The application offers access to the LEO dictionaries as well as the vocabulary trainer and forums.


LEO’s online dictionaries are always up to date (no updates necessary).

• English ⇄ German (834,000 entries)
• French ⇄ German (272,000 entries)
• Spanish ⇄ German (229,000 entries)
• Italian ⇄ German (228,000 entries)
• Chinese ⇄ German (211,000 entries)
• Russian ⇄ German (312,000 entries)
• Portuguese ⇄ German (131,000 entries)
• Polish ⇄ German (82,000 entries)
• English ⇄ Spanish (155,000 entries)
• English ⇄ French (40,000 entries)
• English ⇄ Russian (35,000 entries)
• Spanish ⇄ Portuguese (45,000 entries)

With LEO you can do more than just look up the meaning of a word in a different language. LEO also provides:

• noun and verb tables
• real voice audio pronunciation (no speech synthesis)
• definitions
• grammar and etymology

Vocabulary trainer:

Use our free vocabulary trainer to create personal word lists and improve your vocabulary. We use a two-way synchronization method, which means you can access all your word lists on your mobile devices or on your desktop, all you need is a free account.


Connect with other users and get help with language-related questions that are not answered by the dictionary. To participate in the forums all you need is a free user account.

The app contains adverts which you can choose to remove by subscribing to our ad-free version.

For a detailed description of all features, please visit


Information regarding the in-app purchase of the ad-free subscription:

Payment will be charged to your iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your iTunes Account will be charged for renewal within 24-hours prior to the end of the current period at the same rate as in the first year. The subscription can be managed and auto-renewal can be turned off by going to your Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase the subscription.

Terms of Use:

What’s New

Version 8.2

• New dictionaries:
  English ⇄ French
  English ⇄ Russian
  Spanish ⇄ Portuguese

• Bug fixes

Ratings and Reviews

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App Privacy

The developer, LEO GmbH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Purchases
  • User Content
  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Search History
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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