One of the most popular alternatives to PrivaZer is BleachBit, which is free and open source. Other popular alternatives are CCleaner, SD Maid SE, Kudu Cleaner and optimizerDuck. There's no shortage of System Cleaners like PrivaZer, with more than 50 alternatives for Windows, Mac, Android, iPhone and iPad.
Reclaimed is a cross-platform, ultra-lightweight, and surprisingly powerful command-line tool for analyzing disk usage — with special handling for iCloud storage on macOS.
United States
PC-Popper is a computer optimization program that makes your computer run like it should...fast, clean, and error-free. It also eliminates detected malware and supports plugins for adding additional functionality.
United States
Clean Doctor is a cleaner app to help you better manage your iPhone/iPad while saving storage, including clear duplicate photos, clear large size videos, duplicate contacts scanner, etc.
Clean Sweep is the ultimate app designed to simplify and optimize your digital life. With its powerful features and user-friendly interface, Clean Sweep empowers you to effortlessly tackle common digital clutter challenges:
Vietnam
Multron Win Cleaner is a comprehensive system maintenance, security, and disk recovery suite engineered for Windows. Unlike conventional cleaning tools, it pairs deep low-level system controls (DISM, SFC, WinSxS) with transparent, community-updatable cleaning definitions.
Cache Out is a native macOS app that wipes cache, history, downloads, favicons, and cookies across Safari, Chrome, Firefox, Edge, Opera, Brave, Vivaldi, Arc, Orion, and Dia. Runs entirely on your Mac — no telemetry.
Anti-Twin is a small software application which compares files, i.e. it searches for duplicate or similar files on your hard disk drive. All similar or identical files that were found can either be sent to the recycle bin or directly deleted.
Germany
EU
Visual disk usage analyzer for Mac featuring byte-level duplicate file detection, detailed storage statistics, customizable folder scans, temporary file removal, undo safeguards, selective cleanup, support for large files, and dedicated modules for managing storage.
Thailand
Clean your phone with the help of AI. Find similar photos, duplicate contacts and large sized videos, delete them with one tap.
United States
Free, open-source Windows disk cleanup tool. Clean system junk, scan large files, detect duplicates, and analyze disk space. Single portable file under 70MB. No ads, no bundleware, no background processes. Built with .NET 8 + WPF. Supports 6 languages and 10+ themes.
China
Mobile Doctor let you easily to manage your phone at any time, including the following major features:
China
United Kingdom
