The human-centric AI personal trainer
Arnie helps you improve your form, plan your workouts, and reach your fitness goals with human-centric coaching powered by AI.
No credit card required
"The detailed feedback on my video submission for pullups was great. The feedback even had timestamps for specific critiques during the video I submitted."
Syreese Delos Santos
Founder and Fitness Expert at Muscle Method
"The video feedback feature is insanely useful..."
Jonathan S.
Fitness enthusiast
"...this app should not be free"
Tiffany W.
Personal trainer
Simple, but powerful
Everything you need to improve your fitness, all in one place
Video Form Analysis
Upload workout videos and get detailed, explainable feedback on your form.
Two-Way Conversation
Chat naturally with voice or text. Ask questions and get personalized responses.
Adaptive Recommendations
Personalized advice that adapts to your goals, experience, and how you feel today.
Workout Planning
Get custom workout plans tailored to your goals and experience level.
Progress Tracking
Track your workouts and see your improvement over time.
Explainable AI
Every recommendation comes with a clear "why" - no black box decisions.
Frequently asked questions
How is Arnie different from other fitness apps?
Arnie was specifically built as an AI personal trainer with human-centric coaching principles. Unlike generic fitness apps, Arnie provides explainable feedback, adapts to how you feel each day, and engages in true two-way conversations. The video form analysis feature uses advanced AI vision to give you detailed, actionable feedback on your technique.
Who would be a good fit for Arnie?
If you want personalized fitness coaching without the cost of a personal trainer, Arnie is a good fit. If you want to improve your form and technique, Arnie is a good fit. If you want an AI trainer that understands context and adapts to your needs, Arnie is a good fit.
Do I need to pay to use Arnie?
Arnie is currently free to use. This is an academic project built for Georgia Tech CS6460 Educational Technology. No credit card required.
How does the video form analysis work?
Simply upload a video of yourself performing an exercise. Arnie uses AI vision analysis to review your form and provide detailed, explainable feedback. You'll see what you're doing well and get specific recommendations for improvement.
Can I use Arnie on mobile?
Arnie is a web application that works on all devices. You can access it from your phone, tablet, or computer. The interface is responsive and optimized for mobile use.
Ready to improve your fitness?
Join Arnie today and experience AI-powered fitness coaching that adapts to you.