Pick a challenge. Get matched with a crew. Check in daily via SMS. An AI host keeps everyone motivated — no app required.
Get StartedEarly Risers, Cold Showers, Staff Spinning, Meditation — choose what you want to commit to for 30 days.
Get matched with 5 strangers doing the same challenge. Your first names are shared — your phone numbers never are.
Coach — your AI host — sends daily prompts via SMS. Check in, see your crew's progress, and keep each other going.
Everything happens via text message. Sign up, check in, hear from your crew — all in your SMS thread.
Your crew sees your first name and check-ins. Your phone number is never shared. All messages relay through ThirtyDay.
4 emergency rest days per challenge. Framed as strategic tools, not failures. Missed a day? Coach welcomes you back.
Coach facilitates. Your crew motivates. The AI creates the container — the humans are the product.