When comparing Tails vs Bliss OS, the Slant community recommends Tails for most people. In the question“What are the best Linux distributions for desktops?” Tails is ranked 15th while Bliss OS is ranked 23rd.
Ranked in these QuestionsQuestion Ranking
Pro Privacy focused
Pro Has TOR built-in
Use the Internet anonymously and circumvent censorship; all connections to the Internet are forced to go through the Tor network.
Pro Extra launchers
Comes with a taskbar launcher and the Pixel launcher.
Pro ARM Virtualization
Like android-x86, it comes with ARM virtualization support, so you can run many Android ARM apps on your x-86 device.
Pro Google Play Store
Google Play Store is installed by default.
Pro Rooted with a few clicks
Similarly to android-x86, it's rooted with just a few clicks, thus allowing the use of AdAway and other Ad Blockers.
Con Not for daily use
Tails is a privacy focused Linux distro. The updates that you will receive are only for improving privacy and not for improving user experience.
Con Saved states are not present for security
For security reasons, saved states are not supported in Tails. Files can be stored in a separate, persistent volume which must be accessed with a root password. Personal settings (e.g. -- keyboard layout, window settings, etc.) are not saved persistently across reboots. This can be a hindrance for anyone not using English as their language, or not using a QWERTY keyboard layout.
Con You can't install it to a hard drive
Con Slow internet
Tails uses the TOR network and as a result the internet on your computer will be very slow.
Con Limited hardware support
Like android-x86, it has limited hardware support.