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LEO Dictionary
What LEO Dictionary is
LEO Dictionary is an online bilingual dictionary service with 12 language pairs, including English–German, English–Spanish, and French–German. Search works in either direction, with autocomplete, spelling-tolerant suggestions, and a text search that lets users select words for lookup. Dictionary entries can bring together definitions, grammar, etymology, noun and verb tables, audio pronunciation, links to monolingual dictionaries, and related forum discussions. Users can also ask the LEO community about terms that are missing from the dictionaries.
The free vocabulary trainer lets learners create and grow personal word lists, quiz themselves, and follow progress through statistics. LEO lists language courses for its dictionary pairs; some lessons are available to try free, while course access is purchased separately from LEO Pur. The English–German trainer includes vocabulary collections for Westermann’s Camden Town books and uses LEO-developed AI to suggest words for review. LEO’s free smartphone app provides the twelve pairs and trainer. Firefox and Chrome extensions offer selected-word lookup from a browser context menu, and LION provides dictionary access from Windows applications. LEO GmbH, based in Sauerlach, Germany, says its servers are in Germany and stored data are not sold or forwarded to third parties. Its policy says IP addresses are kept for up to seven days before deletion or anonymisation.
Who it suits
LEO suits people who need bilingual lookups across its supported language pairs, with grammar details, audio, and community discussion available alongside entries. Learners can use the free trainer to build word lists and track progress, while course listings and browser tools offer additional ways to study and look up words.
What it does well
- Offers dictionaries across 12 language pairs, searchable in either direction.
- Entries can include grammar, etymology, tables, audio, and forum discussions.
- Free trainer supports personal word lists, quizzes, and progress statistics.
- Free smartphone app provides all twelve pairs and the vocabulary trainer.
- Firefox and Chrome extensions support selected-word browser lookup.
What to know first
- Dictionaries are not available for download.
- App pronunciations require an internet connection and LEO speaker recordings.
- LEO Pur does not cover app subscriptions or language courses.
Limits
The dictionaries are not downloadable for offline access. App pronunciations load from the internet and are available only for words recorded by LEO speakers. LEO Pur applies to LEO websites while logged in; it excludes app subscriptions and language courses.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| LEO Pur yearly | €29.88 per year (€2.49 per month); cancellable at any time · LEO websites while logged in · excludes app subscriptions and language courses | €29.88 a year |
| LEO Pur monthly | €2.99 per month; cancellable at any time · LEO websites while logged in · excludes app subscriptions and language courses | €2.99 a month |
| Ad-free LEO app | EUR7.49/year; automatically renews unless auto-renew is turned off at least 24 hours before the subscription ends · Ad-free app subscription · available on devices signed in with the same Apple ID | €7.49 a year |
As dict.leo.org lists them, read 7 Oct 2026. The maker's own page has the final word.
Getting started
- Open https://dict.leo.org/ in a web browser.
- Choose a dictionary language pair and search in either direction.
- Use the free vocabulary trainer to create word lists and quiz yourself.
- Install the free smartphone app for dictionary and trainer access on Android or iOS.
- Add the Firefox or Chrome extension for selected-word lookup from the browser context menu.
- Try available course lessons free before purchasing course access separately.
Verdict
Choose LEO Dictionary if you want bilingual lookup across its 12 pairs alongside a free vocabulary trainer and community forums. Learners seeking structured lessons can explore its courses, but course access is purchased separately from LEO Pur. Offline dictionary use is not available, and app pronunciation depends on internet access and recorded words.
Questions
Is LEO Dictionary free?
Yes. It has a free plan, and LEO describes its smartphone app and vocabulary trainer as free. LEO also offers paid subscriptions and separately purchased language courses.
How much does LEO Pur cost?
LEO Pur monthly costs €2.99 a month and can be cancelled at any time. LEO Pur yearly costs €29.88 a year, equivalent to €2.49 a month, and can also be cancelled at any time.
Is there an ad-free app subscription?
The Ad-free LEO app plan costs €7.49 a year. It renews automatically unless auto-renew is turned off at least 24 hours before the subscription ends, and it is available on devices signed in with the same Apple ID.
Which platforms does LEO support?
The listed platforms are Android, iOS, browser extensions, and web. LEO also lists browser lookup tools and LION for access to its dictionaries from Windows applications.
Can I use LEO dictionaries offline?
No. LEO says its dictionaries are not available for download. App pronunciations load from the internet and are available only for words recorded by LEO speakers.
Who makes LEO Dictionary?
The service is identified with LEO GmbH, whose listed address is in Sauerlach, Germany. LEO says its dictionary service began in 1995 and has been operated by LEO GmbH since 1 April 2006.
Facts from LEO Dictionary's own pages
- Browser and Windows tools
- LEO lists browser tools for looking up words on other sites and LION for accessing its dictionaries from Windows applications. · dict.leo.org, 7 Oct 2026
- Browser tools
- LEO documents browser lookup options including a Firefox extension and a Chrome extension for translating selected words from the context menu. · dict.leo.org, 7 Oct 2026
- Company
- The site identifies LEO GmbH and lists its address as Georgenstr. 18, 82054 Sauerlach, Germany. · dict.leo.org, 7 Oct 2026
- Company history
- LEO says its dictionary service began in 1995 and has been operated by LEO GmbH since 1 April 2006. · dict.leo.org, 7 Oct 2026
- Course trial
- LEO language courses provide some lessons to test free of charge, and course access must be purchased separately from LEO Pur. · dict.leo.org, 7 Oct 2026
- Data retention
- The privacy policy says IP addresses are stored for a maximum of seven days and then deleted or anonymised. · dict.leo.org, 7 Oct 2026
- Dictionary
- LEO provides online dictionaries for 12 language pairs, including English–German, English–Spanish, and French–German. · dict.leo.org, 7 Oct 2026
- Dictionary service
- LEO provides bilingual dictionaries across 12 language pairs. · dict.leo.org, 7 Oct 2026
- Dictionary tools
- Dictionary entries can include noun and verb tables, audio pronunciation, and relevant forum discussions. · dict.leo.org, 7 Oct 2026
- Entry details
- Entries can include noun and verb tables, natural pronunciation, definitions, grammar, etymology, and links to monolingual dictionaries. · dict.leo.org, 7 Oct 2026
- Forums
- LEO offers forums alongside its dictionaries, with a community users can ask when a term is missing. · dict.leo.org, 7 Oct 2026
- Founded
- 1995 · dict.leo.org, 28 Sept 2026
- Headquarters
- Sauerlach, Germany · dict.leo.org, 28 Sept 2026
- Language courses
- LEO lists language courses for its dictionary language pairs. · dict.leo.org, 7 Oct 2026
- Learning partnership
- LEO’s English–German trainer offers vocabulary collections for Westermann’s Camden Town books and uses LEO-developed AI to suggest words to review. · dict.leo.org, 7 Oct 2026
- Mobile apps
- LEO describes its smartphone app as free and says it provides access to all twelve language pairs and the vocabulary trainer. · dict.leo.org, 7 Oct 2026
- Notable limits
- LEO says its dictionaries are not available for download and that app pronunciation is available only for words with recordings by native speakers. · dict.leo.org, 7 Oct 2026
- Privacy
- LEO says stored data are not forwarded or sold to third parties and that its servers are located in Germany. · dict.leo.org, 7 Oct 2026
- Privacy option
- LEO Pur provides access to LEO websites without advertising or advertising tracking; the maker says the free ad-supported option uses personalized advertising and usage profiles. · dict.leo.org, 7 Oct 2026
- Pronunciation limits
- The FAQ says app pronunciations are loaded from the internet and are available only for words recorded by LEO speakers. · dict.leo.org, 7 Oct 2026
- Search
- Users can search in both directions and look up one or several selected words in a text. · dict.leo.org, 7 Oct 2026
- Search tools
- The dictionary offers autocomplete, spelling-tolerant suggestions, and a text search where users can click words to look them up. · dict.leo.org, 7 Oct 2026
- Subscription boundary
- LEO Pur applies to LEO websites while logged in and does not include the separately managed ad-free app subscriptions. · dict.leo.org, 7 Oct 2026
- Support
- LEO says it does not provide telephone support and asks users to contact it by email. · dict.leo.org, 7 Oct 2026
Where LEO Dictionary stands on Freedom251
- Online Dictionaries#10 of 39