Performance
System resource monitor
Top Processes
Chrome
18% CPU
1.2 GB
VS Code
12% CPU
890 MB
Slack
4% CPU
340 MB
Tip: Chrome is using 18% CPU with 47 tabs open. Closing unused tabs could free 600 MB.
CleanMyMac vs CoreLock: Which Is Right for You in 2026?
CleanMyMac by MacPaw is the go-to Mac utility with over 30 million downloads. It has earned that reputation by being genuinely good at what it does: cleaning junk files, uninstalling apps, and keeping your Mac running smoothly. But if you are searching for a cleanmymac alternative free of subscription costs, or one that focuses on actual security rather than cleanup, there are two common reasons. Either the price tag does not fit your budget, or you need deeper security scanning that goes beyond optimization. CoreLock was built for the second group, though it covers a lot of ground for the first group too.
This is an honest, side-by-side comparison. Both tools are good. They just solve different problems.
What CleanMyMac Does Best
CleanMyMac is a system optimization tool, and it is one of the best in that category. Here is where it genuinely excels.
Junk file cleanup. CleanMyMac finds and removes system caches, old log files, broken downloads, language packs, and unused iOS backups. On machines that have not been cleaned in a while, it can reclaim tens of gigabytes of disk space. The Smart Scan feature makes this a one-click process.
App uninstaller. Dragging an app to the Trash on macOS leaves behind preference files, caches, and support folders scattered across your system. CleanMyMac's uninstaller hunts down these leftovers and removes them completely. This is one of its strongest features.
Visual design. CleanMyMac has a polished, intuitive interface. Everything is easy to find, easy to understand, and satisfying to use. MacPaw clearly invests heavily in design, and it shows.
Maintenance scripts. CleanMyMac can run macOS maintenance routines like flushing DNS cache, rebuilding Spotlight index, and repairing disk permissions. These are things you can do manually in Terminal, but CleanMyMac makes them accessible.
Pricing. CleanMyMac X costs approximately $34.95 per year on a subscription plan or $89.95 as a one-time purchase. The free version lets you clean a limited amount of data per feature.
What CoreLock Does Differently
CoreLock is not a cleanup tool. It is a security scanner built to answer the question: what is actually happening on my Mac right now?
23 real scanners. CoreLock runs 23 individual scanners across 8 security modules. These include YARA pattern matching, hash-based threat detection, behavioral analysis, entropy scanning, and string extraction. Each scanner looks at a different dimension of your system.
TCC permission audit. macOS has a permission system called TCC (Transparency, Consent, and Control) that governs which apps can access your camera, microphone, screen recording, full disk access, and more. CoreLock audits every TCC permission on your system and flags anything unusual. CleanMyMac does not do this.
Behavioral analysis. Instead of just checking files against a known malware database, CoreLock analyzes what running processes are actually doing. It watches for suspicious patterns like privilege escalation attempts, unusual resource consumption, and unexpected network activity.
Process monitoring. CoreLock scans every running process on your Mac, verifies its code signature, checks its certificate chain, and evaluates whether it belongs. If something is running that should not be, CoreLock flags it.
Code signature verification. Every legitimate Mac app should be signed by its developer and notarized by Apple. CoreLock verifies these signatures and flags apps with revoked certificates, broken signatures, or missing notarization.
Network connection analysis. CoreLock monitors active network connections to show you which apps are connecting to the internet, what servers they are reaching, and how much data is moving. This is critical for catching data exfiltration and unauthorized communication.
Pricing. CoreLock Free costs $0 and includes all 8 security modules with 3 scans per day. CoreLock Pro is $4.99 per month and adds real-time monitoring, AI-powered analysis, and unlimited scans.
CleanMyMac vs CoreLock: Honest Comparison
Here is how the two tools compare feature by feature.
| Feature | CleanMyMac X | CoreLock |
|---------|-------------|----------|
| Price (annual) | ~$34.95/year or $89.95 one-time | Free tier, or $4.99/month Pro |
| Junk file cleanup | Yes, excellent | No |
| App uninstaller | Yes, with leftover detection | No |
| Malware scan | Signature-based | YARA + behavioral + hash-based |
| TCC permission audit | No | Yes, full system audit |
| Network monitoring | No | Yes, active connection analysis |
| Process analysis | No | Yes, with code signature checks |
| Code signing verification | No | Yes, full certificate chain |
| AI-powered analysis | No | Yes (Pro tier) |
| Data location | Cloud-connected | Local-first, on-device scanning |
Neither tool wins every category. CleanMyMac is clearly better for cleanup. CoreLock is clearly better for security. The right choice depends on what you need.
The Free CleanMyMac Alternative Question
If you landed on this page searching for a free cleanmymac alternative, here is the reality.
CleanMyMac's free mode is quite limited. You can clean a small amount per feature category, but the free version is essentially a preview to convince you to subscribe or buy. That is a fair business model, but it means CleanMyMac Free is not a real long-term solution.
CoreLock's free tier includes all 8 security modules with 3 full scans per day. There are no feature restrictions on Free. You get the same 23 scanners, the same permission audit, the same process analysis. The Pro tier adds real-time monitoring, AI analysis, and unlimited scans, but the free version is a complete security tool on its own.
For security specifically, CoreLock does more for free than CleanMyMac does at any price point. CleanMyMac's malware scanner uses signature-based detection. CoreLock uses YARA rules, behavioral analysis, entropy scanning, and code signature verification together. These are fundamentally different approaches to detecting threats.
When to Use CleanMyMac
CleanMyMac is the right choice when your primary goal is system optimization.
If your Mac is running out of storage, CleanMyMac will find junk files you did not know existed. If you want to uninstall apps cleanly without leaving behind orphaned files, CleanMyMac does that better than anything else. If your Mac feels sluggish and you want a one-click tune-up, CleanMyMac's maintenance tools are genuinely useful.
CleanMyMac is also the better choice if you value polished visual design and a guided experience. MacPaw has invested years in making CleanMyMac feel premium, and it does. For a detailed review of what it offers, see our full write-up on whether CleanMyMac is worth it.
When to Use CoreLock
CoreLock is the right choice when your primary goal is security visibility.
If you want to know what is running on your Mac and whether it belongs there, CoreLock shows you. If you want to know which apps have access to your camera, microphone, or screen, CoreLock audits every permission. If you want to verify that your installed software has not been tampered with, CoreLock checks every code signature and certificate chain.
CoreLock is also the right choice if you want a security tool that works entirely on your device. All scanning happens locally. Your data does not leave your Mac. For more context on what a first scan reveals, see what a security scan finds on a new Mac.
If you are evaluating free security options more broadly, our ranking of the best free Mac security tools in 2026 covers several other tools as well.
Can You Use Both?
Yes. CleanMyMac and CoreLock solve different problems and do not conflict with each other.
CleanMyMac handles cleanup: clearing caches, removing leftover files, freeing disk space, running maintenance scripts. CoreLock handles security: scanning for threats, auditing permissions, verifying code signatures, monitoring processes and network connections.
Running both gives you a cleaner Mac and a more secure Mac. They do not compete for system resources in any meaningful way, and they do not duplicate each other's functionality.
If budget is a factor, CoreLock Free plus the macOS built-in storage management tools may be enough. But if you can afford CleanMyMac and want the convenience of its cleanup features alongside CoreLock's security scanning, using both is a perfectly valid setup.
Bottom Line
CleanMyMac is a great Mac optimizer. CoreLock is a comprehensive security scanner. They are built for different purposes.
If you want to clean your Mac, use CleanMyMac. If you want to secure your Mac, use CoreLock. If you want both, use both.
The biggest differentiator for people searching for a free alternative is this: CoreLock gives you a fully functional security tool at no cost. All 8 modules, all 23 scanners, 3 scans per day. No paywalled features. No trial that expires.
Try CoreLock for free at corelock.net/download. Run a scan and see what is actually happening on your Mac. No credit card required.