Readwise launches app to challenge Kindle ecosystem

The app tracks reading sessions with metrics like pace and immersion, aiming to improve reading habits through measurable progress. It supports millions of ebooks from major publishers, includes print and audiobooks, and enables AI features such as definitions, translations, and session recaps via partner publishers. Open APIs allow third-party developers to build AI tools using user data.

Summarised from the original article by an open-source model, then checked automatically: every number and English name must appear in the source. The original article is authoritative.