Features
— Free (GPLv3).
— A wide array of default blocking settings: Mass shuts tracking, malware, banners, pop-ups, video ads, social buttons; offers anti-XSS protection and much more.
— Secure local data storage for private user information, which aggregates automatically and manually.
— Freedom to create custom content blocking rules; Mass offers a variety of whitelisting options for unobtrusive types of paying ads.
— Mass administration does not draft white lists.
— For payments, Mass participants use the secure Bitcoin blockchain-based payment system.
— Temporary or permanent filtering; Mass learns from your blacklisting habits, blocks specific types of scripts and page elements.
— Plugins and standalone browser.
— Vivid indication: browsing reward calculator (earned money balance!), whitelist ration, a snapshot of elements currently being blocked; the fast preview of hidden items one-by-one.
— Standard protocol enhancements and API for Mass services.
9Apps 4.9
