Still running your coaching business on WhatsApp and a Sheet?
It's free, it's familiar, and for a handful of clients it genuinely works. Here's an honest look at what it does well, where it breaks down, and what actually changes if you switch.
What WhatsApp + Sheets actually gets right
- Genuinely free — no subscription, ever
- Already installed on every client’s phone
- Nothing to learn — it’s the app they use for everything else
The three reasons coaches stay on WhatsApp
"It’s free. Trainzilla costs money."
It is free, and Free Launch is too — 30 days with your first client, no card required. Coach Pro is ₹499/month after that ($19/month outside India). That's less than most trainers charge for a single session. The question isn't whether WhatsApp is free — it is — it's whether one month of your own time is worth less than ₹499.
"My clients already know how to use WhatsApp."
They do, and the Trainzilla client app asks for the same thing: open an app, look at today's plan. What WhatsApp can't do is keep that plan structured — today's workout is buried between yesterday's check-in photo and last week's payment reminder, in a thread your client has to scroll to find.
"I don’t have time to migrate 30 clients."
Coach Pro includes a bulk CSV import — export names and numbers from your phone or Sheet, import them in one step. You don’t need a big-bang cutover either: start with one real client on Free Launch while everyone else stays on WhatsApp, and only move the rest once you’ve seen the loop work.
What breaks as your client list grows
| Plan history | Buried in chat — no structured record of what a client was given, or when |
| Check-ins | You have to remember to ask, and to chase the client who doesn’t reply |
| Payments | UPI links and screenshots, reconciled by hand, with no record on your side |
| Nutrition math | No macro tracking — recalculating a swap means doing the arithmetic yourself |
| Client capacity | Every client is a separate thread you personally manage — it doesn’t get easier at 30 clients than at 5 |
You don’t have to switch everyone at once
Free Launch is 30 days with your first client, no card required. Run it alongside WhatsApp for the clients you haven’t moved yet. When you’re ready for the rest, Coach Pro’s bulk CSV import brings your whole list in at once — you don’t have to re-type 30 phone numbers.
Start coaching on TrainZilla today
Free for 30 days with your first client. Bring your whole roster with a bulk invite on Coach Pro.