Terms of Use

Effective July 20, 2026 · Thomistico LLC

Acceptance

By downloading or using FiveByFive, you agree to these terms. If you do not agree, do not use the app.

The app

FiveByFive tracks a 5×5 barbell program. It records the lifts, weights, and reps you enter and suggests changes using simple progression rules.

Not medical or fitness advice

The app is for informational and tracking purposes only. It is not medical, health, or professional fitness advice. Weight training carries a risk of injury. Consult a physician before beginning a program and train safely.

Your account and data

You are responsible for activity under your account. You own the workout data you enter and grant us only the limited rights needed to store and sync it. See the Privacy Policy.

Acceptable use

Do not interfere with the app, misuse its services, reverse engineer it beyond what applicable law permits, or use it to violate the law.

No warranty

The app is provided “as is” without warranties of any kind. We do not guarantee uninterrupted or error-free operation or protection from data loss.

Limitation of liability

To the maximum extent permitted by law, Thomistico LLC is not liable for injury, loss, or damage arising from use of the app, including training injury or data loss.

Third-party services

Authentication and sync may rely on Apple, Supabase, and Google when that provider is available. Their terms apply to those services.

Changes and termination

We may update or discontinue the app. Continued use after a change constitutes acceptance of the updated terms.

Governing law

These terms are governed by the laws of Minnesota, USA, without regard to conflict-of-law rules.

Trademarks

FiveByFive is not affiliated with or endorsed by any third-party fitness brand or program.

Contact

support@thomistico.com