The MailTrackerBlocker extension for macOS Apple Mail blocks email trackers, read receipts, and tracking pixels.
BlockBlock vs Stay
How do BlockBlock and Stay compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | BlockBlock | Stay |
|---|---|---|
| What it is | BlockBlock monitors for malware that installs itself persistently to run automatically after a restart or login. | Stay for Safari lists userscripts and ad blocking among its features, with ratings and reviews available on the App Store. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Freemium |
| Platforms | macOS, Web | iOS, Web |
| Open source | Not stated | Not stated |
| Language | — | English |
| Alternatives |
Other options to consider
Sites similar to both BlockBlock and Stay.
Check which software is persistently installed on a Mac with KnockKnock, a tool for inspecting startup items.
AdGuard Mini blocks ads in Safari on Mac and is described as helping protect privacy and reduce page loading times.
Tunnelblick is free, open-source macOS software for controlling OpenVPN connections, with downloads and support information on its site.
Suspicious Package provides a downloadable macOS disk image, with its page listing the current version and bundle identifier.
Lockdown Privacy offers an open-source firewall for blocking trackers, ads, and badware in apps on iPhone and iPad.






