How many reading apps have AI recaps, story Q&A or character chat?

01The interactive features, counted

Fig. 1. Count of the 30 apps whose own listing or help pages describe each feature, checked 4 November 2026. Partial matches (for example answers drawn only from your own notes) are counted separately in the full study. Source: Recap and spoiler-safety features in 30 reading apps.

The 30 apps include ebook and audiobook stores (Kindle, Apple Books, Google Play Books, Kobo, Audible, Spotify, Everand, Libro.fm, Libby, Hoopla, Storytel, NOOK), trackers (Goodreads, The StoryGraph, Hardcover, Fable, Literal, Bookly, Basmo, BookBuddy, Bookmory, Book Tracker, Readory, Slovo), reading tools (Readwise Reader, Readwise Books, Speechify, Blinkist), and the recap and club apps Magic Bookmark and Thus Far.

02How page-locked features know where you are

• Inside the store (Kindle, Google Play Books, Spotify). The app already knows your exact position because you read or listen in it. Kindle's Ask this Book answers "up to your current reading position", with an option to ask about the whole book. Spotify says Recaps cover "only the portion of the book you've already heard". Google says Book insights only references the text up to your current reading position.
• Outside the store (Magic Bookmark). It does not contain the book. You give it your place with a photo of the page, a typed page number, or the last words you heard, and its recap, cast list and character chat stop there.
• From your own notes (Basmo). Its "Ask the book" answers come "drawn from your own notes", and its Recap turns your notes into a short listen.
• General documents (Readwise Reader). Ghostreader can "ask questions, define terms, simplify complex language"; spoiler handling is not described.

03The four place-limited recaps compared

Of these four, 3 cover ebooks, 2 cover audiobooks, and 1 (Magic Bookmark) covers print books.

04Labelled AI in social reading

Thus Far adds eight "Book Buddies" that post at each chapter; the app says they are "generated by Thus Far and labelled as Book Buddies on every post and profile", and one switch turns them off. See our Thus Far profile.

05Authors and publishers

Spotify lets publishers switch Recaps off for all or specific titles and says it is "not using audiobook content for LLM training purposes or voice generation". Google says some books are not eligible because "the publisher hasn't enabled the feature". The Authors Guild raised concerns about Kindle's Ask this Book, saying the feature was added without permission and that "so far there is no way for publishers or authors to opt their books out" (statement last modified 7 January 2026). More in Are AI reading companions fair to authors?

06Privacy labels of the AI-feature apps

All 30 apps publish an App Store privacy label; 12 list data used to track you. Among the apps with Yes or Partial AI features, Magic Bookmark, Basmo, Spotify, Thus Far and Blinkist list tracking data; Kindle, Google Play Books and Readwise Reader do not. Our privacy label table shows what each category means.

07Method and limits, in brief

• Primary sources only: App Store and Google Play listings, makers' help pages, blogs and newsrooms, each read on 4 November 2026 with a US storefront.
• "Not published" means the maker's own materials do not describe a feature. It is not proof the feature is absent.
• A count of features is not a measure of quality or accuracy. We did not test any app hands-on.
• The full dataset (CSV and JSON), all 30 rows, and the complete method and limitations are in the canonical study.