Crucible
The Crucible — every rep, verified

You already know what to do.
Now do it.

Crucible uses your phone camera and AI to verify every rep — so consistency becomes a game you can't fake. No equipment. No counting. No cheating.

Get early access See how it works
Free to start · 7-day Pro trial · coming to iOS & Android
9:41
AI POSE TRACKING
12
12REPS
96%FORM
+41XP

You've watched the videos.
Saved the workouts.
Bought the equipment.
Tomorrow never comes. So we built the app that makes you show up.

The shift

Your camera is the coach.
And the referee.

Every other app lets you count your own reps — so the numbers mean nothing. Crucible watches your form with AI and counts only the reps that are real. Your stats, your streak, your rank: honest by design.

01

Prop up your phone

Step into frame. No equipment, no gym — just your body and the camera.

02

The AI watches

It tracks your joints in real time, counts only clean reps, and coaches your form live.

03

Keep your fire

Every verified rep feeds your streak, XP, and rank. Show up daily. Get reforged.

12
days hot · 1.15× XP
Ingot
LVL 1
Ember
LVL 3
Forged
LVL 6
Tempered
LVL 10
Molten
LVL 28
Consistency, gamified

The best workout is the one you actually do.

Train daily to keep your fire lit. Miss a day and it goes cold. The hotter your streak, the bigger your XP multiplier — so showing up literally compounds.

  • Streaks that matter. Your fire is earned, not typed.
  • Seven leagues. Climb Ingot to Molten — every rank earned on camera.
  • Daily Trials. A 5-minute workout built for your level.
1JTJay T
71
verified
2YOUYou
67
verified
3EMEm K
66
verified
Honest competition

A leaderboard nobody can fake.

Because every rep is verified on camera, competition is finally real. Add friends, climb your league, and call people out.

  • Your Forge. Add friends by code and cheer each other on.
  • Challenges. Pick a move and a target — first to hit it, verified, wins.
  • Real ranks. By daily XP, max reps, timed, or streaks.
Why verified matters

Anyone can say 40.

What you claimed
40
…on every other app.
What the camera counted
31
Real reps. Real form. Real rank.
Pricing

Start free. Go Pro when you're hooked.

Free
$0
forever
  • Practice mode with AI form coaching
  • Verified rep counting
  • Build your streak
Get early access
Crucible Pro
$5/mo
or $36/year · 7-day free trial
  • Unlimited Trials, Max Reps & Timed Runs
  • Full history & personal records
  • Leagues, friends & challenges
  • Syncs across all your devices
Get early access

Stop saving workouts.
Start finishing them.

Get early access and launch updates — be first when Crucible hits the App Store.