No.
You don't need a CRM. You need a retention habit.
Why
A sales CRM tracks people trying to buy from you. You have the reverse problem — 75% of your members stopped showing up and nobody noticed in time to win them back. At 200 members you still know most faces; software won't fix what a 20-minute weekly habit will. The leak is attendance visibility and follow-up, not data entry.
What you actually need
- [WhatsApp Business app — free] — use Labels to tag every member as "Active," "Slipping (2 wks no-show)," or "Lapsed." That's your entire CRM. It's built for solo/small operators handling WhatsApp leads manually, with free labels that act as a free pipeline.
- A Google Sheet of attendance — columns: name, phone, join date, plan expiry, last visit. Update at closing time. This one sheet tells you who to message tomorrow.
- A Friday 20-minute habit — personally WhatsApp every member who hasn't shown up in 14 days. Not a broadcast. One-to-one: "Bhai, missed you this week, everything okay?" That single message brings more people back than any software.
Do this today
Open WhatsApp Business, go to Chats → Labels → New Label, and create "Slipping — 2 wk no-show." Then walk to your front desk register, find every member who hasn't checked in for 14 days, and label their chat. You'll have your re-engagement list in 30 minutes.
What to ignore
Ignore pitches for gym-vertical CRMs and any pipeline tool a rep recommends — Zoho Bigin, Freshsales, Pipedrive are sales-pipeline products built for small sales teams wanting a clean visual pipeline, not member retention, and at your size you'd be paying per user to replicate a sheet. Skip AiSensy/Wati WhatsApp API tools too — the free WhatsApp Business app is enough for a solo shop at low volume, and broadcast blasts to lapsed members feel like spam and underperform a personal note.
What doing nothing costs you
Every month you don't call lapsed members, more of them mentally cancel and won't renew — and a lost member at a neighbourhood gym is usually lost for years, because they join a competitor or quit fitness entirely. The exact rupee hit depends on your monthly fee, which you didn't share.
Where this leaves you
You get: (1) a visible list of who's slipping before they cancel, (2) a weekly ritual that protects renewals, (3) zero software bills. The contrarian truth — your "CRM" is a Friday alarm and a phone, and the day you outgrow that is the day you have 500+ members and a second trainer, not now.
When to revisit this
Revisit when you cross ~400 members or hire a second person who also needs to see who's slipping — at that point a shared tool starts earning its keep.