Last updated: February 2026
These terms of use apply to the use of the web application FUEL (available at https://fuelapp.dev), operated by:
Nikolas Wenzel
Reinstr. 8
64747 Michelstadt
Email: creatvive.app@gmail.com
(hereinafter "Provider" or "we")
By registering and using FUEL, you agree to these terms of use. If you do not agree to these terms, you may not use FUEL.
FUEL is a web-based fitness tracking application that allows users to:
FUEL is exclusively for personal documentation and organization. The range of features may be expanded, changed, or restricted at any time.
To use FUEL, you must create a user account. You must provide truthful and complete information during registration. A valid email address is required.
You are responsible for keeping your login credentials confidential and for all activities conducted through your account. If you notice unauthorized access, please contact us immediately by email.
There is no minimum age for using FUEL. However, users under 16 require parental consent pursuant to Art. 8 GDPR.
The use of FUEL is currently free of charge. We reserve the right to introduce paid additional features in the future. Existing free basic features will remain unaffected. You will be informed in advance about paid features; they will only be activated with your explicit consent.
All data you enter into FUEL (training data, nutrition data, body data, supplement logs, and photos) remains your property. We do not claim intellectual property rights to your content.
You grant us the right to store and process your data to the extent technically necessary for providing and improving the service.
Progress photos you upload are stored exclusively for your personal use within your account. They are not publicly displayed, shared with third parties, or used for advertising.
FUEL is hosted via the cloud infrastructure of Lovable (GPT Engineer AB / Lovable Dev Inc., Stockholm/Sweden and Delaware/USA).
For detailed information, please refer to our Privacy Policy.
FUEL is a documentation and tracking tool. The information and features provided do not constitute medical advice, diagnosis, or treatment recommendation. FUEL does not replace consultation with a doctor or qualified health professional.
The use of FUEL for planning and carrying out training and nutrition is at your own risk. We recommend consulting a doctor before starting any training or nutrition program, especially if you have pre-existing conditions.
We strive for high availability of FUEL but do not guarantee uninterrupted or error-free operation.
Although we take reasonable measures to protect your data, we are not liable for loss of user data unless caused by intent or gross negligence on our part.
When using FUEL, it is prohibited to:
You can request deletion of your user account at any time without giving reasons. Send an email to creatvive.app@gmail.com. After confirmation, your data will be completely deleted within 30 days.
We reserve the right to change these terms of use at any time. You will be informed of significant changes by email or notification within the application.
The law of the Federal Republic of Germany applies, excluding the UN Convention on Contracts for the International Sale of Goods.
The European Commission provides a platform for online dispute resolution: https://ec.europa.eu/consumers/odr/
For questions about these terms of use, please contact:
creatvive.app@gmail.com