MIT reader
Free
Free app; books and external model costs separate
- Included scope
- Reading, highlights, Markdown export and local voice
Readr
● Identity checkedBook readers with AI margin questions · Official-source review 2026-10-09
Readr reads DRM-free EPUB, PDF and Markdown files and answers questions in the margins with book citations. It turns highlights into editable articles and provides on-device reading voices.
- Category
- Book readers with AI margin questions
- Free access
- Free, MIT-licensed reader with no Readr account or subscription. Selected external model providers have separate costs.
- API access
- Direct user-supplied AI keys, supported sign-ins and Mac Ollama are documented; a hosted Readr API was not verified.
Is Readr right for you?
A good fit for
Useful for readers questioning a book and keeping exportable highlights and notes.
Before you choose
Available for iPhone, iPad and Mac; the Mac build needs Apple Silicon. ChatGPT sign-in and local Ollama are Mac options. Answers may add outside knowledge beyond cited passages. Voice is on-device and needs no provider; AI questions can send book context to the selected provider. Example answer text was written for screenshots, not a demonstrated app answer.
Workflow and handoff
Import a book you may use, inspect citations and distinguish book evidence from outside explanation before exporting a derived article.
Pricing and practical limits
Available for iPhone, iPad and Mac; the Mac build needs Apple Silicon. ChatGPT sign-in and local Ollama are Mac options. Answers may add outside knowledge beyond cited passages. Voice is on-device and needs no provider; AI questions can send book context to the selected provider. Example answer text was written for screenshots, not a demonstrated app answer.
Review method
Official product evidence reviewed on 2026-10-09; product artwork inspected visually. No hands-on vendor application test was performed. Application performance, security claims and plan enforcement were not independently tested.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Product workflow | Readr reads DRM-free EPUB, PDF and Markdown files and answers questions in the margins with book citations. It turns highlights into editable articles and provides on-device reading voices. | Facts sourced | 2026-10-09 |
| Pricing and restrictions | Available for iPhone, iPad and Mac; the Mac build needs Apple Silicon. ChatGPT sign-in and local Ollama are Mac options. Answers may add outside knowledge beyond cited passages. Voice is on-device and needs no provider; AI questions can send book context to the selected provider. Example answer text was written for screenshots, not a demonstrated app answer. | Facts sourced | 2026-10-09 |
Understand the total cost
Readr pricing & plans
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OzBrainOzBrain shares structured knowledge among people and AI agents through connectors. Agents read and write linked articles with provenance and freshness, while teams can export their knowledge as Markdown.
Explore toolThe practical questions
Frequently asked questions
Was the application hands-on tested?
No. This listing is based on dated official-source evidence and a visual artwork check. Unconfirmed costs and restrictions are identified explicitly.
What is Readr used for?
Readr reads DRM-free EPUB, PDF and Markdown files and answers questions in the margins with book citations. It turns highlights into editable articles and provides on-device reading voices.
Does Readr have a free plan?
Free, MIT-licensed reader with no Readr account or subscription. Selected external model providers have separate costs.. This record lists ongoing free access; check the plan limits before starting.
How much does Readr cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Readr through an API?
Direct user-supplied AI keys, supported sign-ins and Mac Ollama are documented; a hosted Readr API was not verified.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Available for iPhone, iPad and Mac; the Mac build needs Apple Silicon. ChatGPT sign-in and local Ollama are Mac options. Answers may add outside knowledge beyond cited passages. Voice is on-device and needs no provider; AI questions can send book context to the selected provider. Example answer text was written for screenshots, not a demonstrated app answer.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Official product information
Current official product source read individually; product artwork inspected visually.
Read original source ↗Pricing review
Official product page reviewed for disclosed costs; unverified prices and allowances are identified in the listing.
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.