118 per cent increase year-on-year.
Adobe has recently had a keen eye on mobile by offering stats that show Christmas shopping via mobile will spike in Europe, while introducing new marketing services.
The company now finds that a record 24 per cent of online sales during Thanksgiving Day and Black Friday came from smartphones and tablets.
The quarter of all e-commerce sales during the period may not sound overwhelming, but it's a 118 per cent growth year-on-year.
iOS devices powered over $543 million in online sales, with the iPad taking a 77 per cent share to demonstrate how important Apple tablets are for shopping.
Meanwhile, Android devices accounted for $148 million in online sales – 4.9 per cent of mobile sales – with a respective smartphone and tablet breakdown of $106 million and $42 million.
Overall, 15.6 per cent of mobile sales came from tablets and 8.6 from smartphones.
Tamara Gaffney, principal analyst, Adobe Digital Index, Adobe, said: "Online shopping data shows that consumers took full advantage of their mobile devices to shop on Thanksgiving Day and 'omnishop' while in stores on Black Friday.
"In an attempt to play every angle possible, retailers poured money into new mobile capabilities by adding Wi-Fi to key stores, expanding mobile app offerings, and optimising websites for easier transactions from small screens. The results were record online sales driven by tablets and smartphones this year."
The data is taken from around 400 million visits to over 2,000 US retail websites on Thanksgiving and Black Friday.
Amazon, iPad, NFL and PS4 were among brands to secure social media buzz, with the Kindle maker mentioned in around 450,000 posts, while PS4 accounted for three times more social media traffic on Facebook, Twitter, Tumblr and YouTube than the Xbox One.