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AGAIN.
BETTER.

Strength training has an invisible progress phase. We end it.

Completely seamless. Progress that never stalls.

No wearables. No RPE.

Beta is live — 50 spots available.

No logging. No new device. No gym changes. You train. We track the rest.

HOW IT WORKS

YOU GO TO
THE GYM.
WE DO
THE REST.

Train as normal. We capture, guide, and measure — session over session.

See The Full Product Overview →
INSIGHT
Barbell Back Squat
WEEK 2 VS WEEK 1
SETS
4
WEIGHT
85kg
REPS
9
THIS WEEK — PEAK FORCE
1,247N
+8% vs last
RECOMMENDATION

You lifted more than last time. Next session: add 2.5 kg or finish 1 extra rep.

No New Equipment

Works with your existing gym — just your phone. Nothing to install, nothing to buy.

Completes Your Wearable

Adds the one layer every tracker is missing — proof it is working.

Any Location

Home setup, hotel gym, on the road. Your progress follows you anywhere.

WHO IT IS FOR

Finally know if you are making progress.

  • No logging. No manual entry.
  • Objective progress, week over week.
  • Adapts to travel, injury, any gym.
THE PROBLEM

YOU'RE NOT OUT OF
MOTIVATION. YOU'RE
OUT OF PROOF.

Weeks 6 through 12, real progress goes invisible — no proof it's working, so it stops feeling worth the time and money. That's when people quit. Not at the start.

50%
Quit the gym within 6 months

Dropout peaks in weeks 6 to 12 — the exact window where progress goes invisible and doubt sets in.

40%
Wearable calorie error

Heart rate and calories carry up to 40 percent error during lifting. It looks like data. It isn't proof.

67%
Memberships go unused

Two thirds of memberships sit idle. Not because people lack motivation — because nothing ever showed them it was working.

SEE THE DATA BEHIND THIS
THE WRONG METRIC

HEART RATE WAS
NEVER DESIGNED
FOR THE
WEIGHT ROOM.

Progress feels invisible — not because you are not working, but because wearables were built for cardio, not lifting.

Heart rate, calories, and RPE estimate effort. None of them can tell you whether your muscles actually produced more force this week than last.

ITERUM gives you one objective number: what you lifted, and how fast you moved it.

So the only question left is simple — did you get stronger this week?

HEART RATE READOUT15–57% ERROR

What your wearable sees during a set — not the force you produced.

HEART RATE
  • -Varies with sleep, stress, caffeine, hydration
  • -Measures cardiovascular effort, not strength output
  • -Not comparable week to week
  • -Cannot tell you if you got stronger
ITERUM
  • +Objective — not estimated
  • +Measures output directly
  • +Comparable week over week
  • +Tells you exactly if you got stronger

ITERUM.
LATIN FOR AGAIN.

Every rep is an iteration. Every session is a return. The goal is not to do more than last time — it is to come back, and be better than last time.

We are fixing that.

ITERUM
Again. Better.

50 Beta Spots. Be One of the First.

The ITERUM beta is live. We are opening access to 50 members to help shape the product. Sign up in the app to get started.

No credit card. No commitment.