How Apps Use On-Device AI to Count Reps and Correct Form
from Mobile Development with Fexingo: iOS, Android, and App Building Conversations Hosted by Fexingo
Gym apps promise to count your reps and fix your squat form, but how do they actually work without a cloud server? In this episode, Lucas and Luna explore the world of on-device AI for fitness tracking. We start with a concrete example: the popular app RepCount, which uses your phone's camera to track your barbell movements in real time, all locally on your device. Lucas explains the technical magic behind it — from 2D pose estimation with models like MoveNet, to converting joint coordinates into rep counts using clever algorithms that detect the bottom of a squat or the lockout of a bench press. Luna brings up the tricky question: can an on-screen skeleton really tell if your form is safe? We break down the limitations, like camera angles and occlusions, and how apps are starting to use depth sensors on newer phones to improve accuracy. We also discuss the privacy angle: why keeping all this data on-device is a big deal for gym-goers who don't want their workout videos uploaded to a server. Plus, we touch on the latest trend of integrating these AI coaches into smart watches and AR glasses. If you've ever wondered whether your phone can truly be your personal trainer, this episode is for you. #OnDeviceAI #FitnessApps #RepCounting #FormCorrection #PoseEstimation #MobileAI #WorkoutTech #PrivacyFirst #GymTech #AIcoach #TechTrends #MobileDevelopment #iOS #Android #FitnessTracking #FexingoBusiness #BusinessPodcast #Technology Keep every episode free: buymeacoffee.com/fexingo
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