Speeku The European alternative to Duolingo

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Offline language learning app for regional language varieties from Zurich

Speeku Logo
Switzerland Languages & Education instead of Duolingo

About Speeku

Speeku is a language learning app from Data Stand AI GmbH in Zurich that teaches regional language varieties. European Portuguese is currently available, and Swiss German has been announced. Lessons, dictionary and speech checking run on the device, and no account is needed. Region note: Speeku is based in Switzerland (EU adequacy decision), not in the EU.

Highlights

  • ✓ European Portuguese course with over 1,000 lessons and more than 12,000 exercises
  • ✓ Four new words per lesson, practised through reading, listening, speaking and recall
  • ✓ Lessons, dictionary and speech checking work without an internet connection
  • ✓ Offline dictionary with over 8,000 entries and inflection tables
  • ✓ No account, no subscription, no ads, learning progress stays on the device

Why European?

  • → Data Stand AI GmbH based in Zurich, registered in the commercial register of the canton of Zurich
  • → Spoken answers are checked on the device and, according to the provider, neither recorded nor uploaded
  • → According to the provider, the app contains no analytics or advertising SDKs
  • → Learning progress is stored locally, not on the provider's servers

Pricing

Free (4 new lessons per week) · unlimited lessons via one-time in-app purchase, no subscription, price see App Store or Google Play

Available for

Frequently asked questions about Speeku

What is Speeku and what is it used for? +

Speeku is a language learning app from Data Stand AI GmbH in Zurich for Android and iOS. It teaches everyday language in regional varieties, meaning the Portuguese spoken in Portugal rather than the Brazilian variety. The course comprises over 1,000 short lessons of around eleven exercises each, plus culture lessons. It also includes an offline dictionary and automatically generated flashcards that first review the words most likely to be forgotten. The free version offers four new lessons every week, and reviewing remains possible after that.

Does Speeku run on European infrastructure? +

The app needs no servers for learning, as lessons, dictionary and speech checking run on the device. The speech model and course audio are downloaded via the app store or a file host whose operator the provider does not name. Purchases go through Google Play or the Apple App Store, and Speeku receives only the sales record. According to the cookie page, the app contains no analytics, and the Android version does not request internet permission. After consent, the website uses Google Analytics 4, also to measure Google Ads campaigns, and according to the privacy policy data may be transferred to Google servers outside Switzerland and the EEA. The provider does not name the website's host, which according to the response headers is Vercel, a US provider.

Which languages does Speeku teach? +

European Portuguese is currently available as a separate app for Android and iOS. Swiss German has been announced on the website, where its apps are marked as coming soon, and the provider gives no date. Each language is offered as its own course, and the one-time purchase applies per course. The Portuguese course uses 61 exercise types, including picture choice, sentence building, gap filling, role-play and verb tables. The speech check verifies whether the expected word was said and does not grade the accent.

Try Speeku

Offline language learning app for regional language varieties from Zurich

Visit Speeku Website →
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Entry verified on 30.10.2026