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  • ReadUnbound: Advanced Reader screenshot 1
  • ReadUnbound: Advanced Reader screenshot 2
  • ReadUnbound: Advanced Reader screenshot 3
  • ReadUnbound: Advanced Reader screenshot 4

About ReadUnbound: Advanced Reader

Love reading, but find dense books, foreign literature, or heavy technical documents an exhausting chore? Studies show you need 3,000 most-frequent words for 95% comprehension and 6,000 more to unlock effortless, 98% native-level reading. ReadUnbound smooths out that climb. With calibrated scaffolding and advanced learning tools, it bridges the vocabulary gap naturally in flow—guiding you toward native fluency without dictionary fatigue. Most language apps keep you looping through entry-level drills and tourist phrases. ReadUnbound takes over where introductory apps stop. Powered by Second Language Acquisition (SLA) science and adaptive AI, ReadUnbound turns reading into effortless vocabulary mastery. Read compelling stories calibrated precisely to your reading level, import your own documents, tap unfamiliar words to harvest them instantly, and let our intelligent Daily Flow guide you to total mastery. TRANSPARENT AI INTEGRATION ReadUnbound uses AI to craft contextual stories, breakdowns, and exercises. Browse pre-cached content for free. For real-time lookups and custom docs, bring your own API key (OpenAI, Gemini, Anthropic) or upgrade to Pro for zero-setup access. WHY READUNBOUND IS DIFFERENT 1. READ WHAT YOU LOVE & IMPORT YOUR OWN Skip generic textbook dialogues. Read adapted world literature across CEFR levels, or import your own materials: • Curated Excerpts: 180–220 word reads across Sci-Fi, Business, Law, Medicine, and Classics. • EPUB, PDF & Text Import: Import books, papers, or legal briefs to target specialized terminology. • 1-Tap Harvesting: Tap any word for instant, level-appropriate definitions and add it directly to review. 2. DEEP LEXICAL ANALYSIS & ANATOMY Move beyond static flashcards: • Select-to-Explain: Highlight any phrase or sentence for full-sentence meaning plus word-by-word syntactic breakdowns. • Compare Words: Deconstruct subtle differences between synonyms. • Word Anatomy: Definitions, real-world examples, Latin roots, CJK radical decomposition. 3. 3-TIER SRS Strengthen recall through progressive exercises and spaced repetition. • Tier 1 Receptive: basic recognition • Tier 2 Structural: reinforce word form and structure • Tier 3 Productive: construct original sentences, graded by AI. 4. CRAM MODES & TARGETED DRILLS • Exam Prep: Targeted sprints for SAT, GRE, GMAT, TOEFL, IELTS, USMLE, and Bar Exam. • Weak-Point Recovery: Clear bottlenecks with rapid 1–3 minute micro-drills. 5. PREDICTIVE FLUENCY INSIGHTS • Linguistic Velocity: Track words moving from recognition to active production. • Recall Latency: Measure retrieval speed down to the millisecond. 6. 70+ LANGUAGES & ADAPTIVE SCAFFOLDING • L2 Immersion: Target-language definitions for direct immersion. • L1 Scaffolding: Toggle native-language previews whenever you need quick clarity. FAIR MONETIZATION: • Pro Subscription: Unlimited AI, all-inclusive, zero setup. • Lifetime Pass (BYOK): Pay once, own the app forever. Use your own OpenAI, Gemini, or Anthropic API key with zero AI markup. • Free: Core spaced repetition, curated excerpts, and quick-paste sampling. Graduate from basic apps. Master words by reading with ReadUnbound today! Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://derekcool.github.io/privacypolicy.html

What’s new

Version 3.6.0 · Updated October 27, 2026

Improve performance. New stats board.

App privacy

The developer, Honghai Gu, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Location: Coarse Location
  • Identifiers: User ID, Device ID
  • Usage Data: Product Interaction
  • Diagnostics: Crash Data

Used for: Analytics, Product Personalization, App Functionality

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