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Screenshots

  • DeltaBook screenshot 1
  • DeltaBook screenshot 2
  • DeltaBook screenshot 3
  • DeltaBook screenshot 4

About DeltaBook

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/

What’s new

Version 1.0.3 · Updated June 3, 2026

Improved payments and subscription flow, enhanced UI experience, and fixed minor bugs for better app performance and stability.

App privacy

The developer, Adam Weaver, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Purchases: Purchase History
  • Financial Info: Payment Info
  • Contact Info: Email Address, Name, Phone Number
  • User Content: Photos or Videos
  • Identifiers: User ID, Device ID

Used for: Analytics, App Functionality