How We’re Using AI to Replace Personal Trainers—And Why That Matters

Ariana Hakman
Jun 16
3 min read

Two muscular people flex, smiling confidently against a purple backdrop with "LUNAFIT" text. The man has tattoos, woman has purple hair. — Rich and Ariana Hakman illustrated as their LunaFit app avatars

Let’s just get this out of the way…Yes, AI will take jobs. In fact, it already is.

But mostly from the people still sitting around hoping this whole “AI thing” will blow over.

Spoiler alert: it won’t!

In nearly every industry I touch, fitness, tech, marketing, food, you can see it happening in real time. And here’s the hard truth: the people who lean in and figure out how to partner with AI will become indispensable. The ones who don’t? They’ll be the ones wondering why they were left off the next project, or worse!

At LunaFit, we’re not just embracing AI, we’re riding the wave and building with it. And yes, we’re using it to replace traditional personal trainers for many users. Bold? Maybe. But I’ll explain why it matters and why every business and employee needs to be thinking about this right now.

Close-up of a blue circuit board with white "AI" text in the center, representing artificial intelligence technology. — Graphical representation of Artificial Intelligence (AI)

Why We’re Going All In on AI

We don’t dabble in AI anymore. We weave it through everything we do.

In marketing? AI helps us analyze data, test creative, optimize messaging, and brainstorm content (yes, even this article😅) at speeds no human team could match.

But the big leap? It’s happening inside our LunaFit app. We’re building AI coaching features designed to deliver much of what a personal trainer provides, customized workout plans, real-time feedback, progress tracking, and ongoing motivation. All for a fraction of the cost of in-person training.

Is that controversial? Of course. Personal trainers are amazing, I am one, and I’ve worked with many. But the simple reality is this: not everyone can afford $100+ per session. We believe fitness and wellness should be accessible to everyone, not just the few.

And AI is helping us make that happen.

People using smartphones around large phones with chat bubbles. Central AI robot, gradient background, social interaction theme. — Illustration of people using mobile devices to chat, with two large smartphones displaying conversations, and an AI robot in the center symbolizing artificial intelligence-powered communication and connectivity

How You Can Stay Ahead (And Not Get Replaced by a Bot)

Here’s the thing: if you think this wave is only hitting fitness, you’re missing the bigger picture. AI is coming for every industry. Now is the time to lean in, not dig in your heels.

A few places to start:

✅ Learn the tools

You don’t have to become a programmer. But you do need to know how to use AI tools like ChatGPT, Canva AI, video editors, automation platforms, data tools. Get your hands dirty. No one’s handing out participation trophies for “reading about AI”.

✅ Automate the boring stuff

If you can offload mindless, repetitive work to AI, do it! That frees you up to focus on creative, strategic, human-centered work (aka the stuff no AI can fully replace).

✅ Be the person who connects AI to real business value

Here’s a secret: most companies don’t need more people talking about AI. They need people who can show how it helps save money, grow revenue, or improve customer experience. That’s where the value is.

✅ Stay curious

AI is evolving daily. The people who stay in the game, keep experimenting, and adapt quickly will be the ones writing the next playbook. Everyone else? Well... hope they like being “the way we used to do things.”