For supporters
Someone you love is in recovery.
Here’s how to show up.
Cities League is the app they use to build their recovery — and it has a side built just for you. Connect as a buddy, cheer on their small wins, and take the free Supporter Course so you never have to guess what helps.
Free forever · About an hour · Earn your Certified Supporter certificate
You’re not alone
Loving someone in recovery is hard to do well
Most supporters were never shown how. That’s not a character flaw — it’s a training gap. We built the course we wish every family had.
“I never know what to say.”
The course gives you words that help — and flags the ones that quietly hurt. No scripts, just honest, strength-based language.
“I don’t want to hover.”
The app shows you a feed of the small wins they choose to share, so you can stay close without checking in constantly.
“I’m afraid of making it worse.”
Learn the boundaries that keep support safe: support vs. enabling, privacy, and what to do if there’s ever a crisis.
Getting started
Three steps to their corner
No paperwork, no waiting list, no cost.
Get the app
Download Cities League free on iOS, or start on the web. Supporters use the same app as players — on their own side.
Connect as a buddy
Your person invites you with a QR code or link. They choose exactly what you can see — trust is built in.
Take the free course
The Supporter Course takes about an hour and shows you how to encourage without pressure. Pass the quiz, earn your certificate.
The free Supporter Course
Learn to help — in about an hour
Five short modules, self-paced, written in plain language. Pass the 10-question quiz and earn your Cities League Certified Supporter certificate.
Welcome to the team
What Cities League is, what a buddy does, and why steady presence beats perfect words.
Recovery capital 101
The five areas of life the app tracks — and why recovery is more than a streak.
Being a great buddy
How sharing controls work, reacting to small wins, and what to do when engagement dips.
Boundaries that keep support safe
Non-clinical support, never weaponizing the numbers, support vs. enabling, and crisis response.
Your supporter playbook
Language that helps, habits that last, and taking care of yourself so you can keep showing up.
Your certificate
Finish the course and quiz, accept the supporter commitment, and print your certificate — proof you showed up to learn.
Start the courseCities League is a recovery-support tool, not medical advice or treatment. If you’re in crisis, call or text 988 (US).
For professionals
The RCxI™ certification pathway
Peer workers, recovery housing staff, program teams, and community partners: TO23's Recovery Capital Index™ training system starts with the Foundations Certificate — evidence-informed, non-clinical, and fully self-paced.
RCxI™ Foundations Certificate
Enroll nowThe evidence-informed starting point: recovery capital theory, the five TO23 domains, and responsible non-clinical use.
Certified RCxI™ Assessor (RCxI-A™)
Coming soonAdminister the RCxI™ with fidelity — informed participation and approved score conversations.
Certified RCxI™ Supervisor (RCxI-S™)
Coming soonOversee organizational use: fidelity support, boundary enforcement, and implementation oversight.
Certified RCxI™ Trainer (RCxI-T™)
Coming soonDeliver TO23-authorized RCxI™ training within locked curriculum standards.
Start with Foundations — the prerequisite for every level.
Be the person in their corner.
Download Cities League, connect as a buddy, and take the free Supporter Course today.