CCleaner
Reviews
Star rating
Rank in Disk Cleanup
Pros and cons
Pros
Cons
Traffic & LLM citations
Source: G2 review data
Winning from
Losing to
Key stats
Adoption by company size
| Segment | Share of reviews |
|---|---|
| Small Business | 46.6% |
| Mid-Market | 24.0% |
| Enterprise | 29.3% |
Quarterly history
| Quarter | Reviews | Star rating |
|---|---|---|
| 2025 Q4 | 2 | 3.5 |
| 2026 Q1 | 2 | 4.8 |
| 2026 Q3 | 1 | 2.5 |
Satisfaction ratings
What reviewers say
A Simple Tool for Keeping My PC Clean
“What I like most about CCleaner is how quick and easy it is to free up disk space and remove temporary files. The interface is simple, the scan only takes a few moments, and I can clean up unnecessary files with just a couple of clicks.”
Effortless System Cleaning and Optimization Made Simple
“CCleaner is a program that simplifies and optimizes system cleaning. With CCleaner, unnecessary files are easily removed. The tool is simple to use. There are no complicated steps to follow when using CCleaner to clean, optimize, and manage startup items. Additionally, the tool i”
Flawless Performance and Features Across Windows and Android
“This product offers excellent features and functions flawlessly on both Windows and Android platforms.”