Independent strength and conditioning gym · Chicago, IL
“Member churn was killing us. We went from losing 22 members a month to losing 6 — and we did it without adding a single staff member.”
−73%
Monthly member churn
22 → 6 members/month
58%
At-risk member saves
of flagged members retained
84%
Check-in reminder open rate
vs. 18% email
+31
Net new members (90-day)
referral campaign
Iron Body Gym had 280 members paying $89/month when Damon first connected DMHub. He was losing about 22 members per month — an 8% monthly churn rate that made growth feel like running on a treadmill. Membership management software showed cancellations after the fact, but gave no early warning signal for members who were drifting toward the exit.
The pattern was predictable in hindsight. Members who stopped coming 3+ times a week were 4x more likely to cancel within 60 days. But by the time a member missed enough sessions to appear in a report, they'd already mentally checked out. Damon's previous approach was a monthly "we miss you" email blast that felt impersonal and generated almost no re-engagement.
The gym also had a referral problem. Iron Body had a word-of-mouth culture — regulars frequently brought in friends — but there was no formal program. Referrals happened randomly, and Damon had no way to track them or reward the members who were driving new sign-ups. He estimated 60–70% of new members came through referrals, which was a strength he wasn't systematically leveraging.
Damon connected DMHub to Iron Body's check-in system via a webhook. Once connected, DMHub monitors each member's weekly check-in frequency. If a member goes five days without checking in (unusually long for their pattern), DMHub sends a personalized WhatsApp message: "Hey [Name] — haven't seen you in a few days. Coach Damon wanted to check in. Everything okay? If life got busy, reply and we'll help you get back on track."
The message comes from the gym's WhatsApp number, but the coach's name personalizes it enough that 84% of members open it. About 40% reply. Of those, roughly half express a real friction point — an injury, a scheduling conflict, a busy period at work. The DMHub inbox routes those replies to Damon or his assistant coach, who can offer a freeze, a class time change, or just a human conversation. Iron Body went from zero early-warning intervention to saving approximately 13 at-risk members per month.
The referral program was the second workstream. Members who had been active for 90+ days received a WhatsApp message explaining the new referral offer: bring in a friend who joins, and both get one month free. DMHub tracks the referral codes through to sign-up. In the first 90 days, 31 new members joined through the referral program, compared to zero through any tracked referral channel in the prior quarter.
| Metric | Before | After | Change |
|---|---|---|---|
| Monthly member churn | 22 members | 6 members | −73% |
| At-risk member save rate | ~10% (ad-hoc) | 58% | +480% |
| Check-in message open rate | 18% (email) | 84% | +367% |
| Referral-sourced new members (Q1) | 0 tracked | 31 | new channel |
| Monthly recurring revenue preserved | baseline | +$1,424/mo | +$1,424 |
| Time spent on churn prevention | ~0 min/day | 20 min/day | new channel |
“You can't save a member after they've already decided to quit. DMHub gives us the signal early enough to actually do something about it.”
Damon Briggs
Owner & Head Coach, Iron Body Gym
Week 1
Check-in system webhook connected; member contacts imported
Week 2
At-risk detection live (5-day check-in gap trigger)
Month 1
First 18 at-risk interventions; 10 members retained
Month 2
Referral program launched to 90-day+ active members
Month 3
31 referral-sourced new members; churn below 10 for first time
Month 4
Monthly churn stabilized at 6; referral program now ongoing
Monthly churn fell from 22 members to 6 within four months. At $89/month per member, retaining 16 additional members per month represents $17,120 in annual recurring revenue preserved — per month of savings, per year. The 31 referral-sourced new members added $2,759/month in new MRR.
Damon's coaching team now spends about 20 minutes per day reviewing the at-risk member queue in DMHub's inbox. Previously, they had no queue at all — churn was invisible until it happened. "We went from reactive to proactive," Damon said. "That's the whole shift."
Iron Body also saw an unexpected benefit in member engagement. The check-in messages, even when members weren't at risk, created a sense that the gym was paying attention. Several members mentioned in their reviews that "the coaches actually notice when you miss" — language that appeared in 11 separate Google reviews. That perception of personal attention became a marketing differentiator the gym hadn't anticipated.
“Members tell me they stay because they feel like we notice them. That's always been true — now the system makes sure we act on it.”
Tasha Williams
Assistant Coach, Iron Body Gym
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