Terms of Use

Last updated: April 24, 2026

1. Provider

2. Scope

These Terms of Use govern the relationship between you as user and Zielfit as provider of the mobile app "Zielfit" (iOS and Android).

3. Contract Formation

The contract is formed by downloading, installing and creating a user account in the app.

4. Eligibility

• Minimum age: 13 years
• Users between 13 and 17 require the consent of a legal guardian
• The app may only be used for personal, non-commercial purposes

5. Premium Subscription

5.1 Offering

• Monthly subscription: price and duration as displayed in the App Store or Play Store at time of purchase
• Yearly subscription: price and duration as displayed in the App Store or Play Store at time of purchase
• Discount offers (33 %, 40 %, 50 %) may be available for limited periods

5.2 Billing and Automatic Renewal

• Payment is charged to your Apple ID or Google Play account upon purchase confirmation
• The subscription renews automatically for the same period, unless cancelled at least 24 hours before the end of the current period
• Renewal is billed up to 24 hours before the end of the period
• Price changes will be announced at least 30 days in advance by email and in-app

5.3 Cancellation

You cancel the subscription directly at the respective store:

• iOS: Settings → Apple ID → Subscriptions → Zielfit → Cancel Subscription
• Android: Play Store → Profile → Payments and subscriptions → Subscriptions → Zielfit

Cancellation ends automatic renewal. Premium access remains active until the end of the already paid period.

5.4 Free Trial

If a free trial is offered, it converts seamlessly to a paid subscription unless cancelled at least 24 hours before the end of the trial period.

5.5 Refunds

Refunds are handled exclusively by Apple or Google:

• Apple: support.apple.com/en-us/HT204084
• Google: support.google.com/googleplay/answer/2479637

Zielfit has no influence on the platform operators' refund decisions.

5.6 Right of Withdrawal for Digital Content

For digital content, the 14-day right of withdrawal expires under § 356(5) of the German Civil Code (BGB) as soon as delivery has begun and you have expressly consented to the execution of the contract before the end of the withdrawal period, and confirmed this consent through the purchase. This is systemically the case when purchasing a Premium subscription via the App Store or Play Store.

6. Permitted Use

• Use exclusively for the intended purpose (personal health and fitness tracking)
• No circumvention of technical protection measures
• No reverse engineering, decompilation or modification of the app
• No automated mass queries
• No misuse of AI features (no offensive inputs, no generation of harmful content)

7. User Content

You can add your own content to the app (e.g. custom foods, profile picture, AI chat inputs). You warrant that you are entitled to enter this content and that it does not infringe the rights of third parties. You grant Zielfit a non-exclusive right of use to the extent necessary to provide the app.

8. Intellectual Property

All rights to the app, its content, trademarks, logos and software belong to Zielfit or its licensors. Upon download you receive a simple, non-transferable right of use.

9. Advertising

The free version of the app displays advertising (via Google AdMob). Personalized advertising only with your explicit consent. The respective advertisers are responsible for the content of the ads.

10. Health Disclaimer

Zielfit is not a medical application. The information provided is intended solely for general fitness and nutrition purposes. It does not replace:

• advice from a physician
• medical diagnosis
• therapeutic treatment

Consult a physician before starting a diet or a new training program, especially if you have pre-existing conditions, are pregnant, nursing, or taking medication. AI-generated content (chat, food analysis) may be inaccurate and should be evaluated critically.

11. Liability

Zielfit is liable only for intent and gross negligence, as well as for injury to life, body and health, and under the German Product Liability Act. For slight negligence we are only liable in the event of a breach of essential contractual obligations, limited to the typical and foreseeable damage.

No liability for:

• health consequences of using the app
• inaccurate AI outputs
• availability gaps of the platform operators (Apple, Google, Supabase, OpenAI)
• content of third-party advertisements
• data loss, unless caused by our gross negligence

12. Termination by Zielfit

We may suspend or delete your account in the event of material breaches of these Terms, in particular misuse of AI features, hacking attempts, commercial use or repeated violations after a warning.

13. Changes to the Terms

Changes to these Terms of Use will be announced by in-app notice and/or email at least 14 days before they take effect. If the user does not object within this period, the changes are deemed accepted. In case of objection, the contract ends on the effective date of the new terms.

14. Applicable Law and Jurisdiction

• German law applies, excluding the UN Convention on Contracts for the International Sale of Goods
• For consumers, mandatory consumer protection law of the country of residence applies additionally
• Place of jurisdiction: Fürth, Germany, to the extent legally permitted

15. EU Dispute Resolution

EU Commission platform: ec.europa.eu/odr. We are neither obligated nor willing to participate in dispute resolution proceedings before a consumer arbitration board.

16. Severability

Should any provision of these Terms be wholly or partially invalid, this shall not affect the validity of the remaining provisions.

17. Contact

Email: infozielfit@gmail.com

In case of discrepancies between the English and German versions, the German version available at zielfit.com/nutzungsbedingungen shall prevail for users located in Germany.