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Terms of Service

Effective date: [DATE PUBLISHED] · Last updated: [DATE PUBLISHED]

Please read these Terms carefully. Section 12 requires most disputes to be resolved by individual arbitration instead of in court, and waives jury trials and class actions. You can opt out within 30 days.

GrindSplit is not medical advice. Training carries a risk of injury. See section 5.

1. Agreement

These Terms of Service ("Terms") are a contract between you and GrindSplit LLC ("GrindSplit," "we," "us"). They cover the GrindSplit iOS app, Apple Watch app, widgets and the website grindsplit.ai (together, the "Service").

By creating an account, checking the agreement box at sign-up or using the Service, you agree to these Terms and acknowledge our Privacy Policy. If you do not agree, do not use the Service.

2. Who can use GrindSplit

  • You must be at least 13 years old.
  • If you are 13 to 17, your parent or legal guardian must review and agree to these Terms for you. By using the Service you confirm that they have. A parent or guardian who lets a teen use the Service agrees to these Terms and is responsible for the teen's use.
  • The Service is offered only in the United States.
  • You may not use the Service if we have previously closed your account for breaking these Terms.

3. Your account

  • Give accurate information, including your real date of birth, and keep it up to date. Your training and nutrition guidance depends on it.
  • Keep your login details secure. You are responsible for activity on your account.
  • One person per account. Do not share your account.
  • Tell us right away at support@grindsplit.ai if you think someone else has accessed your account.

4. License to use the Service

We grant you a limited, personal, non-exclusive, non-transferable, revocable license to use the Service for your own non-commercial use, on Apple devices you own or control, as allowed by these Terms and the App Store's usage rules. We keep all rights not expressly granted to you.

5. Health, safety and AI

This section matters most. Read all of it.

Not medical advice. GrindSplit provides general fitness, training and nutrition information. It is not a medical device. It does not diagnose, treat, cure or prevent any condition. It is not a substitute for a doctor, physical therapist, athletic trainer or registered dietitian.

See a doctor first. Talk to a doctor before starting any training or nutrition program, especially if you have an injury or medical condition, are pregnant, or are under 18. Stop right away and get medical care if you feel pain, dizziness, faintness, chest discomfort or shortness of breath.

Not for emergencies. GrindSplit cannot help in an emergency. Call 911.

Assumption of risk. Training, including heavy lifting, plyometrics, sprinting and conditioning, carries an inherent risk of injury, including serious injury. You take part voluntarily and you accept those risks. You are responsible for using proper technique, suitable equipment, a safe space, and a spotter or supervision where appropriate.

AI-generated content. Programs, coach replies, nutrition estimates and form feedback are generated automatically by AI. They may be inaccurate, incomplete or unsuitable for you. No person reviews them before you see them. You decide whether to follow them. GrindSplit is not a professional coaching service.

Readiness score. Readiness is an estimate based on wearable and self-reported data. It is training guidance only. It is not a diagnosis and not a measure of your health.

Nutrition. Calorie targets, macro targets and food estimates are approximations. Barcode and food data come from third-party databases and may be wrong. You are responsible for managing your allergies and dietary restrictions. GrindSplit is not designed for people who have, or are recovering from, an eating disorder. If you are under 18, involve a parent or doctor before changing how much you eat.

Weight goals. Goal-weight features are for gradual change only. Never use rapid weight cutting, dehydration, sweat suits, saunas, fasting or diuretics to change your weight, especially for weight-class sports. Follow your school's, league's or state association's weight-management rules.

Form check. Form feedback comes from automated pose tracking. It can miss or misread movements. It does not guarantee safe technique and does not prevent injury.

Supplements and drug testing. GrindSplit does not endorse any supplement. If you are subject to NCAA, high-school association or anti-doping rules (WADA or USADA), you are responsible for everything you take.

Data accuracy. Data from Apple Watch, Apple Health and other devices may be incomplete or inaccurate. Guidance based on it may be affected.

No guaranteed results. We do not promise any result, including performance, strength, weight, playing time, recruitment or scholarships.

6. Paid subscriptions

This section applies only if and when we offer paid subscriptions in the app. Before you buy, the app will show you what is free, what is paid, the price and the billing period.

  • Billing. Apple charges your Apple Account when you confirm the purchase.
  • Auto-renewal. Subscriptions renew automatically at the then-current price until you cancel. Apple charges the renewal within 24 hours before the current period ends.
  • How to cancel. iPhone Settings → [your name] → Subscriptions → GrindSplit. Cancel at least 24 hours before the period ends to avoid the next charge. You keep paid features until the end of the period you paid for.
  • Free trials. If we offer a trial, the app will show its length before you start. The subscription begins and you are charged when the trial ends, unless you cancel before then.
  • Refunds. Apple handles all billing and refunds under Apple's policies. Request a refund at reportaproblem.apple.com.
  • Price changes. We will tell you in advance of any price change. Where Apple or the law requires your consent, the new price applies only after you agree.

7. Rules for using the Service

You agree not to:

  • Use the Service unlawfully or to harm anyone
  • Misuse or try to manipulate the AI, including trying to get around its safety limits or extract its instructions
  • Reverse engineer, decompile, scrape or overload the Service, or get around rate limits or security
  • Share, sell or transfer your account
  • Upload anything you do not have the right to use, or photos or videos of other people without their consent
  • Use the Service to build a competing product or to train AI models
  • Give a false date of birth or pretend to be someone else

8. Your content and ours

Your content. You own what you put into GrindSplit: your logs, messages, photos and coach memories. You give us a limited license to host, process and display it only to operate and provide the Service to you, as described in the Privacy Policy. The license ends when you delete the content or your account.

Feedback. If you send us suggestions, we may use them freely with no obligation to you.

Our content. GrindSplit LLC owns the Service, including the app, name, logo, design, exercise library and software. These Terms do not give you any rights in them beyond the license in section 4.

Third-party services. The Service relies on services from Apple, Google, Anthropic and OpenAI, which are governed by their own terms. Food data comes from USDA FoodData Central and from Open Food Facts (openfoodfacts.org), whose database is made available under the Open Database License (ODbL). We are not responsible for third-party services or data.

9. Suspension and termination

You can stop using the Service and delete your account at any time in Settings → Delete Account.

We may suspend or close your account if you break these Terms, if your use creates risk for other people or for us, or if the law requires it. Where we reasonably can, we will tell you first. We may also discontinue the Service, with reasonable notice.

When an account is closed, your data is deleted as described in the Privacy Policy. Sections 5, 8 and 10 through 17 continue to apply after these Terms end.

10. Disclaimer of warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE." TO THE FULLEST EXTENT THE LAW ALLOWS, GRINDSPLIT DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. WE DO NOT WARRANT THAT THE SERVICE WILL BE UNINTERRUPTED, ERROR-FREE OR SECURE, OR THAT ANY PROGRAM, ESTIMATE, SCORE OR AI OUTPUT WILL BE ACCURATE OR RIGHT FOR YOU.

11. Limitation of liability and indemnification

TO THE FULLEST EXTENT THE LAW ALLOWS:

  • GRINDSPLIT AND ITS OWNERS, EMPLOYEES AND CONTRACTORS ARE NOT LIABLE FOR INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY OR PUNITIVE DAMAGES, OR FOR LOST PROFITS, LOST DATA OR LOST OPPORTUNITIES, ARISING FROM THE SERVICE OR THESE TERMS.
  • OUR TOTAL LIABILITY FOR ALL CLAIMS ARISING FROM THE SERVICE OR THESE TERMS IS LIMITED TO THE GREATER OF (A) THE AMOUNT YOU PAID FOR THE SERVICE IN THE 12 MONTHS BEFORE THE CLAIM AROSE AND (B) $100.

These limits apply whatever the legal theory, and even if a remedy fails of its essential purpose. They do not apply to liability that cannot be limited by law.

Indemnification. If you are 18 or older, you agree to defend and reimburse GrindSplit for claims, losses and reasonable legal fees that result from your breach of these Terms or your misuse of the Service. If you are a parent or guardian who allowed a teen to use the Service, this covers the teen's use.

New Jersey residents. Nothing in sections 10 or 11 limits or excludes, for New Jersey residents: liability for our own intentional, reckless or grossly negligent conduct; punitive damages or other remedies under the New Jersey Punitive Damages Act, Products Liability Act, Consumer Fraud Act or Uniform Commercial Code; or any right that New Jersey law says cannot be waived in a consumer contract. Your indemnification duty does not cover claims caused by our own negligence. Otherwise, sections 10 and 11 apply in New Jersey.

12. Disputes and arbitration

Talk to us first. Before starting any legal claim, email support@grindsplit.ai with the subject "Dispute notice," your name, account email, what happened and what you want. We will send any notice to your account email. Both sides will try in good faith to resolve the dispute for 60 days.

Agreement to arbitrate. If the dispute is not resolved, you and GrindSplit agree that any claim arising from the Service or these Terms will be decided by binding individual arbitration, not in court. This means you and GrindSplit each give up the right to sue in court and the right to a trial by a judge or jury. An arbitrator is a neutral person who decides the dispute. The arbitrator's decision is final, with very limited review by a court.

Exceptions. Either side may bring an individual claim in small-claims court instead. Either side may go to court to stop infringement or misuse of intellectual property.

Rules. The American Arbitration Association (AAA) will run the arbitration under its Consumer Arbitration Rules, available at adr.org. The Federal Arbitration Act governs this section. Hearings take place by video, by phone or in the county where you live. We will pay AAA filing, administrative and arbitrator fees beyond what you would pay to file in court, unless the arbitrator finds your claim frivolous.

No class actions. Claims may be brought only individually. You and GrindSplit give up the right to bring or join a class action, class arbitration or representative action. The arbitrator may award relief only to the individual who brought the claim. If a court finds this paragraph unenforceable for a particular claim, that claim goes to court and the rest stay in arbitration.

Mass filings. If 25 or more similar claims are filed by the same or coordinated lawyers, the AAA Mass Arbitration Supplementary Rules apply, and the claims may be heard in batches.

Right to opt out. You can opt out of arbitration by emailing support@grindsplit.ai within 30 days of first accepting these Terms, with the subject "Arbitration opt-out" and your name and account email. Opting out does not affect any other part of these Terms.

Users under 18. A parent or guardian who agrees to these Terms for a teen agrees to this section for the teen, to the extent the law allows.

13. Governing law and courts

New Jersey law governs these Terms, without regard to its conflict-of-laws rules. Any claim that is not arbitrated will be brought in the state or federal courts serving Bergen County, New Jersey, and both sides accept those courts' jurisdiction. This does not take away consumer protections you have under the law of the state where you live.

14. Changes to these Terms

We may update these Terms. For material changes, we will notify you in the app or by email at least 30 days before they take effect. If you keep using the Service after the effective date, you accept the new Terms. If you do not agree, stop using the Service and delete your account.

15. General terms

  • Entire agreement. These Terms and the Privacy Policy are the whole agreement between you and GrindSplit about the Service.
  • Severability. If a court or arbitrator finds part of these Terms unenforceable, the rest stays in effect.
  • No waiver. If we do not enforce a term, we have not given it up.
  • Assignment. You may not transfer these Terms. We may transfer them to a successor, such as a buyer of the business.
  • Events outside our control. We are not responsible for delays or failures caused by events we cannot reasonably control, including outages at our service providers.
  • Export and sanctions. You confirm that you are not located in a country under a US government embargo or designated as a "terrorist supporting" country, and that you are not on any US government list of prohibited or restricted parties.

16. Apple-specific terms

You downloaded GrindSplit from Apple's App Store, so these terms also apply:

  • Parties. These Terms are between you and GrindSplit LLC only, not Apple. GrindSplit, not Apple, is solely responsible for the app and its content.
  • Scope of license. Your license is limited to using the app on Apple-branded devices that you own or control, as permitted by the Usage Rules in the Apple Media Services Terms and Conditions. The app may also be used by other accounts linked to you through Family Sharing.
  • Maintenance and support. GrindSplit is solely responsible for maintenance and support. Apple has no obligation to provide any.
  • Warranty. GrindSplit is solely responsible for any warranty that has not been effectively disclaimed. If the app fails to meet an applicable warranty, you may notify Apple, and Apple will refund the purchase price of the app, if any. To the fullest extent the law allows, Apple has no other warranty obligation for the app.
  • Product claims. GrindSplit, not Apple, is responsible for addressing any claim relating to the app or your use of it, including product liability claims, claims that the app fails to meet a legal or regulatory requirement, and claims under consumer protection, privacy or similar laws, including in connection with the app's use of HealthKit.
  • Intellectual property claims. If a third party claims the app infringes its intellectual property rights, GrindSplit, not Apple, is solely responsible for investigating, defending, settling and discharging that claim.
  • Legal compliance. You confirm the export and sanctions statement in section 15.
  • Third-party terms. You must follow any third-party terms that apply when you use the app, such as your wireless carrier's data agreement.
  • Third-party beneficiary. Apple and its subsidiaries are third-party beneficiaries of these Terms. Once you accept them, Apple has the right to enforce them against you as a third-party beneficiary.

17. Contact

Questions, complaints or claims about the Service: