Avast Cleanup Premium Review: How to Speed Up and Clean Your PC in 2025
If your computer has started to feel sluggish, take forever to start up, or constantly run out of storage space, you’re not alone. Over time, every PC collects junk files, leftover apps, and hidden background processes that slow things down. The good news? You don’t necessarily need a new computer—you just need the right cleanup tool.
That’s where Avast Cleanup Premium comes in. It’s an advanced PC cleaner and optimizer designed to give your device a second life. After testing it out, here’s what I found about its features, performance, and whether it’s worth the money.

Why Your Computer Slows Down
Before diving into the software itself, it’s useful to understand what actually causes your PC to drag its feet:
- Background apps hogging memory and CPU.
- Temporary junk files piling up from browsers, Windows updates, and installed programs.
- Bloatware (pre-installed apps you never use but that still take resources).
- Fragmented hard drives making data harder to access.
- Outdated software that increases bugs and security risks.
If you’ve noticed crashes, freezes, or painfully slow boot times, these culprits are likely to blame.
What Avast Cleanup Premium Offers
Avast Cleanup Premium is more than just a “disk cleaner.” It’s packed with tools that tackle nearly every cause of slowdown:
- Sleep Mode – Stops background apps to free up memory.
- Disk & Junk Cleaner – Clears gigabytes of unnecessary files.
- Browser Cleaner – Removes cookies, toolbars, and extensions.
- Registry Cleaner – Fixes registry issues to reduce crashes.
- Shortcut Cleaner – Gets rid of broken desktop shortcuts.
- Automatic Maintenance – Runs cleanups without user effort.
- Disk Defrag & Optimization – Restructures your hard drive for faster access.
- Software Updater – Keeps your apps updated automatically.
- Data Shredder & Recovery – Securely deletes or restores files.
Real Performance Improvements
According to Avast’s internal tests:
- 79% quicker startup times (89s → 18s).
- 23% faster work performance in multitasking and multimedia.
- 71 GB of storage freed after removing temporary files.
Pricing: Is It Worth It?
- 1 PC: $32.99 for the first year (normally $65.99).
- 10 devices (Windows, Mac, Android): $34.99 for the first year (normally $79.99).
The 10-device plan is clearly the better deal. Both come with a 30-day free trial (no credit card required) and a 30-day money-back guarantee.
Cleanup for Mac and Android
This isn’t just for Windows PCs:
- Mac: Detects hidden junk, duplicate photos, and large files. Also helps uninstall apps completely.
- Android: Removes leftover files, identifies battery-draining apps, and sorts blurry/duplicate photos.
Pros and Cons of Avast Cleanup Premium
Pros
- Easy to use, even for beginners.
- Noticeable improvements in startup times and speed.
- Cleans deep system junk that built-in tools often miss.
- Cross-platform support (Windows, Mac, Android).
- Automatic maintenance keeps the PC optimized without effort.
- Free trial available with no credit card required.
Cons
- Not free after trial (subscription-based).
- Some advanced features (like registry cleaning) may not make a big difference for all users.
- Results vary depending on your computer’s condition.
- Similar features can be found in cheaper or even free alternatives (though often less effective).
Final Thoughts
If your computer is slowing down, constantly running out of space, or just feels “tired,” Avast Cleanup Premium is a solid solution. It’s easy to use, packed with optimization tools, and actually makes a noticeable difference in speed and storage.
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