MDX Reader vs OpenMDict

MDX Reader is a powerful offline dictionary reading application that supports MDX/MDD format dictionary files. Whether you're learning a language, doing academic research, or need quick reference, MDX Reader is your ideal choice. Core Features • Unlimited Dictionaries Add and manage multiple MDX dictionaries simultaneously, supporting parallel queries across dictionaries for comprehensive information retrieval. • Powerful Search Engine Lightning-fast full-text search with instant results. Supports fuzzy matching and comprehensive indexing. • Smart Favorites One-tap to save important words, organized by dictionary for easy review and management. • Custom Appearance Personalize font family, size, weight, line spacing, padding, and background color. Create your ideal reading experience. • Offline First All dictionary data and search functionality work completely offline. No internet connection required, protecting your privacy. • Cross-Dictionary Search Simultaneously search multiple dictionaries and instantly view definitions from different sources. • Search History Automatically record search history for quick access to previously viewed content. Supported Formats • MDX (MDict Dictionary) Mainstream dictionary format with wide compatibility • MDD (MDict Resource) Supports images, audio, and multimedia resources Premium Features Unlock all features with a one-time purchase: - Unlimited dictionary additions (free version limited to 1) - Unlimited daily searches (free version limited to 20) - Custom appearance settings - Background color selection - Advanced font settings Free Trial New users get a 7-day free trial of all premium features. Experience the full functionality before deciding to purchase. Privacy First - No data collection - No user tracking - No third-party analytics - All data stored locally on device - Complete offline functionality Perfect For - Language learners: Support for multiple language dictionaries - Academic researchers: Professional terminology dictionaries - Translators: Quick reference and terminology lookup - Students: Comprehensive learning resource - Knowledge workers: Personal knowledge base Easy to Use 1. Add Dictionary: Import your MDX/MDD dictionary files 2. Search Words: Enter search terms for instant results 3. Manage Favorites: Save important content for easy review Download MDX Reader now and start your knowledge exploration journey!

OpenMDict is a free, open-source MDict (.mdx/.mdd) dictionary reader for iPhone and iPad. ► THREE LAYOUT MODES & MULTI-WINDOW ON iPadOS - View definitions from multiple dictionaries simultaneously in Columns, Grid, or List layout — compare and cross-reference at a glance. - Desktop-class productivity with multiple windows and 30+ keyboard shortcuts. ► POP-UP LOOKUP & JUMP SEARCH - Look up words from any app via the Action Extension pop-up. - Keep jump-searching unfamiliar terms within definitions until every word is clear. ► iCLOUD SYNC & UNLIMITED GROUPS - Dictionaries, bookmarks, history, and lookup counts sync across all your devices. - Import unlimited dictionaries and create unlimited groups — no subscriptions, no ads, no paid tiers. ► PRESET DICTIONARIES INCLUDED & DARK MODE ENHANCEMENTS - Choose from 64 curated open-source dictionaries (WordNet, JMdict, CC-CEDICT, and more) — download and start using them right away. - Enhance third-party dictionaries' readability in dark mode, with 7 levels of adjustable brightness per dictionary. ► AI COACH & VOCABULARY GAMES - Turn the English words you bookmark into four quick games, generated on your device by Apple Intelligence, with definitions from your own dictionaries. - Swipe to sort synonyms, antonyms, and look-alikes. - Spot the impostor words hiding among a word's true relatives. - Settle a daytime-TV-style paternity dispute: is this word really in the family? - Answer a game-show survey: name the words that share a category. - Requires iOS 26 or later and a supported device with Apple Intelligence turned on and set to a language it supports. ► MORE FEATURES • Full MDict format support: V1 (LZO), V2 (zlib), MDD resources, obfuscated dictionaries • Lemma-aware search — finds base forms and inflected variants automatically • Siri Shortcuts, Spotlight search, Quick Actions, Share Extension, Drag & Drop • Available in 13 languages: English, 简体中文, 繁體中文, 日本語, 한국어, Español, Deutsch, Français, Português (BR), Русский, Українська, العربية, हिन्दी