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In development

FITTR

A better way to train.

FITTR plans every workout and shows your progress over time. Your Apple Watch handles the rest.

iPhone and Apple Watch · iOS 27 and watchOS 27

FITTR on iPhone during the elliptical warm-up: 153 bpm and 78 calories, 8:42 of 10 min, with the workout’s three parts, warm-up, strength and cool-down, and a Start Strength button. FITTR on Apple Watch Ultra during the same warm-up: Elliptical, 1:18 left of 10 min, 153 bpm in Zone 4 and 78 calories, with a heart-rate meter along the left edge and a Start Strength button.

Plan. Train. Repeat.

  1. Pick the equipment you have.

  2. Ready when you are.

  3. Log sets with a tap without unlocking your phone.

  4. Time, calories, heart rate and your best sets.

FITTR’s setup for a new user: What’s at your gym?, with free weights, bars and racks, cables and leg machines to tick. Most are ticked, and kettlebells, bands and the hack squat machine are left off.FITTR’s Today page before a Push workout: the elliptical warm-up, then each lift with today’s target, such as Barbell Incline Press 4 × 5–8 at 125 lb (+1 rep) and Weighted Dips (+5 lb), with a Start Workout button.FITTR’s summary of a Push workout on Thursday, October 5, with a Share button: 58 min, 378 calories, 124 bpm average heart rate, effort 7 · Hard, 6 exercises, 19 sets and 2 new bests, then each exercise’s best set.

Progress you can see.

FITTR shows how your training is trending. You’ll see when you’re getting stronger.

  • Strength for the lifts in your plan
  • Workouts and sets each week
  • VO2 max from your Apple Watch
  • Weight lifted
  • Calories burned

Just lift.

  • The right weight every time

    Suggested from what you did last time.

  • Up or down as you lift

    See right away how a set compares.

  • A trainer between sets

    When to add a rep, add weight or go lighter.

  • Your watch runs the workout

    Live heart rate and calories, and a tap when rest is up.

FITTR on iPhone during a rest: exercise 3 of 6, Cable Crossover Fly, at 124 bpm, 214 calories and 31:40. The rest timer reads 1:05 of 1:30, the next set is 25 lb each × 12, and the trainer asks, “Could you do 1 more rep?” FITTR on Apple Watch Ultra during the same rest: 124 bpm, 1:05 of 1:30, the next set of 25 lb each × 12 and the trainer’s “1 more rep?”, with −15, Skip and +15 buttons.

Start with a plan

  • Describe your goals

    Apple Intelligence drafts a plan on your iPhone.

  • Paste a plan

    From a coach, a PDF or any AI.

  • Ask your own AI

    Plan with the AI you already use.

  • Start blank

    Create your own plan.

Syncs with iCloud and Apple Health.

Your watch saves every workout to Apple Health with its heart rate, calories and effort, and the route of an outdoor run or walk. Your workouts are there on your iPhone and Apple Watch with the rest of your health data.

Before you train, FITTR shows last night’s sleep, HRV and resting heart rate against your typical range.

FITTR’s Today page: last night’s sleep of 7 hr 38 min and resting heart rate of 52 bpm, both typical, and HRV of 72 ms, above typical, then Recovery showing Push muscles 95% ready, with chest, triceps and shoulders at 100% and core at 66%, then the day’s workout, Push, and Quick Workout. FITTR on Apple Watch Ultra after a Push workout: 58 min, 378 calories, 124 bpm average heart rate, 6 exercises, 19 sets and effort 7 · Hard, with a Done button.

Also in FITTR

Cardio, lifting and stretching in one workout

From the elliptical to your last stretch.

Warm-up sets worked out for you

Ease into every lift.

Rate your effort

Track the intensity of your workouts.

Walks and runs, mapped

Route, splits, pace, heart rate and elevation for each one.

Your best efforts

Your fastest mile, 5K and more, from outdoor runs in Apple Health.

Share any workout

A picture for a post or a story, or a file for Strava.

Quick Workout

A walk, run, swim or stretch in one tap.

Start from anywhere

The Action button, Control Center or the Lock Screen.

Pick your split

Full body, upper and lower, or push, pull, legs.

Beat your best

FITTR cheers you on and celebrates new records.

Swap a lift when the equipment is taken

Get a close alternative for the same muscles.

Export to a spreadsheet

Open your workouts in any spreadsheet app.

Import your Fitbod history

Bring your logged sets with you.

And more

  • Compare each set your way
  • Variations of a lift
  • Train to how you slept
  • Cool down your way

Your data stays yours.

No data collected

FITTR doesn’t collect or see your workouts.

No account

No sign-up and no password.

No ads or tracking

Nothing about you is sold or shared.

Read the privacy policy

FITTR app icon

In development

FITTR

Requires
iPhone with iOS 27 or later, and Apple Watch with watchOS 27 or later
Language
English
Account
None
Data collected
None
Developer
NUTTR
Help
support@nuttr.co

Plans made from your goals need an iPhone with Apple Intelligence. FITTR isn’t affiliated with Fitbod.