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STOP TRACKING.
START EVOLVING.

The first fitness app with Eyes and Empathy. It adjusts your workout daily based on your biology.

Your Old App Is A
Dumb Calculator.

It's Blind

It accepts any data you type, even if your form was dangerous.

It Has No Empathy

It tells you to "Go Hard" even when you slept 4 hours.

Current Micro-State

ANABOLIC BOOST

Recovery

98%

Target Calories↑ 2,800 (+300)
Workout IntensityHeavy Compound

Your nervous system is primed for PRs today.

The FITFIEND Engine

Three advanced systems working together to optimize your human performance.

Bio-Sync Engine

Bio-Sync Engine

Connects to Apple Health & Health Connect. We analyze your HRV & Sleep to auto-adjust your nutrition and training targets daily.

Computer Vision

Computer Vision

Proprietary form grading. Set up your phone, and our AI tracks your skeletal nodes to correct your squat depth in real-time.

Squad Accountability

Squad Accountability

Form a Squad of 3. If one person misses a workout, the entire squad loses their streak. Positive peer pressure gamified.

Join the Revolution

Ready to Evolve?

FITFIEND PREMIUM

$19.99/month

Cheaper than one session with a trainer.

  • Unlimited AI Form Grading
  • Bio-Sync Auto-Calibration
  • Squad Multipliers
  • Dynamic Meal Plans