ReadUnbound: Read Native Books

Love books, but finding reading native novels an exhausting chore?

Most language apps keep you trapped matching pictures to basic words. ReadUnbound is engineered for non-native readers (A2 to C1) ready to conquer the vast world of books, novels, and articles written for native speakers, without dictionary fatigue.

Powered by Second Language Acquisition (SLA) science and adaptive AI, ReadUnbound turns reading into effortless vocabulary mastery. Read compelling stories calibrated precisely to your CEFR level, 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 and exercises. Enjoy a vast library of pre-cached content completely free. For real-time lookups and on-the-fly custom generations, you can either bring your own API key (OpenAI, Gemini, Anthropic) for free, or upgrade to Pro for instant, zero-setup AI access.

WHY READ UNBOUND IS DIFFERENT

1. FROM GRADED TEXTS TO UNABRIDGED CLASSICS
Stop reading sanitized classroom dialogues. Experience world-famous literature adapted across CEFR reading levels, allowing you to build up your vocabulary until you can read the authentic author's voice unaltered.
• Read concise, engaging 200-word excerpts across themes: Sci-Fi, Business, Mystery, Fantasy, Daily Life, and Tech.
• 1-Tap Inline Harvesting: Tap any word while reading to reveal instant level-appropriate definitions and add it straight to your review track.
• Dynamic AI Search: Prompt the AI for custom stories or word lists.

2. BUILT FOR THE INTERMEDIATE PLATEAU
Designed specifically for learners who have outgrown basic flashcards and want to read fiction, work in professional environments, or conquer advanced exams (IELTS, TOEFL, GRE).

3. THE DAILY FLOW & 3-TIER REPETITION LADDER
Never wonder what to study next. Our automated Spaced Repetition System (SRS) sequences your daily queue up a 3-tier cognitive ladder:
• Tier 1 Receptive: Definition Matching & Fill-in-the-Blanks.
• Tier 2 Structural: Spelling drills and Synonym/Antonym classification.
• Tier 3 Productive: "Write Definition", ""Make a Sentence" with real-time AI evaluation.

4. SMART DEEP PRACTICE, RECOVERY DRILLS & CRAM MODES
Turn your weak points into your fastest breakthroughs:
• Automated Failure Isolation.
• Hyper-Targeted Recovery Drills: Cl