Twelve reading companions, one for every page.

The twelve reading companions in IO reader
Reading companion What it does
Interpreter Rewrites the passage to match your reading profile and style preference.
Critical Thinker Surfaces hidden assumptions and second-order implications in the text.
Translator Translates the passage into your chosen language with native-speaker naturalness.
Historian Contextualizes the passage in its historical and cultural moment.
Philosopher Surfaces the philosophical question or tradition embedded in the text.
Psychologist Analyzes character motivations, emotional patterns, and psychological dynamics.
Rhetorician Dissects the author's craft — word choice, rhythm, and rhetorical devices.
Questioner Asks escalating questions to challenge your assumptions about the passage.
Vocab Coach Picks notable words, defines them in context, and gives memory hooks.
Quiz Master Generates comprehension, inference, and open-ended questions to test understanding.
Note-Taker Produces a structured study note: Key Idea, Detail, Key Quote, Why It Matters.
Futurist Connects the passage's core idea to a present-day or future implication.

One free library. Twelve ways to read it.