$322m was spent in Apple's App Store on New Year's Day 2019

"Apple has revealed that App Store customers worldwide set new spending records over the holidays, wrapping up a record-breaking year. App Store spending topped $1.22 billion (€1.07bn) between Christmas Eve and New Year’s Eve. Customers also spent over $322 million on New Year’s Day 2019 alone, setting a new single-day record.
“The App Store had a record-breaking holiday week and New Year’s Day. The holiday week was our biggest week ever with more than $1.22 billion spent on apps and games, and New Year’s Day set a new single-day record at more than $322 million,” said Phil Schiller, Apple’s senior vice president of Worldwide Marketing. “Thanks to the inspiring work of our talented developers and the support of our incredible customers around the world, the App Store finished off an outstanding 2018 and kicked off 2019 with a bang.”"

Source:  Advanced Television, 4th January 2019