No. 17 of 103 ·PC Optimization Software

System Ninja

Name: System Ninja
Price: 14.95 USD

Windows · paid plans from $1.25/mo

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Freedom report

Two barsScore 7.1

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

System Ninja is ranked #17 of 103 in PC optimization software on Freedom251, made by System Ninja (Adelaide, Australia). It runs on Windows. There is a free plan. Paid plans start at $1.25/mo.

System Ninja plans and pricing

All plans

Pro Club Standard $14.95/yr 12 months Up to 10 devices singularlabs.com · 5 Oct 2026

Pro Club Extended $74.75/yr 12 months More than 10 computers singularlabs.com · 20 Sept 2026

System Ninja Free Free Powerful Disk Cleaner · Useful Utilities singularlabs.com · 8 Oct 2026

System Ninja Pro Not published Available exclusively to Pro Club members · One-click optimizer · Custom branding · Portable edition · Automatic updates singularlabs.com · 8 Oct 2026

Compared on PC optimization software

Free plan: Yes
Paid from: $14.95/yr
Junk cleanup: Yes
Startup manager: Yes
Windows support: windows 10 and 11
Device limit: 10 devices

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The record

Purpose: System Ninja is a system optimization solution for Windows that removes junk files and unnecessary startup items.
Browser cleaning: Its cleaner targets cookies, internet cache, session logs, thumbnail icons, and browsing history in supported browsers.
Supported browsers: The product page lists Chrome, Internet Explorer, Firefox, Edge, Opera, Brave, Yandex, PaleMoon, and 30+ others.
Cleaning engine: The cleaner uses an initial heuristic scan followed by checks of known junk locations for a more thorough clean.
CleanSync: CleanSync downloads new cleaning rules in the background, and the maker says each rule must pass security measures before it can remove files.
Utilities: The product includes a process manager, app uninstaller, duplicate file finder, and software and hardware analysis tool.
Pro features: System Ninja Pro adds inactive Windows install cleaning, one-click optimization, portable operation, command-line automation, automatic updating, and custom branding.
Plugins: Available plugins include a registry cleaner, filename find-and-replace tool, and file analyzer that calculates file size, access times, and hashes.
Plugin limitation: The maker says plugins are unsupported, used at the user's own risk, and may be developed by people unaffiliated with SingularLabs.
Privacy: The maker says its desktop programs do not track usage or gather statistics, are free from spyware and adware, and require permission or user interaction for outbound internet communication.
System requirements: System Ninja requires Microsoft .NET Framework 4.8 and supports Windows 7, Windows 8, Windows 10, and Windows 11.
Support: The public support forum does not require registration to ask a question, while Pro Club members are directed to priority support for faster responses.
Intended users: Pro custom branding is presented for PC technicians who want to rebrand the software for their clients.
Headquarters: Adelaide, Australia
Price from: $1.25/mo

Where it ranks on Freedom251

Best PC Optimization Software in 2026#17 of 103

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Sources

singularlabs.com/software/system-ninja/· checked 8 Oct 2026
singularlabs.com/software/system-ninja/junk-cleaner/· checked 8 Oct 2026
singularlabs.com/software/system-ninja-pro/· checked 8 Oct 2026
singularlabs.com/software/system-ninja/plugins/· checked 8 Oct 2026
singularlabs.com/privacy/· checked 8 Oct 2026
singularlabs.com/software/system-ninja/confirm-download/· checked 8 Oct 2026
singularlabs.com/forums/· checked 8 Oct 2026
singularlabs.com/club/join/· checked 5 Oct 2026