Free
About
DeltaBook is a subscription-based learning app that provides unlimited access to all courses after subscribing. The app includes structured courses with chapters and lessons. Lessons contain high-quality videos and interactive quizzes. Users can also attempt challenge quizzes to test their knowledge and earn achievement badges for their progress.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in DeltaBook
1.0.3
June 3, 2026
Improved payments and subscription flow, enhanced UI experience, and fixed minor bugs for better app performance and stability.
