Best Optimization Software & Apps (2025)

Best Optimization Apps and Services

Handpicked collection of the most popular and highly-rated Optimization applications

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Mem Reduct

Open Source

Mem Reduct is a small application that allows you to monitor and clean your computers' memory. Exempt system cache, modified, and idle memory pages.

All-In-One Toolbox

Freemium

All-In-One Toolbox is a real toolbox for Android. It offers you a mere 29 different tools that you can use to keep your Android working in good condition.

PerfectDisk

Commercial

PerfectDisk is a defragmentation utility for Windows.

Wise Registry Cleaner

Free

Wise Registry Cleaner is a free registry cleaner to improve PC performance.

IObit Smart Defrag

Free

IObit Smart Defrag optimizes PC to take full advantage of SSD performance while defragmenting hard disks.

Wise Disk Cleaner

Free

Wise Disk Cleaner helps you claw back misused space on your hard drive by easily removing all sorts of redundant junk files, quickly.

iStat

Commercial

iStat is an advanced Mac system monitor for your menubar.

Greenify

Free

Greenify is an Android app that can improve your device's battery life and performance by hibernating certain apps.

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Recently Added Optimization Apps and Services

Latest additions to our Optimization software collection

Mem Reduct

Open Source

Mem Reduct is a small application that allows you to monitor and clean your computers' memory. Exempt system cache, modified, and idle memory pages.

All-In-One Toolbox

Freemium

All-In-One Toolbox is a real toolbox for Android. It offers you a mere 29 different tools that you can use to keep your Android working in good condition.