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Contact Us

Have a question, need help, or want to partner with us? We'd love to hear from you.

Email Support

For general inquiries and support

support@diamond-os.com

League Setup Help

Need help getting your league started?

Get Started →

Common Questions

How much does DiamondOS cost?

League ops are free. Unlimited teams, unlimited players — no paywall. Add League Pro ($29/mo or $249/yr) if your league wants live streaming or concierge migration. Fans can subscribe for advanced stats, AI game recaps, and streaming: Diamond Fan ($4.99/mo), Diamond Fan+ ($7.99/mo), Diamond Family ($12.99/mo).

Can I import data from another platform?

Yes — DiamondOS supports data import from spreadsheets and other league management tools.

Is DiamondOS available as a mobile app?

DiamondOS is a Progressive Web App (PWA). Install it directly from your browser — no app store needed.

How many teams can a league have?

There is no hard limit. DiamondOS scales from 4-team rec leagues to 50+ team organizations.

Contact Us | DiamondOS