There is no Sign up button
I couldn’t try to use this App because there is no Sign up possibility. You can use it just if you have already account (who knows where?)
Excellent app
Very well structured app. Great content and activities.

Assess and enhance your language abilities with a mobile tool that adapts to your proficiency. Practice 26 languages with instant, detailed CEFR-aligned results and personalized learning paths. Engage with real-world content and stay updated with current news.
2.3.6
February 25, 2026
Bug fixes
Altissia offers testing and improvement for 26 languages, including major European languages like English, French, German, Spanish, Italian, and Portuguese, as well as others such as Polish, Turkish, and Swedish. The app provides a comprehensive list of supported languages within its description.
Your results from Altissia are instantly provided and are aligned with the Common European Framework of Reference for Languages (CEFR). This framework offers a standardized way to measure language ability.
The provided description does not specify whether Altissia supports offline learning. It emphasizes testing and improving skills anytime, anywhere, suggesting online functionality.
Altissia incorporates real-world content to help users stay up to date and practice their skills. This includes learning through current news articles and utilizing professional-focused modules.
Altissia has an age rating of 4+, making it suitable for a wide range of users. The app adapts to individual learning goals and levels.
The latest version of Altissia is 2.3.6, last updated on February 25, 2026. The developers mention staying tuned for new features and updates, indicating ongoing development.
The description mentions that results are aligned with the CEFR, but it does not explicitly state that Altissia provides official certifications. Users receive detailed results of their proficiency.
You can provide feedback for Altissia by visiting support.altissia.org. The developers welcome user input to improve the application.