Apps similar to Avira System Speedup include BleachBit, which is free and open source. Other options are CCleaner, Glary Utilities, Kudu Cleaner and SD Maid SE. You're spoiled for choice with System Cleaners like Avira System Speedup: we list more than 100 alternatives for Windows, Mac, Android, iPad and Linux.
BleachBit deletes unnecessary files such as cache and cookies to enhance privacy and disk space efficiency on Linux and Windows. It supports numerous applications including web browsers, office suites, and multimedia tools.
United States![BleachBit user interface in dark mode [source: official documentation]](https://img.alternativeto.net/s/309x197/jpeg/bleachbit_608743_full.png)
Enhances system performance by clearing unused files, optimizing registries, speeding up boot times, and updating drivers. It safeguards privacy via auto cleanup of cookies and browser history, freeing disk space with file cleanup, duplicate detection, and efficient startup management.
United Kingdom
Offers a suite of powerful tools to optimize your Windows PC performance with features like registry and disk cleaning, privacy protection, and internet speed optimization, designed for both novices and professionals, and available in 23 languages for global accessibility.
China
The free system maintenance suite your PC deserves. 15+ powerful tools to clean, optimize, and protect your Windows, macOS, and Linux machines. Open source, no ads, no bloatware. Just a faster computer.
United States
SD Maid SE (aka SD Maid 2) is a file management tool for Android that specialises in maintenance. Its core purpose is freeing up space and removing unwanted data.
Germany
EU
Open-source Windows software offering more than 30 system tweaks spanning performance, privacy, GPU, power, bloatware, and user experience, with detailed risk ratings, automatic backups, one-click reverts, built-in management tools, and user-controlled settings.
Vietnam
Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...
Suite offering 30 plus tools for cleaning, privacy management, detailed system analysis, browser profile cleaning, tailored optimization, software uninstallation, duplicate removal, disk defragmentation, scheduled maintenance and deep customizable tuning.
GermanyEU
Advanced PC cleaner removes unnecessary tracks through comprehensive scanning, secures digital footprints from browsing and file downloads, frees disk space, and backs up registries, compatible with system 7 to 11. Offers installable or portable app options with customizable setup.
FranceEU
Feature-rich PC optimization utility suite providing disk cleanup, defragmentation, startup management, duplicate file removal, system settings tweaks, file recovery tools, and more than 20 utilities to streamline processes, reclaim space, and boost system efficiency.
Australia
Safety-first, open-source disk cleaner for Windows 10/11. Reclaim gigabytes of hidden junk — no ads, no telemetry, no registry snake oil. .NET 10 + WPF.
India
Windows Repair Toolbox is a software created to help you repair a Windows system, by making the process faster, easier and uniform.
![BleachBit user interface in dark mode [source: official documentation]](https://img.alternativeto.net/s/618x394/avif/bleachbit_608743_full.png)
