01
Ask the document
Get answers grounded in the book, with page references that bring you back to the source.
“A balancing loop seeks a goal…”p. 76
Your reading, made clearer
Read beyond
the page.
Reader++ turns PDFs and EPUBs into a space for understanding. Ask grounded questions, follow ideas, and build study material without leaving your book.
Designed for iPhone and iPad · iOS 18 or later
LibraryM
CONTINUE READING
Thinking in Systems
Chapter 4 · Feedback loops
✦
ASK YOUR BOOKHow do reinforcing loops shape behavior?
Grounded in pages 74–76
ExplainQuiz meExplore
∞
CONCEPT JOURNEYFeedback → resilience
✓
QUICK CHECK3 of 3 understood
A more active way to read
Stay with the idea.
Reader++ keeps every tool close to the text, so curiosity does not interrupt your focus.
02
Look closer with Lens
Understand a figure, equation, chart, or photographed page in context.
03
Follow concept journeys
Move from one idea to the next while Reader++ keeps the path and source material connected.
04
Turn reading into recall
Create adaptive quizzes and review explanations from the material you are already reading.
CHECK YOUR UNDERSTANDING
What makes a feedback loop reinforcing?
A change amplifies further change
A goal corrects every deviation
Private by design
Your library is yours.
Your documents and reading library live on your device. Reader++ sends only the material needed to complete an AI request, and operational analytics never include your document text, questions, or generated answers.
- No advertising profiles
- No sale of personal information
- No cross-app tracking
Available on the App Store