4 Plus 4 vs BZF

Math often feels complicated. Not because it’s hard, but because it’s explained the wrong way. 4 Plus 4 is different. No overloaded explanations, no distractions, and no shortcuts. Just clear tasks that guide you forward step by step. The app is ad-free and does not collect personal data. It is built around clear learning modules such as Number Basics, Advanced Numbers, Basic Arithmetic and Fractions Basics, where key mathematical concepts are practiced in a structured and easy-to-follow way. In additional sections, you can apply what you have learned in a playful and entertaining way. 4 Plus 4 combines clear learning with motivation, progress, and fun — ideal for getting started, refreshing knowledge, or practicing in between. We continuously expand the app with new content to make learning mathematics as simple, understandable, and enjoyable as possible.

This app features not only the official questions from Bundesnetzagentur, but also several pages of theory materials summarized, to help you learn and understand fundamental concepts needed for your success in aviation and of course on the BZF exam. Learn and practice for the exam on the same app, while tracking your progress on each question individually. - Multilingual App and content - In-App theoretical training materials - Advanced question study interface, allowing random order and seeing only the correct answer for better memorization - Realistic exam mode, but with pause function in case you need a coffee break - Individual question statistics - No internet connection needed Limited number of questions and study materials in Trial Version. Upgrade to Full Version with a single, one-time, in-App purchase.