Terms of Service
Last updated: December 2025
Acceptance of Terms
By downloading, installing, or using AZF/BZF Trainer, you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the app.
Description of Service
AZF/BZF Trainer is a mobile application designed to help users prepare for German aviation radio examinations (AZF, AZF-E, BZF I, BZF II, BZF-E). The app provides practice questions, exam simulations, and progress tracking features.
Purchase and Payment
AZF/BZF Trainer is available as a one-time purchase on the Apple App Store and Google Play Store. By purchasing the app, you receive a perpetual license to use it on your devices. All payments are processed by Apple or Google through their respective stores.
- One-time payment — no subscriptions or recurring fees
- Includes all future updates at no additional cost
- Refunds are handled by Apple or Google according to their respective store policies
Acceptable Use
You agree to use AZF/BZF Trainer only for lawful purposes. You agree not to:
- Reverse engineer, decompile, or disassemble the app
- Redistribute or republish the app content without permission
- Use the app for any commercial purpose without authorization
Content Sources
The examination questions in AZF/BZF Trainer are based on the official question catalogs published by the Bundesnetzagentur (Federal Network Agency of Germany). This content is used for educational purposes.
Official catalog available at:
www.bundesnetzagentur.de/Flugfunkzeugnisse
Intellectual Property
The app design, code, and original content are the property of BlockFit OÜ. The examination questions remain the intellectual property of the Bundesnetzagentur.
Disclaimer
AZF/BZF Trainer is provided as a study aid only. While we strive for accuracy, we do not guarantee that using the app will result in passing the official examination. Success depends on your individual study efforts and understanding of the material.
AZF/BZF Trainer is an independent study tool. We are not affiliated with, endorsed by, or officially connected to the Bundesnetzagentur or any other German federal authority. The app is based on the official question catalogues that the Bundesnetzagentur publishes for public examination preparation.
Limitation of Liability
BlockFit OÜ shall not be liable for any indirect, incidental, special, or consequential damages arising out of or in connection with the use of AZF/BZF Trainer. The app is provided "as is" without warranties of any kind.
Governing Law
These terms shall be governed by and construed in accordance with the laws of Estonia. Any disputes arising under these terms shall be subject to the exclusive jurisdiction of Estonian courts.
Changes to Terms
We may update these Terms of Service from time to time. Any changes will be reflected in the app and on this page with an updated revision date. Continued use of the app after changes constitutes acceptance of the new terms.
Contact Information
For questions about these Terms of Service, please contact us at:
BlockFit OÜ
Registration: 17131054
Estonia, European Union
[email protected]