Interactive Textbooks Digital Library vs Opiq

Interactive Textbooks Digital Library is a free web and iOS repository for Greek schoolbooks and related educational material. It serves teachers, students, parents, guardians, and other interested users. Coverage spans primary school, gymnasium, general lyceum, and vocational lyceum (EPAL). Books are provided in PDF and HTML, with selected titles in interactive HTML, iBook, and low-vision formats. The library states that more than 160 interactive books include links to simulations, experiments, exercises, educational games, videos, maps, and visualizations from Photodentro repositories. Users can search keywords, including words inside book text, browse by class or subject, and filter by education level, class, book type, and subject. Some editions provide 18–38 point text. Materials can be copied, printed, downloaded, stored locally, and viewed on a computer. Course pages include descriptions, objectives, curricula, and grouped books, while guides support teachers and parents. The library is powered by DSpace and maintained with Ministry of Education funding.

Opiq is a cloud-based learning environment and digital learning-material library for students, teachers, schools, and individual users. Its library contains more than 500 works from publishers and content creators, with materials described as aligned to the national curriculum and reviewed for facts and language. Teachers can assign tasks, create exercises, and track progress by chapter and student; many exercises are checked automatically. AI features find related material across subjects and textbook levels, while OpiqGPT combines chat with a language model and textbook text. Opiq connects with eKool and Stuudium for assigned homework, and eKool teachers can import graded results. It runs on Android, iOS, and web, with annotation and read-aloud support. A free plan is available, with paid access from €1/mo. The app requires an account, and paid licenses must be ordered on the website. Individual licenses are for personal use outside general education.