Terms of use

Terms of Use - Athlon

Last updated: October 7, 2026

At a glance

Here are the key points in 30 seconds:

• Athlon is a fitness and nutrition tracking app with free access and optional Pro purchases.
• The app is available from 13 years of age, subject to local rules and required parental authorization.
• Athlon offers fitness and nutrition tracking but is NOT a medical device, NOR a substitute for professional health advice. Before starting, consult your doctor if you have any doubts.
• If an eligible trial is offered, its duration and the price afterwards are shown before purchase. Subscriptions renew automatically until cancelled.
• All payments and subscription management go through your Apple ID. You can cancel at any time from your iPhone Settings.
• You can delete your account at any time from within the app.

1. About Athlon

The app Athlon (hereafter "the App" or "the Service") is published by:

Neziak Studio, a French société par actions simplifiée (simplified joint-stock company) with a share capital of EUR 1,000 Registered office: 144 avenue Charles de Gaulle, 92200 Neuilly-sur-Seine, France Registered with the Nanterre Trade and Companies Register under number 107 967 606 EU VAT number: FR42 107967606 Publication director: Romain Saludes, President Contact email: contact@neziakstudio.com

Hereafter referred to as "the Publisher", "we", or "Athlon".

The App provides workout routines, training and food diaries, weight and activity tracking, optional Apple Health / Health Connect synchronization, and an AI assistant.

2. Acceptance of these Terms

By downloading, installing, or using the App, you accept these Terms of Use (hereafter "the Terms") without reservation. If you do not accept these Terms, you must uninstall the App.

2.1 Capacity

You declare that:

• You are 13 years of age or older, subject to local rules and required parental authorization
• You have the legal capacity to contract
• You will use the App for personal, non-commercial purposes

If you use the App on behalf of a legal entity or third party, you declare you have the authority to bind that entity or person.

2.2 Privacy Policy

These Terms are supplemented by our Privacy Policy, available at https://athlon.neziakstudio.com/en/privacy.html, which describes how your personal data is processed. By accepting these Terms, you acknowledge having reviewed this policy.

3. Account creation and management

3.1 Account creation

Access requires a Firebase account using Apple, Google or email and password. Firebase manages the password; the Athlon server does not receive it. Sign in with Apple supports hiding your email using Apple Private Relay.

3.2 Uniqueness and confidentiality

You agree to:

• Maintain only one account per person
• Not share your sign-in credentials or account access with third parties
• Keep your account confidential and secure
• Inform us immediately at contact@neziakstudio.com in case of unauthorized use of your account

3.3 Account deletion

You can delete your account at any time:

• From the App: Profile > Preferences and account > Delete my account
• By email to: contact@neziakstudio.com

Deletion is irreversible and results in loss of access to your program and fitness and nutrition history. It does not automatically cancel your Apple subscription: you must also manage that through your iPhone Settings (see section 6).

4. Description of the Service

4.1 Content provided

Athlon provides:

• Workout routines, strength programs and session logs
• Food diaries, recipes, meal templates and product scanning
• Weight, steps and estimated energy tracking
• An AI assistant, after explicit permission to share data
• Rest alarms and optional Apple Health / Health Connect synchronization

Pro benefits and quotas are shown in the app. Manual tracking is available without Health permissions or ad tracking consent.

4.2 Availability

We strive to keep the Service available 24/7, but cannot guarantee uninterrupted availability. The Service may be temporarily unavailable for maintenance, updates, or due to force majeure.

4.3 Service evolutions

We reserve the right to evolve the App: add, modify, or remove features, programs, content. These evolutions do not entitle you to compensation, unless they result in a substantial degradation of the Service you subscribed to.

5. Medical Disclaimer: IMPORTANT

Athlon is a fitness and nutrition tracking app. It is NOT a medical device, NOT a healthcare service, and NOT a substitute for professional advice.

5.1 Before practicing

You must consult a qualified healthcare professional before starting or continuing practice if:

• You have a medical condition (cardiac, joint, neurological, etc.)
• You are recovering from surgery or trauma
• You are pregnant or postpartum
• You are over 65 with physical limitations
• You take medication that may affect your balance, blood pressure, or alertness
• You have any doubt about your physical fitness

5.2 During practice

You agree to:

• Adapt every movement to your current capacity
• Stop practice immediately in case of pain, dizziness, palpitations, abnormal shortness of breath, or any discomfort
• Not practice in unsafe environments (slippery floor, insufficient space, near sharp furniture)

5.3 Acknowledgment and acceptance

By using the App, you expressly acknowledge and accept that:

• You practice at your own risk and under your sole responsibility
• The Publisher disclaims all liability for injury, illness, fall, or aggravation of a pre-existing condition resulting from use of the App, within the limits provided by law
• Calorie needs, nutritional values, estimates and AI responses may be inaccurate. Check results; they are not a guarantee or prescription. Seek professional advice about illness, eating disorders, pregnancy or uncertainty.
• In case of medical doubt, you must consult a professional before any practice

6. Subscription, free trial, and automatic renewal

6.1 Subscription terms

Athlon offers free access. When Pro purchases are enabled, the app shows actual localized prices, periods, benefits and eligible trial offers before confirmation. Monthly, annual and lifetime offers depend on the store catalogue. A lifetime purchase is a non-consumable purchase with no renewal. No trial is guaranteed: the offer shown for your account applies.

6.2 Automatic renewal

After the trial period, the subscription is automatically activated and billed at the chosen plan rate. It renews automatically at each term at the current rate, unless you cancel at least 24 hours before the end of the current period.

6.3 Management and cancellation

All subscription management (modification, cancellation, restoration) is handled through your Apple ID account:

iPhone Settings > your name > Subscriptions > Athlon

You can cancel your subscription at any time. Cancellation takes effect at the end of the already-paid current period. No prorated refund is issued.

6.4 Price changes

Price changes follow store rules and applicable consumer rights. The store informs you and obtains approval where required. You may cancel before renewal.

7. Right of withdrawal

7.1 Principle (users residing in the European Union)

As a consumer residing in the European Union, you have a 14-day withdrawal period from the conclusion of the contract, without having to justify your decision (Article L.221-18 of the French Consumer Code).

7.2 Express waiver for immediate execution

Opening the app or starting a trial does not itself waive withdrawal rights. Any exception for immediate digital supply requires the express agreements required by law and store terms. Mandatory consumer rights remain unaffected.

7.3 Refund requests

As all payments are processed by Apple, any refund request must be sent directly to Apple via:

https://reportaproblem.apple.com

Apple processes these requests according to its own terms and policies. The Publisher has neither the technical nor legal capacity to issue a direct refund.

8. Pricing and billing

8.1 Displayed prices

Subscription prices are displayed including all taxes, in euros for European users, or in local currency through App Store conversion. Prices may vary by country according to Apple's pricing rules.

8.2 Payment method

Payment is made through your Apple ID account on iOS or Google Play on Android (credit card, Apple Pay, or App Store credit registered on your account). The Publisher does not receive or store your banking information.

8.3 Billing

Invoices and receipts are issued by Apple and accessible from your Apple ID account. No separate invoice is issued by Athlon.

9. Suspension and termination by the Publisher

We reserve the right to suspend or terminate your access to the Service, without notice and without compensation, in case of:

• Serious breach of these Terms
• Attempted fraud (e.g., multi-account creation to stack free trials, commercial sharing of the account)
• Abusive or improper use of the App
• Any illegal behavior in connection with use of the App

In case of suspension or termination for fault, you remain liable for any sums due, and no refund will be issued.

10. Intellectual property

10.1 Publisher ownership

All elements composing the App (texts, videos, illustrations, logos, photographs, "Athlon" trademark, interface, source code, database, practice programs, etc.) are the exclusive property of the Publisher or its licensors, and are protected by French and international intellectual property laws.

10.2 License of use

The Publisher grants you, for the duration of your access to the service, a license that is:

• Personal (not transferable to a third party)
• Non-exclusive (the Publisher retains the right to grant the same license to others)
• Non-commercial (private use only)
• Limited to the territories where the App is officially available
• Revocable in case of breach of these Terms

You retain ownership of your recipes, messages, photos and routines, and authorize processing only as needed for requested features. Third-party exercise and food catalogues remain subject to their own licences.

10.3 Prohibitions

You agree to not:

• Reproduce, copy, download, distribute, modify, translate, or create derivative works of the App's content
• Reverse-engineer, decompile, or disassemble all or part of the App
• Publicly broadcast videos or content (on YouTube, social media, etc.)
• Use the content for commercial purposes (paid classes, training, etc.)

Any violation exposes you to civil and criminal proceedings (counterfeiting, Articles L.335-2 and following of the French Intellectual Property Code).

11. Personal data

The processing of your personal data is governed by our Privacy Policy, available at https://athlon.neziakstudio.com/en/privacy.html, which is an integral part of these Terms.

We invite you to read it carefully before subscribing to the App.

Your choices regarding usage analytics and ad tracking can be changed at any time from the Profile > Preferences and account > Privacy and consents screen in the App.

12. Limitation of liability

12.1 Service "as is"

The App is provided "as is" without guarantee of error-free, bug-free operation, or individual results. Estimates and AI responses may contain errors and do not constitute a therapeutic promise (see section 5).

12.2 Liability cap

To the extent permitted by law, the Publisher's total liability to you, all types of damages combined, is capped at the amount of fees actually paid by you for your subscription over the past 12 months.

12.3 Exclusions

The Publisher shall not be held liable for:

• Indirect damages (loss of revenue, loss of data, reputational harm, etc.)
• Failures of your hardware, internet connection, or third-party services (Apple, Google, RevenueCat, etc.)
• Bodily harm resulting from improper practice of the exercises or non-compliance with the medical disclaimer (section 5)

12.4 Legal reservations

No provision of these Terms may limit or exclude the Publisher's liability for:

• Gross negligence, fraud, or intentional misconduct
• Personal injury or harm to physical integrity
• Breach of an essential obligation of the contract

13. Modifications to the Terms

We reserve the right to modify these Terms to reflect:

• Changes in the Service or its features
• Legislative or regulatory changes
• Entry into new markets or addition of new providers

In case of substantial modification, you will be informed by in-app notification and/or email, at least 30 days before the change takes effect. Continued use of the App after this date will constitute acceptance of the new Terms. Otherwise, you may cancel your subscription.

The current version is always available at https://athlon.neziakstudio.com/en/terms.html.

14. Governing law and dispute resolution

14.1 Governing law

These Terms are governed by French law, without prejudice to the more favorable mandatory provisions applicable in the consumer's country of residence (Rome I Regulation, art. 6).

14.2 Attempt at amicable resolution

In case of dispute, you are first invited to contact us at contact@neziakstudio.com. We undertake to review your request and respond within a reasonable timeframe.

14.3 Competent courts

Failing amicable agreement, and subject to public-order rules protecting consumers, any dispute will be submitted to the competent courts of the consumer's domicile.

15. Apple iOS specific provisions

The provisions of this section 15 are required by Apple Inc. for distribution of apps on the App Store. They apply notwithstanding any conflicting provisions in these Terms.

15.1 Apple is not a party to these Terms

These Terms constitute an agreement between you and the Publisher (Neziak Studio) only. Apple Inc. is not a party to these Terms. Apple is not responsible for the App or its content.

15.2 License scope

The license entitles you to use the App on any Apple iOS product that you own or control, in compliance with the App Store Usage Rules.

15.3 Maintenance and support

All maintenance and support services for the App are the sole responsibility of the Publisher. Apple has no obligation in this regard.

15.4 Warranty

The Publisher is solely responsible for any express or implied warranty for the App, within the limits provided by law. In case of failure to conform to any applicable warranty, you may notify Apple: Apple will then refund the purchase price (if any) of the App. Beyond that, Apple has no other warranty obligation regarding the App.

15.5 Product claims

The Publisher, not Apple, is responsible for addressing any claim that you, or a third party, may make regarding the App or your possession or use of the App.

15.6 Intellectual property claims

In case a third party claims that the App infringes its intellectual property rights, the Publisher will be solely responsible for the investigation, defense, settlement, and discharge of such claim.

15.7 Compliance with export laws

You declare that you are not located in a country subject to a US government embargo, or designated as a "terrorist supporting" country, and that you do not appear on any US government list of prohibited or restricted parties.

15.8 Apple as third-party beneficiary

You acknowledge and agree that Apple and its subsidiaries are third-party beneficiaries of these Terms and that, upon your acceptance of these Terms, Apple will have the right (and will be deemed to have accepted that right) to enforce these Terms against you as a third-party beneficiary.

16. General provisions

16.1 Entire agreement

These Terms and the Privacy Policy constitute the entire agreement between you and the Publisher regarding the App.

16.2 Severability

If any provision of these Terms is held to be void or unenforceable, the remaining provisions will remain in effect.

16.3 No waiver

The Publisher's failure to invoke a provision of these Terms shall not be interpreted as a waiver of the right to invoke it later.

16.4 Assignment

You may not assign these Terms without our prior written consent. We may assign these Terms to any legal successor, notably in the event of a merger, contribution, or transfer of the business.

17. Contact

For any question regarding these Terms:

Email: contact@neziakstudio.com Mail: Neziak Studio, 144 avenue Charles de Gaulle, 92200 Neuilly-sur-Seine, France

18. AI assistant and Health data

The assistant uses Sovinfra (FPLC SAS, Paris), whose servers are in the European Union. Before the first transmission, Athlon requests explicit permission to share your messages, selected photos and useful profile and tracking context, which may include health data. You may decline or withdraw permission in Profile > Preferences and account > Privacy and consents. Already running generations can continue until stopped in the chat. Responses are not diagnoses or treatment: check estimates and suggestions before use.

Health synchronization is optional. Athlon requests permission for server synchronization, followed by system permissions. Withdrawal stops new imports without automatically deleting previously imported records or data held in Apple Health. Health data is never used for advertising.