HazumoRep counter for iPhone and Android

Your phone counts your reps when you train alone.

Prop it up, lift, and read the count from across the room.

Download on theApp StoreGet it onGoogle Play

Free to download. Camera counting is Premium, with a free camera trial.

Library

109 exercises and 199 muscles on a 3D athlete. All of it is free.

  • The Library screen. A search field, type filters, and exercises with a 3D thumbnail, body region and type. Light theme.The Library screen. A search field, type filters, and exercises with a 3D thumbnail, body region and type. Dark theme.
    Search 109 exercises. Filter by type.
  • The exercise screen for the supinated biceps curl. The 3D athlete at the start and top positions, the three steps, and the dosage. Light theme.The exercise screen for the supinated biceps curl. The 3D athlete at the start and top positions, the three steps, and the dosage. Dark theme.
    Start and top positions, steps, dosage.
  • The muscle screen for the biceps brachii. The 3D athlete with the muscle painted, and its origin, insertion, nerve and actions. Light theme.The muscle screen for the biceps brachii. The 3D athlete with the muscle painted, and its origin, insertion, nerve and actions. Dark theme.
    Origin, insertion, nerve and actions.
  • The Body screen. A 3D athlete with the biceps brachii selected, and the lifts that train it. Light theme.The Body screen. A 3D athlete with the biceps brachii selected, and the lifts that train it. Dark theme.
    Tap a muscle, see the lifts.

Workout log

Log sets with weight and reps, rest between them, and see the week by muscle.

  • The Today screen. A bar chart of the week's sets, and today's three lifts with their sets and weights. Light theme.The Today screen. A bar chart of the week's sets, and today's three lifts with their sets and weights. Dark theme.
    Today and this week.
  • A full body workout in progress. A rest timer, two finished lifts, and the biceps curl with sets 1 and 2 logged and set 3 ready. Light theme.A full body workout in progress. A rest timer, two finished lifts, and the biceps curl with sets 1 and 2 logged and set 3 ready. Dark theme.
    Log each set. Rest timer between sets.
  • The week screen. 22 sets over 3 sessions, sets per muscle, and the three sessions. Light theme.The week screen. 22 sets over 3 sessions, sets per muscle, and the three sessions. Dark theme.
    Sets per muscle, and every session.
  • The Workouts screen. The current full body split with its three days, other splits, and exercise types with counts. Light theme.The Workouts screen. The current full body split with its three days, other splits, and exercise types with counts. Dark theme.
    Full body, push pull legs, upper lower, or your own.

Facts

What it counts

Reps and timed holds it can see. Ten lifts at launch, with more over time.

  • Goblet squat
  • Biceps curl
  • Hammer curl
  • Lateral raise
  • Push-up
  • Chin-up
  • Romanian deadlift
  • Shrug
  • Seated row
  • Kettlebell swing
What it does not do

It does not grade your form. It never says a rep looked good.

It does not count reps it cannot see.

What it keeps

When it loses you, it says so and keeps the reps already counted.

Counted sets go into your log automatically.

Camera frames are discarded after counting. Nothing is recorded or stored.

What stays free
  • 109 exercises on a 3D athlete, with steps, cues and dosage.
  • 199 tappable muscles with origin, insertion, nerve, roots and actions.
  • 92 cited references. X-ray and peel layers.
  • A workout log with a rest timer. Splits: full body, push pull legs, upper lower, or your own. A weekly muscle map.
A 3D athlete in the bottom of a squat, with the working muscles painted.

Pricing

  • Free

    $0

    Exercise library, 199 muscles, 92 references, workout log and weekly muscle map.

    Get the app

  • Premium

    $14.99 a monthor $99 a year

    Everything in Free, plus camera rep counting for 10 lifts. Counted sets go into your log.

    Start the free camera trial

Premium starts with a free camera trial.

The Premium screen. Yearly and monthly prices, a free camera trial, and what stays free. Light theme.The Premium screen. Yearly and monthly prices, a free camera trial, and what stays free. Dark theme.
Prices, trial, what stays free.

Questions

  • Does it record me?

    No. Camera frames are used to count, then discarded. Nothing is recorded or stored.

  • Does it check my form?

    No. It counts reps and timed holds. It never says a rep looked good.

  • Which lifts does it count?

    Ten at launch, listed under Facts. More over time.

  • Where do I put the phone?

    Prop it up at about hip height, 2 to 3 meters away. It should see you from the side.