The usual way an owner buys an AI tool is this. Someone books a fifteen-minute demo, the tool looks impressive, they sign up. A month later they do it again with a different tool. Six months in, the practice is paying for four subscriptions that overlap, none of which talk to each other, and no one can say what any of them actually replaced.
The mistake is starting from the tool. "What is the best AI tool for a med spa" has no answer. The right question is which job you are trying to fill, and whether the thing you are about to buy fills it without creating three new problems.
Start from the five jobs
I sort every practice's AI into five jobs. Operations and compliance. Finance and forecasting. Marketing systems. Systems and automations, the wiring that makes the others talk. And hiring and leadership. Before you look at a single demo, figure out which of those five you are actually short on. Most owners think they need better marketing when what they are missing is the automation that would make their current marketing convert.
Then judge the tool on three things, in this order
What it replaces. If a tool does not let you stop doing something by hand, it is not saving you time, it is adding a tab. Good tools remove work. The rest just add themselves to your monthly total.
Whether it connects. A tool that cannot pass its data to the rest of your setup will quietly become an island, and islands are where information goes to die. This is the question the demo will not volunteer, so you ask it directly and make them show you.
Whether it was built for this industry. A general tool can draft a caption. It cannot understand a treatment plan, a consent requirement, or how an aesthetic patient actually rebooks. For anything near the clinical or compliance side, industry-built beats general every time.
A few worth naming, by job
So this is not abstract. For practice analytics and visibility, Illume. For turning consultations into booked treatments, Opaline. For inventory, Medvelle AI, and only for inventory. I will also tell you what to skip. I do not recommend Aesthetic Record, and I have watched enough practices fight it to mean that.
If I were starting over, I would not buy a single tool until I could name the job it filled and the thing it let me stop doing. Five clear jobs, one tool each, all connected. That is a practice running on AI. Twelve overlapping subscriptions is just a more expensive version of the chaos you started with.