When comparing Puffin vs Polarity Browser, the Slant community recommends Puffin for most people. In the question“What are the best desktop web browsers?” Puffin is ranked 38th while Polarity Browser is ranked 40th. The most important reason people chose Puffin is:
Games and videos. Most mobile browsers don't support it.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Renders Flash
Games and videos. Most mobile browsers don't support it.
Pro Seriously fast
In tests performed by PhoneArena, Puffin consistently outperformed any other browser both on synthetic JavaScript speed tests as well as real world cold page loads.
Pro Optional touchpad and cursor
Some websites require hover.
Pro Data savings
Puffin servers can compress pictures before you download them for faster page downloads and data savings for capped data plans.
Pro Loads banned websites
It loads websites which other browsers don't.
Pro Built-in reading mode
Reading mode allows removing everything on a page but the content. It removes ads, styling and anything else that could get in the way of a comfortable reading experience.

Pro Fast and lightweight
According to their own tests Polarity takes up more than 10x less memory than IE, FF or Chrome.
Pro Multi-session browsing with Parallel Sessions
Parallel Sessions allows users to browse the web with different profiles with separate cache, cookies, and history. This enables users to login to multiple accounts to different websites like Facebook.
Pro Built-in privacy features
Polarity browser comes with ad block and Do Not Track built in.

Pro Customizable UI
It allows you to customize many things from window color, tab color and text color to window transparency and border size. You can set Background image or use Shuffle from Bing. You can also save the theme, import and export it.
Pro Custom Developer tools
Polarity comes with the standard Inspector for Blink based browsers along with its custom client that works with both Trident and Blink.

Pro Great HTML5 support
Polarity scores 512/555 on the HTML5 test. It is just a couple of points shy of Google Chrome.
Cons
Con Logs browsing history
According to their privacy policy, they log the URLs of all websites visited by their users.
Con No apple mobile version
There is an Android version, but no iOS and ipadOS version yet. Iphone and ipad users are out of luck for that time being.
Con Poor privacy
Con No adblocker
It doesnt have a adblocker unlike the pro version.
Con Blocked in some countries
Puffin is blocked in China, Saudi Arabia and United Arab Emirates.
Con Rendering flash has ads

Con Few annoyances left unchecked
The browser has a couple of bugs such as where extensions are not actually ran after installation despite a notification stating that they are.

Con Windows and Android only
No Linux, OSX or iOS version available.
Con Unstable and frequent crashes
Though the browser is really lightweight and lightning fast, it crashes many times and is clearly unstable.
Con Uninstallation problems
Polarity browser can only be uninstalled with a built-in deinstallation tool. This is very impractical.
