For athletes

One app for every
session, sport, and goal.

Log the session, track the fuel, and watch the load land on one chart. PROTR is free to plan, log and analyse. The marketplace is for when you want expert eyes on it.

iOS 16+Apple WatchHealthKitFree, no subscription
Training / Active session
PROTR active workout screen with a rest timer running over a bodyweight circuit
01Capabilities

Each sport. The numbers it actually needs.

No generic step counts. Each sport gets the load model coaches already use, computed from what you log and what Apple Health already knows.

Sport
Computed
01Running
TSSrTSSThreshold paceMean-max pace curve
02Cycling
FTPNormalised powerTSSPMC
03Swimming
CSSsTSS
04Triathlon
Combined load across all threeCTLATLTSB
05Strength
Estimated 1RMHard sets per muscleVolume PRs
06Hyrox / Functional
Mixed-modal loadSession RPE
07Yoga / Pilates
Session loggingRecovery
FTP, threshold pace and LTHR are inferred from Apple Health history, then confirmed by you
02Log
Training / Active session
PROTR active workout screen with a rest timer running over a bodyweight circuit

Log the set. Beat the last one.

Every set shows what you did last time. Rest timers run on the sheet. PRs are detected as they happen, not entered later.

ReadoutSetsRepsLoadRPEPrevious effort1RM / 3RM / 5RM / 10RM PRs500+ exercises
03Fuel
Nutrition / Today's fuel
PROTR nutrition screen showing daily calories, protein, carbs, fat and hydration

Fuel tracked against the training, not in a vacuum.

Daily macro and hydration targets, food search, barcode scan, saved meals. A weekly AI summary reads your nutrition against your training load and says what it sees.

ReadoutkcalProteinCarbsFatHydrationWeekly AI summaryApple Health write-back
04Read
Insights / Coaching
PROTR insights screen showing a recovery score and workout type breakdown

Fitness, fatigue and form on one chart.

Every session gets a Training Stress Score. The Performance Management Chart plots chronic load, acute load and balance, and the coaching insights say what the trend means for this week.

ReadoutTSS per sessionCTLATLTSBRecovery scoreHRVSleepResting HR
05Also inside
Apple Watch

Live endurance sessions on the wrist. Structured workouts arrive step by step, with targets.

Recovery

HRV, resting heart rate and sleep from Apple Health. Per-muscle fatigue with overlap warnings before you double up.

Programmes

Build multi-week programmes with progression rules, or run one written by a coach on the marketplace.

Progress

Body composition photos and measurements, plotted over time.

Readiness

A daily readiness indicator from grip strength.

Social

Follow other athletes, give kudos, keep a feed that is about the training.

06What it replaces

The stack a serious athlete ends up paying for.

Five tools, five logins, five places the data never quite meets. PROTR covers all of them in one place.

A workout log
SetsRepsLoadRPEPR detection
A macro tracker
MacrosHydrationBarcode scanWeekly AI summary
A training-load analyser
TSSCTLATLTSBFTPThreshold pace
A coaching platform
Coach modeStructured programmesCheck-insChat
A programme marketplace
ProgrammesPlansRecipesFrom real coaches
One app.
All of it freeNo subscription
07Questions
01

Is PROTR free?

Yes. All core features - workout logging, nutrition tracking, AI insights, and the marketplace - are free. There are no paywalled essentials.

02

What sports does PROTR support?

Running, cycling, swimming, triathlon, strength training, Hyrox, functional fitness, yoga, pilates, and recovery sessions.

03

Does PROTR work with Apple Watch?

Yes. The PROTR Watch app lets you log workouts and track endurance sessions from your wrist, syncing everything back to your iPhone.

04

Can I track my training load like a pro?

Absolutely. PROTR calculates Training Stress Score (TSS) for every session and plots your Chronic Training Load (fitness), Acute Training Load (fatigue), and Training Stress Balance (form) on a Performance Management Chart.

05

Does it sync with HealthKit?

Yes. PROTR reads sleep, HRV, heart rate, and VO2 Max from Apple Health, and writes workout and nutrition data back so everything stays in sync.

Get the app

Free to plan. Free to log. Free to analyse.

The marketplace is there for when you want a real coach looking at the numbers.

iOS 16+Apple WatchHealthKit