Initial release: browse Spectrum library books, open pages, take quizzes, view learning media. Demo content on English Reader.
Only the current version so far — new entries appear as the app ships updates.
Spectrum Publishers is an education app by Bilal_Dev with 1+ downloads (about 3 estimated). +3 installs in the last 7 days. Released Oct 12, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Browse school readers, pages, quizzes and media from Spectrum library.”
