# ReadUnbound: Read Native Books — Master Vocabulary in Context

> Master Vocabulary in Context (iPhone/iPad app by Honghai Gu.)

- Source: https://appshunter.io/ios/app/readunbound-read-native-books/id6743079025 (this page in markdown: same URL + `.md`)
- Developer: [Honghai Gu](https://appshunter.io/developer/755671888)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 84 MB
- Languages: American English
- Released: 2025-06-05
- Data updated: 2026-09-09
- User reviews in markdown: https://appshunter.io/ios/app/readunbound-read-native-books/id6743079025/reviews.md

## What is ReadUnbound?

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: Clear localized bottlenecks with rapid 1–3 minute micro-loops.
• 3 Flexible Cram Modes: Manual SRS overrides for high-stakes test prep (IELTS, TOEFL, USMLE, NCLEX) by Tier, Drill Count, or Timed Pomodoro Sprints.

5. PREDICTIVE FLUENCY ANALYTICS
Track your cognitive automaticity with data-driven psycholinguistic insights:
• Linguistic Velocity Charts: Watch vocabulary migrate from recognition to active production.
• Mastery Tracking: Track the velocity of your words mastery.
• Recall Latency Tracking: Measure your retrieval speed.

6. MULTI-TRACK PARALLEL LEARNING
Organize your learning by domain or language without cross-contamination:

7. 70+ LANGUAGES & NATIVE TRANSLATION SCAFFOLDING
• Direct Method Immersion (L2 → L2): Default target-language-to-target-language learning for true cognitive immersion.
• Beginner Scaffolding: A1–B1 learners can toggle native language (L1) translation previews for instant semantic anchors.

FAIR MONETIZATION: PRO OR BYOK

We believe in flexible, transparent pricing tailored to how you learn:
• Pro Subscription (All-Inclusive): Zero setup required. Unlimited AI.
• Lifetime Pass (BYOK): Pay once, own the workspace forever. Bring Your Own API Key (Google Gemini, OpenAI, Anthropic) with zero AI markups from us.
• Free Standard Tier: Core spaced repetition practice, limited daily stories.

Graduate from basic apps. Build authentic reading fluency and active mastery with ReadUnbound today!

Terms of service:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Privacy Policy
https://derekcool.github.io/privacypolicy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| World of Example Monthly Plan | $7.99 | per month |
| World of Example Yearly Plan | $49.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 500 Tokens | $0.99 | one-time |
| 15000 Tokens | $19.99 | one-time |
| 5000 Tokens | $7.99 | one-time |



## Version history (last 5 releases)

### 3.1 — 2026-09-07

- Masterpiece excerpts from world class literatures.
- Many improvements to make learning smoother.

### 3.0 — 2026-08-28

Completely redesigned to include stories, effortless learning and more AI options including BYOK.

### 2.0 — 2025-12-04

New roots exploration.
Fixed token purchase.

### 1.9 — 2025-11-08

- Sign-in with Apple or Google
- More review practices
- Fix bugs.

### 1.8 — 2025-10-23

- Continue learning last study list.
- Keep track of learned words.
- New scoring system
- Learned words thresholds.

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## More apps by Honghai Gu

- [Battleplanes](https://appshunter.io/ios/app/battleplanes/id755671885)
- [Optactic: Option Strategy Tool](https://appshunter.io/ios/app/optactic-option-strategy-tool/id1574506138)
- [Video Figure: Gesture Drawing](https://appshunter.io/ios/app/video-figure-gesture-drawing/id1585471330)
- [JD Flashcards](https://appshunter.io/ios/app/jd-flashcards/id1608070082)
- [Recipes123](https://appshunter.io/ios/app/recipes123/id6475640022)

All apps by Honghai Gu: https://appshunter.io/developer/755671888

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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 2026-09-09.*