HeyReader: Book Assistant

HeyReader: Book Assistant

Define terms while reading

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Free

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Details

  • Released
  • Updated
  • July 22, 2026
  • September 1, 2026

Features

HeyReader: Book Assistant screenshot #1 for iPhone
HeyReader: Book Assistant screenshot #2 for iPhone
HeyReader: Book Assistant screenshot #3 for iPhone
HeyReader: Book Assistant screenshot #4 for iPhone
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About

While reading your physical book, ask HeyReader about any term you don't understand, and it answers out loud. That way you stay focused on the page. Using HeyReader: 1. Upload the PDF of your book 2. Pick up the physical copy and start reading 3. Whisper "Hey Reader" to ask questions, and hear answers *Answers come directly from the book’s pages. New terms or unknown symbols in your book send you to ChatGPT on your phone. Every switch makes it less likely you come back. (According to Microsoft and UC Irvine researchers, "it takes 23 minutes to resume an interrupted task”.¹) Answered questions from real sessions: “In Chapter 3, define a stack trace." - Pragmatic Programmer "Define analogous, Chapter 1." - Deep Learning "What's the name for the symbol that looks like a U in chapter 8?" - Deep Learning Terms of Use: https://tryreader.app/terms Privacy Policy: https://tryreader.app/privacy License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ¹ (Mark et al., CSCW 2015)
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What's New in HeyReader

1.23

September 1, 2026

Updated screenshots.