Amazon Prime Video plans to raise the price of its ad-free plan, Ultra, to $4.99 per month, and add support for up to five simultaneous streams, from April 10 (Emma Roth/The Verge)

Emma Roth / The Verge: Amazon Prime Video plans to raise the price of its ad-free plan, Ultra, to $4.99 per month, and add support for up to five simultaneous streams, from April 10   —  The revamped Prime Video ‘Ultra’ tier will cost $4.99 per month and come with ‘exclusive’ access to 4K streams.