Research from Flurry confirmed that Christmas 2011 was dominated by smartphones and tablets, with the result that 242m apps were downloaded on the big day and 1.2bn across the holiday week of December 25th-31st.
It's the first time app downloads have passed 1bn in a week, said Flurry.
By comparison the stats say that an average of 750m apps downloaded per week earlier in December. That's a 60 per cent jump.
The US consumer did the most downloading at 509m, followed by China (99m), and the UK (81m).
ME has more details.