from Hacker News

From the 27th of November till the 3th of December Quiet is available with a discount.

From $2,99 to $0,99

Quiet is a content blocker for Safari on macOS and iOS that let you block all kinds of annoyances. Blocks: Facebook, LinkedIn, Twitter, Instagram, Pinterest, Google Plus, Tumblr, Share buttons, Chat bubbles, Coin Miners, Comments, Relevant (mostly fake) content, Fonts (helps fast loading)

iOS: https://itunes.apple.com/app/quiet/id1441525386?mt=8&at=1001lQc3&ct=ac19

macOS: https://itunes.apple.com/app/quiet/id1441525727?mt=12&at=1001lQc3&ct=ac19