An AI trainer that plans + adapts your workouts in real-time
Meet Ray, your new personal trainer. You work with Ray like you'd work with a human trainer; tell Ray your goals, restrictions, or injuries, and it develops a custom plan for you. During workouts, Ray coaches you through every set with real-time voice guidance while computer vision counts your reps. And Ray adjusts on the fly. Short on time? Different equipment? Ray's got you. It's the flexibility of a personal trainer, available anytime, anywhere.
We created Ray because we wanted to make it easier (and less intimidating) for more people to exercise regularly.
Here's the thing: strength training is one of the best things you can do for your long-term health—but most fitness apps are built for people who already know what they're doing. We wanted to build a personal trainer for everyone else. Someone to guide you, adapt to you, and help you build better habits.
A bit about me: I've spent many years creating products and experiences for people at places like IDEO, Formlabs, and PillPack. At PillPack, we focused on helping people take their medications regularly. That experience taught me a lot about building products that help build healthy behaviors. Ray is the same mission, different habit.
Where we are today: 📱 Live for 8 months ⭐ 4.88 rating in the App Store 🏋️ Thousands of people trained 💪 Users rate our workouts 4.7 on average 🔁 If someone does 2 workouts, they usually do 10—that retention makes us incredibly proud
What makes Ray different: 🗣️ Talk to Ray like a trainer—set goals, mention injuries, change your workout mid-session 🎧 Real-time voice coaching guides you through every set 🧨 Dynamic Programming understands what you've been training and focuses on the right areas of your body 🎯 Programming focuses on strength training, light conditioning, & stretching 📷 Computer vision counts your reps on core exercises ⚡ Adjusts on the fly—short on time, different equipment, just tell Ray 🧠 Detects unfamiliar exercises and walks you through them 📲 Syncs with Apple Health to understand your other activities 💬 Text nudges to keep you consistent
We'd love your feedback: Everyone trains differently. Ray is early in its journey, and right now, we have proven flows focused on helping newer users navigate fitness. And we're adding more expert flows and features soon. We'd love to hear how Ray could better adapt to your style—and where you'd like to see the product go.
Give Ray a try and let us know what you think! Colin + the Ray team (7 of us in Cambridge, MA) 🚀
About Ray on Product Hunt
“An AI trainer that plans + adapts your workouts in real-time”
Ray launched on Product Hunt on January 6th, 2026 and earned 169 upvotes and 32 comments, placing #6 on the daily leaderboard. Meet Ray, your new personal trainer. You work with Ray like you'd work with a human trainer; tell Ray your goals, restrictions, or injuries, and it develops a custom plan for you. During workouts, Ray coaches you through every set with real-time voice guidance while computer vision counts your reps. And Ray adjusts on the fly. Short on time? Different equipment? Ray's got you. It's the flexibility of a personal trainer, available anytime, anywhere.
On the analytics side, Ray competes within Health & Fitness, Artificial Intelligence and Fitness — topics that collectively have 550.4k followers on Product Hunt. The dashboard above tracks how Ray performed against the three products that launched closest to it on the same day.
Who hunted Ray?
Ray was hunted by Colin Raney. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Colin Raney
Hey Product Hunt! 👋
We created Ray because we wanted to make it easier (and less intimidating) for more people to exercise regularly.
Here's the thing: strength training is one of the best things you can do for your long-term health—but most fitness apps are built for people who already know what they're doing. We wanted to build a personal trainer for everyone else. Someone to guide you, adapt to you, and help you build better habits.
A bit about me: I've spent many years creating products and experiences for people at places like IDEO, Formlabs, and PillPack. At PillPack, we focused on helping people take their medications regularly. That experience taught me a lot about building products that help build healthy behaviors. Ray is the same mission, different habit.
Where we are today:
📱 Live for 8 months
⭐ 4.88 rating in the App Store
🏋️ Thousands of people trained
💪 Users rate our workouts 4.7 on average
🔁 If someone does 2 workouts, they usually do 10—that retention makes us incredibly proud
What makes Ray different:
🗣️ Talk to Ray like a trainer—set goals, mention injuries, change your workout mid-session
🎧 Real-time voice coaching guides you through every set
🧨 Dynamic Programming understands what you've been training and focuses on the right areas of your body
🎯 Programming focuses on strength training, light conditioning, & stretching
📷 Computer vision counts your reps on core exercises
⚡ Adjusts on the fly—short on time, different equipment, just tell Ray
🧠 Detects unfamiliar exercises and walks you through them
📲 Syncs with Apple Health to understand your other activities
💬 Text nudges to keep you consistent
We'd love your feedback:
Everyone trains differently. Ray is early in its journey, and right now, we have proven flows focused on helping newer users navigate fitness. And we're adding more expert flows and features soon. We'd love to hear how Ray could better adapt to your style—and where you'd like to see the product go.
Give Ray a try and let us know what you think!
Colin + the Ray team (7 of us in Cambridge, MA) 🚀