# OpalReader-AI Powered Reading — AI Reader: EPUB, PDF & Books

> AI Reader: EPUB, PDF & Books (iPhone/iPad app by 天一 刘.)

- Source: https://appshunter.io/ios/app/opalreader-ai-powered-reading/id6808156171 (this page in markdown: same URL + `.md`)
- Developer: [天一 刘](https://appshunter.io/developer/6803313570)
- Category: Books, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 29 MB
- Languages: American English
- Released: 2026-09-18
- Data updated: 2026-09-30
- User reviews in markdown: https://appshunter.io/ios/app/opalreader-ai-powered-reading/id6808156171/reviews.md

## What is OpalReader?

OpalReader is a next-generation reading app engineered for deep thinkers, students, and language learners. Combining elegant typography with context-aware AI, OpalReader helps you master foreign literature, research papers, and complex books with unprecedented clarity.

KEY FEATURES:

• Contextual AI Reading Assistant
Ask your book anything. OpalReader understands the context of the entire book, providing deep insights, character analysis, and conceptual breakdowns—complete with precise page and source citations.

• In-line Bilingual Parallel Reading
Read foreign books with ease. Seamlessly display AI-powered parallel translations right inside your text without switching between apps or dictionaries.

• Comprehensive Chapter Summaries
Transform dense chapters into structured, long-form summaries. Capture core arguments, logical breakdowns, and key takeaways in your preferred language within seconds.

• Intuitive Annotations & Thoughtful Notes
Highlight key insights with vibrant color palettes, elegant underlines, strikethroughs, and margin notes. Review all your thoughts in an organized outline.

• Tailored Typography & Comfort
Customize your reading canvas with precision controls for font size, line spacing, margins, and typography (Serif, Sans-Serif, Monospace). Fully optimized for dark mode and eye-comfort reading.

• Universal Format Support & Cloud Sync
Read all your favorite books in EPUB, PDF, TXT, and Markdown. Keep your library, progress, and highlights safely synchronized across your devices.

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OPALREADER PRO SUBSCRIPTION & PRICING:

Core reading features (importing books, offline reading, typography customization, highlighting, and local library management) are completely free with no sign-in required.

Upgrade to OpalReader Pro to unlock all advanced AI features (AI Contextual Chat, AI Bilingual In-line Translation, Comprehensive Chapter Summaries) and Cloud Synchronization.

We offer two auto-renewing subscription options:
• Monthly Plan: $2.99 / month
• Annual Plan: $23.99 / year (equivalent to $1.99 / month, save ~33%)

(Note: Pricing may vary slightly by region due to local taxes and currency conversions.)

Subscription Terms:
• Payment will be charged to your Apple ID account at confirmation of purchase.
• Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current billing period.
• Your account will be charged for renewal within 24 hours prior to the end of the current period at the rate of the selected plan.
• Subscriptions may be managed or cancelled anytime by going to your App Store Account Settings after purchase.

Terms of Use (EULA): https://opal-reader.vercel.app/terms
Privacy Policy: https://opal-reader.vercel.app/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| OpalReader pro monthly | $2.99 | per month |
| OpalReader pro yearly | $23.99 | per year |



## Version history (last 1 release)

### 1.0 — 2026-09-19

No release notes.

## More apps by 天一 刘

- [Leno - AI Study & Exam Prep](https://appshunter.io/ios/app/leno-ai-study-and-exam-prep/id6803364297)
- [LensMind - Intelligent Photos](https://appshunter.io/ios/app/lensmind-intelligent-photos/id6808531955)

All apps by 天一 刘: https://appshunter.io/developer/6803313570

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-30.*