This isn't for you if…
Most products tell you this after you've paid, if at all. Here it is first. If any of these is the thing you actually want, Jai is the wrong purchase and we'd rather you knew now.
You want someone to watch your form
Jai has no camera and never will. It cannot see your back round on a deadlift or your knee cave on a squat, and it won't pretend otherwise. If form is the thing you need help with, you need a person in the room, and no amount of software substitutes for that.
You want a human writing your programme
Jai builds and adjusts your training itself, from rules. A real coach will out-think it on the hard cases — coming back from surgery, peaking for a meet, a body that doesn't respond the way the textbook says. If you want a person thinking about you specifically, hire one. Jai works alongside a trainer perfectly well, but it isn't one.
You want to train from a watch
Jai is a phone number. There's no watch app, no heart-rate-driven rest, and no ring closing. If your workout currently starts by pressing a button on your wrist, this will feel like a step backwards.
You want a photo-based food diary
You tell Jai what you ate in words, by text. It doesn't read photos of your plate, it doesn't scan barcodes yet, and it isn't trying to be a macro spreadsheet. If you enjoy the tracking itself, the dedicated apps are better at it.
You want medical advice
Jai is a fitness guide, not medical care. It will never give you a dose, tell you where to inject, name a condition back at you, or tell you whether a symptom is serious. When something sounds wrong it stops the session and tells you to talk to a doctor — that is the entire extent of it, on purpose.
You're looking for motivation
Jai doesn't do streak guilt, push notifications with exclamation marks, or a character that's sad when you skip. It texts you at most once a day, goes quiet when you don't answer, and never chases. Some people find that too quiet. That's a fair thing to want, and it isn't what this is.
You don't have a phone signal where you train
A basement gym with no bars and no WiFi is the one place this genuinely doesn't work. The app falls back to a phone call when WiFi gives out, but if neither exists, nothing does.
It probably is for you if…
You already know roughly what you're doing and want someone counting, remembering and adjusting so you don't have to. You'd rather talk than tap. You want your food tracked without opening an app. Or you've stopped and started enough times that the thing you actually need is something that expects you back without making a fuss about it.
The other half of this list: what Jai will never do — ten lines, all true today.