Avira System Speedup vs WindowsCleaner

Avira System Speedup provides cleanup and optimization tools, with features varying between the free and Pro versions. On Windows, its cleaner removes junk files, temporary data, browser traces, and other unnecessary data. Startup Guard manages programs that run when Windows starts to help shorten startup time; scheduled maintenance and restore-point tools are also listed. Avira says the Windows version includes backup and recovery tools for files, documents, and photos. The free version provides essential PC cleaning, essential speed optimization, and accelerated system starts. Pro adds disk and registry optimization, startup optimization, customizable power modes, Game Booster, and automatic system optimization. The listed Pro subscription covers one PC, renews automatically unless cancelled, and has no displayed price. Its product page offers 30-day access to premium products. Avira lists System Speedup for Windows 7 SP1 or later, macOS 10.15 or later, Android 9 or later, and iOS 11 or later. The Pro product page says support is available by phone and email. Avira describes its security and cleanup tools as made in Germany.

WindowsCleaner is a free PowerShell cleaner, debloater, optimizer, and troubleshooting toolkit for Windows 10 and 11. Its registry-driven cleanup engine covers 106 targets across browsers, developer tools, applications, games, caches, disks, logs, Windows Update, and driver leftovers. A real -WhatIf run previews removals and estimates reclaimed space. Safety features described by the project include path guards, System Restore points, risk tiers, and a Dangerous tier requiring an explicit option. Optimization provides 77 tweaks for performance, privacy, debloating, and networking, with earlier settings backed up for undo. The repair engine runs 43 health checks in eight categories and supports scan-first, selectable repairs. WindowsCleaner is available as a WPF app, console menu, PowerShell scripts, and a dependency-free batch alternative. It supports unattended logs, JSON reports, and scheduled weekly cleanup and monthly health scans. Administrator rights and PowerShell 5.1 or later are required.