Altissia is a mobile application designed to test and improve your linguistic skills. With its simple, practical, and fun interface, it offers anytime, anywhere flexibility to learn at your own pace. The app allows you to test your level in 22 languages including Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish, and Swedish.

Altissia provides immediate and detailed results in line with the Common European Framework of Reference for Languages (CEFR). Furthermore, it offers professional modules and the latest news to help you practice and improve your language proficiency. The application is free to use and available on Android.