No.
You don't need a CRM.
Why
50 inquiries a month across WhatsApp and Instagram is roughly 12 per week — manageable by one person with the right setup. The problem isn't volume; it's that WhatsApp and Instagram DMs are two separate apps with no shared "replied/not replied" status. You're losing track because there's no visual flag, not because the numbers are overwhelming.
What you actually need
- WhatsApp Business app (free) — Turn on the built-in Labels feature. Create two labels: "New Inquiry" and "Appointment Booked". Every incoming WhatsApp lead gets tagged on arrival; remove the label once replied. This takes 10 seconds per chat.
- Instagram Professional inbox + Meta Business Suite (free) — The Meta Business Suite mobile app merges your Instagram DMs into one feed and lets you mark conversations as "Done". This is the missing read-receipt you need.
- A habit — the 5-minute sweep — Once in the morning and once after clinic hours, open both apps and clear anything tagged "New Inquiry" that hasn't had a reply. 50 inquiries over 30 days is fewer than 2 a day.
Do this today
Open WhatsApp Business right now, tap the three-dot menu → Labels → Create Label, and make one called "New Inquiry". Go back and tag every unanswered chat from this week. You'll immediately see exactly who's waiting — no spreadsheet, no software, nothing to pay for.
What to ignore
AiSensy, Wati, and Interakt are excellent tools — for clinics doing 500+ WhatsApp messages a month with a front-desk team managing them. At 50 inquiries a month you'd be paying ₹2,500–₹6,000/month to automate a problem that takes 10 minutes a day to solve manually. Zoho Bigin and Freshsales sales reps will pitch you on pipelines; a chiropractic inquiry that takes 24 hours to confirm doesn't need a pipeline.
What doing nothing costs you
A conservative 10% slippage on 50 inquiries is ~5 lost patients a month. Assuming a ₹1,500 first-visit consultation fee in Mumbai, that's roughly ₹90,000/year walking past you — and that ignores repeat visits.
When to revisit this
When you hire a front-desk person and two people are both replying to the same WhatsApp thread without knowing the other already did.