Amazon Rebrands Kindle Unlimited to Kindle Plus and Adds Audiobooks
Amazon has rebranded its Kindle Unlimited subscription service to Kindle Plus in the United States while keeping the monthly price at $11.99. The update introduces thousands of new audiobooks, including AI-generated works via Virtual Voice technology. This rebranding and feature expansion reflects Amazon's effort to integrate audio content deeper into its core reading subscriptions. However, incorporating AI-generated narrations also highlights ongoing industry debates regarding synthetic voice quality versus traditional human narration. Subscribers maintain their existing privileges, such as borrowing up to 20 titles simultaneously without fixed return deadlines. The new audiobooks source content from both traditional sources like ACX and automated Virtual Voice generation for independent authors.
## BACKGROUND
Audiobook Creation Exchange (ACX) is an online marketplace launched by Audible that connects authors, publishers, and rights holders with professional narrators and studios. Virtual Voice is a tool allowing self-published authors to automatically convert written text into audiobooks without hiring human voice actors.