App snapshot

LEO Dictionary is a free multilingual app from LEO GmbH designed for iPhone users. It connects you to a set of continuously updated online dictionaries, offering a large, reliable reference for words and language usage.

Languages available

The app supports a dozen languages. Examples include:

  • Chinese
  • Spanish
  • English
  • French
  • plus several other language pairs

What it covers

LEO’s resources contain more than two million entries and provide a wide range of linguistic information:

  • Etymology and historical word origins
  • Conjugation tables and verb forms
  • Voice recordings for authentic pronunciation
  • Grammar guidance and usage notes
  • Clear definitions and sense distinctions

Learning tools and synchronization

A built-in vocabulary trainer lets you create custom word lists and practice them over time. By registering a free account you can enable two-way synchronization so your lists stay up to date across mobile and desktop devices.

Community features

If a lookup doesn’t answer your question, the app hosts a forum where users can ask language-related questions and exchange explanations. Accessing the forum requires a free user account.

If you’re exploring other free options, consider Toca Life World: Create & Explore Your Story — a suggested alternative available at no charge.

Technical

Title
LEO dictionary
Requirements
  • iPhone
Language
English
Available languages
  • German
  • Russian
  • Portuguese
  • English
  • Italian
  • French
  • Spanish
License
  • Free
Latest update
2026-01-12
Author
LEO GmbH
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