Next-Gen Performance

TRACK THE
UNSTOPPABLE

The ultimate diary for your physical evolution. Precise weight tracking, intuitive habit logging, and elite performance analytics.

Athlete checking fitness tracker in dramatic studio lighting
-12%
Body Fat Loss

Pulse Tracking

Real-time metabolic sync with all major wearables for precise calorie and heart-rate data.

Evolution Diary

Capture mood, sleep quality, and performance notes in a daily aesthetic log built for speed.

Weight Matrix

Advanced volume and weight metrics to ensure every session pushes you past your plateau.

Choose Your Tier

Scale your results with tailored tracking precision.

Lite
Free
  • Weight Tracking
  • Basic Diary
  • Mobile App Access
  • Weekly Summary
Performance
£9.99/mo
or £99/year — save 17%
  • Advanced Bio-Analytics
  • Video Diary Logs
  • Smart Device Sync
  • Priority Support
Elite
£19.99/mo
or £199/year — save 17%
  • Everything in Pro
  • Personal Coach Sync
  • Bloodwork Data Integration
  • 1:1 Onboarding

YOUR GYM. YOUR POCKET.

Download ONYX on iOS and Android. Track every rep, every gram, every breakthrough — wherever you train.

Official Apparel Partner
Hardcore Fitness Clothing →

ONYX athletes wear Hardcore. Built for those who refuse to quit.

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