manager Cleaner
Unneeded File Manager Cleaner
★4.3