PrimalPrecision

Your coaches' workout videos in one focused app, plus real-time, on-device AI form feedback. Train like a beast. Track like a scientist.

// Early accessFree to start · 18+

// Facts / 01squats · hinges · presses · overhead work · pulls · rows · arms · shoulders

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LiveForm cues

Called out mid-set

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100%On-device

Camera never uploaded

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$4.99/ month

Pro · free to start

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0Ads

No trackers, ever

// Thesis / 02

Form isn't about effort. It's about precision. On-device AI scores every rep in real time, and the camera never leaves your phone.

// The kit / 03Four tools · One app

Video Vault

Save from any platform. Organized by exercise and creator, ready before you walk in.

AI Form Tracker

On-device pose estimation covers squats, hinges, presses, overhead work, pulls, rows, arms and shoulders, calling out the fix while you lift. Your footage never leaves your phone. Your results sync to your account.

↳ See how the form tracker works

Workout Planner

Assign muscle groups and folders to each day. Walk in knowing exactly what you train.

Gym Rat Challenges

Share a code, compete with friends, keep each other honest. Free for everyone.

// The loop / 04

Save/Organize/Train/Compete

A / SaveHit share on any workout video and send it straight to Therox.

B / OrganizeSort into folders by exercise and creator. Build your week's plan.

C / TrainOpen today's folder, play, and check your form with the AI tracker.

// In the open / 05

Built by lifters, in public. No testimonials before they're earned. Just the work, shipped and shown.

Read the build log

Live

Form cues, mid-set

100%

On-device

Ads, ever

$4.99

Pro / month

// Join / 06

Train smarter. Every rep counted.

Free to start. Pro for $4.99/month.