OpenMDict

OpenMDict

The Definitive MDict Reader

2 ratings
1 review
Free

Details

  • Released
  • Updated
  • April 8, 2026
  • July 1, 2026

Features

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About

This free, open-source dictionary reader allows you to view definitions from multiple dictionaries simultaneously. It offers pop-up lookup from any app and syncs your dictionaries, bookmarks, and history across devices via iCloud. Includes over 65 curated dictionaries to get you started.

Multiple layout modes (Columns, Grid, List)
Pop-up lookup via Action Extension
Jump search within definitions
iCloud sync for dictionaries and history
Import unlimited dictionaries and create groups
Includes 65+ curated open-source dictionaries
Dark mode enhancements with adjustable brightness
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What's New in OpenMDict

1.0.0

July 1, 2026

1. Supported adding custom fonts to each dictionary with iCloud syncing. 2. Fixed a few CSS/JS loading bugs.

User reviews

A dict you should have absolutely

very useful

Developer apps

FAQ

What dictionaries are included with OpenMDict?

OpenMDict comes with over 65 curated open-source dictionaries, including popular ones like WordNet, JMdict, and CC-CEDICT. You can also import unlimited third-party dictionaries in MDict format.

Can I use OpenMDict on multiple devices?

Yes, OpenMDict supports iCloud sync, which allows your dictionaries, bookmarks, history, and lookup counts to be synchronized across all your Apple devices, including iPhone and iPad.

Does OpenMDict have ads?

No, OpenMDict is completely ad-free. It is a free, open-source application with no advertisements, subscriptions, or paid tiers.

How does OpenMDict handle dark mode?

OpenMDict offers dark mode enhancements to improve readability. You can adjust the brightness for third-party dictionaries across 7 levels, ensuring a comfortable viewing experience in low light.

What are the layout options in OpenMDict?

OpenMDict provides three distinct layout modes: Columns, Grid, and List. This allows you to view definitions from multiple dictionaries simultaneously for easy comparison and cross-referencing.

Can I look up words from other apps using OpenMDict?

Yes, OpenMDict features a convenient Action Extension that enables pop-up lookup from any app. This allows you to quickly find definitions without leaving your current application.

Is OpenMDict suitable for offline use?

Yes, once dictionaries are imported, OpenMDict functions as an offline dictionary reader. You can access definitions and use features like jump search without an internet connection.

What is the update frequency for OpenMDict?

The app was last updated on June 23, 2026, indicating active development. As an open-source project, updates are driven by community contributions and developer releases.