Terms of Use

Terms of Use for 4 Fälle

Effective Date: January 17, 2026

Last Updated: January 17, 2026

1. Introduction

Welcome to 4 Fälle (\"we,\" \"our,\" or \"us\"). These Terms of Use (\"Terms\") govern your use of our German grammar learning mobile application (the \"App\"). By downloading, installing, or using the App, you agree to be bound by these Terms. If you do not agree to these Terms, please do not use the App.

2. License Grant

Subject to these Terms and your payment of the one-time purchase price, we grant you a limited, non-exclusive, non-transferable, revocable license to download, install, and use the App on devices you own or control for your personal, non-commercial use.

This license includes:

3. Pricing and Purchase

4 Fälle is offered as a one-time purchase for €4.99. This is not a subscription.

What Your Purchase Includes:

All payment processing is handled securely by the Apple App Store or Google Play Store. We do not process payments directly or store your payment information. Your purchase is subject to the applicable app store's terms and conditions.

Refund Policy

Refunds are handled by Apple or Google according to their respective refund policies. We do not have direct control over refunds. If you have issues with the app, please contact us first so we can help resolve any problems.

4. User Account and Responsibilities

You are responsible for:

5. Acceptable Use

You agree to use the App only for lawful purposes and in accordance with these Terms. You may not:

6. Content and Intellectual Property

Our Content

The App and all of its content, including but not limited to:

...are owned by us or our licensors and are protected by copyright, trademark, and other intellectual property laws. All rights not expressly granted in these Terms are reserved.

Your Learning Data

You retain ownership of your learning progress, notes, and preferences created within the App. This data is stored locally on your device. By using the App, you grant us a limited license to store minimal data (such as purchase verification) necessary to provide the service.

7. Privacy and Data Protection

Your privacy is important to us. Please review our Privacy Policy to understand how we collect, use, and protect your information.

Key points:

8. App Store Terms

For users who download the App through the Apple App Store or Google Play Store:

9. Disclaimers and Limitations

Educational Purpose

4 Fälle is designed as an educational tool for learning German grammar. While we strive for accuracy:

Service Availability

The App is provided "AS IS" and "AS AVAILABLE" without warranties of any kind, either express or implied. We do not guarantee:

Limitation of Liability

To the maximum extent permitted by applicable law, we shall not be liable for any:

Some jurisdictions do not allow the exclusion of certain warranties or limitation of liability, so these limitations may not apply to you.

10. Termination

We reserve the right to terminate or suspend your access to the App at any time, with or without notice, for:

Upon termination:

11. Updates and Modifications

App Updates

We continuously improve 4 Fälle to provide you with the best learning experience. We may:

All updates are provided at no additional cost as part of your one-time purchase.

Terms Changes

We may modify these Terms from time to time. When we make changes:

If you don't agree with the changes, you must stop using the App.

12. Governing Law and Disputes

These Terms are governed by and construed in accordance with the laws of Germany, without regard to its conflict of law provisions.

Dispute Resolution

In the event of any dispute, controversy, or claim arising from these Terms:

EU Consumer Rights

If you are a consumer in the European Union, you also have the benefit of mandatory consumer protection laws in your country of residence, and nothing in these Terms affects your statutory rights as a consumer.

13. Severability

If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction:

14. Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and us regarding the use of the App and supersede all prior or contemporaneous understandings and agreements, whether written or oral.

15. Contact Information

For questions, concerns, or support regarding these Terms or the App, please contact us:

Email: [email protected]
Address: Hauptstr. 4, 61276 Weilrod, Germany
Phone: +49 15753674255

We aim to respond to all inquiries within 48 hours during business days.


© 2026 4 Fälle. All rights reserved.