TapLex vs mBooks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TapLex
This app uses AI to help you understand foreign language books. It provides contextual definitions, breaks down complex sentences, and saves new vocabulary for review. Enjoy a personalized reading experience with adjustable layouts and offline access.
- AI contextual word definitions
- Grammatical sentence breakdown
- Smart vocabulary builder
- EPUB format support
- Offline reading
- Customizable reading layout
- Cross-device sync (Premium)
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Transform the way you read and learn languages with TapLex. Reading foreign language books shouldn't be a struggle of constantly switching to a dictionary app. TapLex is a powerful, beautifully designed e-book reader infused with cutting-edge AI technology, designed specifically for language learners, students, and avid readers. Unlike standard dictionaries, our AI doesn't just translate words—it understands the context. Whether you are tackling a complex novel or a professional document, TapLex acts as your private reading tutor. CORE AI FEATURES: • Contextual interpretation: No more rote memorization of dry dictionary entries. Simply select an unfamiliar word or phrase, and AI will analyze the surrounding text to provide the most precise, contextually relevant definition. • Grammatical Breakdown of Complex Sentences: Struggling to decipher sentences with intricate structures? With a single tap, AI analyzes the grammatical framework and key phrases, delivering an accurate, context-aware translation of the entire sentence. • Smart Vocabulary Builder: Any new words encountered during reading—along with their AI-generated definitions and original context—are automatically saved to a built-in vocabulary list, making it easy to review and reinforce your learning later.• Smart Vocabulary Book: New words encountered while reading, along with AI definitions and the original context, can be automatically saved to the built-in vocabulary book for easy review and reinforcement later. PREMIUM READING EXPERIENCE: • Format support: Perfectly parses and renders EPUB format documents (more formats will be supported in the future). • Favorites, Notes, and Vocabulary: Supports highlighting and annotation, allowing you to record your reading insights and inspirations anytime. • Personalized Layout: Freely adjust fonts, font sizes, line spacing, and background colors (including Dark Mode) to protect your eyesight. • Pure Local Reading: Files are processed locally on your device, ensuring you can read without interruption—even in offline environments. • Cross-Device Sync: Synchronize your library, reading progress, and data across multiple iOS devices (requires Premium). • Table of Contents Navigation, Bookmarks, Full-Text Search, Deep Reading Features... Discover even more awaiting your exploration. Stop translating. Start understanding. Download TapLex and elevate your reading journey! Privacy Policy: https://cool-web.win/taplex-en.html#privacy Terms of Service: https://cool-web.win/taplex-en.html#terms
mBooks
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A minimal, focused reader for your PDF and EPUB books. mBooks keeps reading clean and puts your highlights first. Select any passage, highlight it in the color you choose, and your highlights stay safe — they sync to your account and reappear on every device, even after you sign out and back in. Features: • PDF and EPUB support: Read your entire library in one simple app. • Cloud-Synced Highlights: Never lose a note. Highlights sync to your account and reappear on any device. • Offline First: Read and highlight anywhere. Sync automatically when you reconnect. • Minimalist Design: A clean interface focused entirely on your reading. • Custom Colors: Choose your preferred highlight color to personalize your experience. • Privacy: Your book files stay on your device. Only your highlights are synced to your private account. • Focused reading: A quiet reader experience built around your books and highlights. Import a PDF or EPUB and start reading with mBooks.
Screenshots
Verdict
The clearest difference is in-app purchases: mBooks at none against TapLex's 2. mBooks also leads on iOS requirement (13.0 vs 17). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. TapLex sells 2 in-app purchases, starting at $2.99 per month. mBooks asks for nothing beyond the download.
TapLex ships an update every 8 days, mBooks every 9 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | TapLex | mBooks |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 days — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17 | 13.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 65 MB |
| Age rating | 17+ | 12+ |
| Developer | 伟 胡 | Anshika Maurya |
In-app purchases
TapLex
- TapLex Premium 1 Month7 Days trial$2.991 Month
- TapLex Premium 12 Months1 Month trial$19.991 Year
mBooks
No in-app purchases









