What's new in version 1.4: - Interactive grammar explanations throughout the course. - Fill-in-the-blank and dictation exercises using existing course texts and audio. - Shorter lesson sessions with progress shown around each topic. - A redesigned course path and clearer level summaries. - Faster content loading and smoother navigation. - Improved layouts for phones and tablets.

Version 1.3 makes it easier to learn Interlingua from any text. Paste a passage, tap highlighted words to see translations, save favorites, and organize vocabulary into custom decks. Review each deck with quick quizzes connected to a unified spaced-repetition system across lessons and courses. This release also includes navigation, settings, and stability improvements. This update also includes content consistency improvements and minor fixes. We've reviewed and corrected the Interlingua vocabulary using authoritative IALA references. Lesson and reading texts have been improved for greater accuracy and consistency, and pronunciation audio has been updated for corrected terms using the eSpeak NG Interlingua voice. This release also includes general content and stability improvements.