Comparison

MDict vs MDX Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MDict

This open platform dictionary app supports multiple languages and allows users to download various pre-built dictionary data. It offers fast lookups, rich text content, pronunciation, search history, and in-page search capabilities.

Highlights
  • Multi-language support
  • Downloadable dictionary data
  • Fast lookup and loading
  • Rich text content
  • Pronunciation support
  • Favorites and search history
Features
Read full description

MDict is a dictionary that support multi-language. It dosen't bundle with dictionary data. But it's a open platform that you can download many pre-built dictionary datas by others. Key features include: 1. Very fast lookup speed and dictionary loading speed. You can switch dictionary instantly. 2. Support rich text formated content 3. Pronunciation support. Currently with English, French, Portuguese, Chinese, Japanese.(Chinese/Japanese pronunciation support are limited) 4. Favorites and Search history 5. Supports in page search

About

MDX Reader

This app allows you to build and manage your personal dictionary using MDX/MDD files. It offers powerful offline search, smart favorites, and customizable appearance for a personalized reference experience.

Highlights
  • Unlimited dictionary management
  • Fast full-text search
  • Smart favorites for saved words
  • Customizable appearance
  • Offline functionality
  • Cross-dictionary search
Features
Read full description

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!

Screenshots

MDict4 screens
MDX Reader4 screens

Verdict

The call

The clearest difference is rating: MDX Reader at 5.0 against MDict's 4.1. MDX Reader also leads on update cadence (every 11 days vs every 3 months). MDict's advantage is in-app purchases (none vs 1) and ratings volume (32 vs 1). On price, ads and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MDX Reader sells 1 one-off in-app purchase. MDict asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MDX Reader holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: MDict has 32 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

MDict ships an update every 3 months, MDX Reader every 11 days. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 4 level
MDict versus MDX Reader: the parameters behind the verdict, then further details
ParameterMDictMDX Reader
PriceFreeFree
Rating4.1 (32 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews—
Number of ratings32 — better1
Update frequencyEvery 3 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size27 MB9 MB
Age rating4+4+
Developer文伟 张Yulei Duan

Customer experience

MDict

All ratings32 ratings
Positive78.1%
Neutral9.4%
Negative12.5%
Written reviews124 reviews
Positive75.0%
Neutral8.9%
Negative16.1%

MDX Reader

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

MDict

Reported bugs

34 issues
  • Appearance settings reset on macOS
  • UI misalignment in appearance settings
  • Full-text search missing on mobile
  • Daylight mode not working at night
  • Cannot add custom fonts to iOS version
Show 29 more
  • App crashes frequently on Mac
  • App crashes on launch (older reviews)
  • Audio not working after iOS updates
  • Clipboard not working in floating mode
  • Search bar behavior requires back button
  • Auto-lookup clipboard not working in floating window
  • Group function invalid format on iPhone
  • Sharing section not working
  • MDict floating window blank when looking up words in Instapaper
  • Cannot search from right sidebar on iPad
  • Sound not working
  • Sound not working after upgrading to new version on iOS 9.1
  • Multi-dictionaries lookup not working
  • Auto lookup clipboard not working in floating window
  • Group function does not work on iPhone
  • Sharing section not working
  • MDict's pop out window is always blank and cannot provide any definition when looking up words in Instapaper
  • Cannot search a word from right sidebar on iPad
  • Sound not working
  • Sound wasn't work after upgrading to new version on IOS 9.1
  • Multi-dictionaries lookup cannot work
  • Audio problems solved (older review, implies it was an issue)
  • Cannot search clipboard content on iOS 5
  • Dictionary sorting gets messed up after upgrades
  • Shows 'pirated' status despite payment
  • Clicking on dictionary name triggers unwanted search
  • Russian Wikipedia search not recognizing Russian input
  • Font corruption when loading some dictionaries
  • App crashes when using notification bar shortcut

Requested features

22 requests
  • Full-text search on mobile
  • Custom font support for dictionary entries
  • Add fonts to iOS version
  • Dark mode
  • Add collection folders
Show 17 more
  • Login and sync function
  • Fix clipboard auto-lookup in floating window
  • Fix search bar behavior
  • Support more extensions (.BGL, .LD2)
  • Improve Mac version shortcut functionality
  • Add test function
  • Add support for .mdd downloads on iPhone
  • Add scroll bar
  • Add dict shortcut button in main window
  • Improve file reader support
  • Add simplified/traditional Chinese conversion for search
  • Allow full screen on iPhone
  • Font selection memory
  • Improve configuration for dictionary grouping backup
  • Support for iPhone 6/6 Plus
  • Allow scrolling down precedents near a keyword
  • Multi-dictionary lookup convenience

MDX Reader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MDict

No in-app purchases

1 purchases

MDX Reader

One-time1
  • MDX Premium (Lifetime)$3.99

Questions

Is MDict free?
MDict is free to download, with no in-app purchases.
Is MDX Reader free?
MDX Reader is free to download, with in-app purchases available.
Which has better reviews, MDict or MDX Reader?
MDX Reader is rated higher. MDict averages 4.1 out of 5 from 32 ratings, while MDX Reader averages 5.0 from 1 ratings.
Do MDict or MDX Reader have ads?
Neither MDict nor MDX Reader shows ads.
Which is updated more often, MDict or MDX Reader?
MDict ships an update every 3 months, and MDX Reader every 11 days. Most recently, MDict was updated on September 21, 2026 and MDX Reader on September 20, 2026.

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