Onyx Coach

Onyx Coach is a gym tracker and workout planner that combines 20+ proven training plans with the fastest workout tracker on the store. Track progressive overload, log every set, and watch yourself get stronger.

🏋️ WORKOUT PLANS FOR EVERY GOAL

Need a plan? Choose from 20+ gym workout programs — 5x5, Push Pull Legs, Upper/Lower, Arnold Split, and more. Every plan is designed for progressive overload so you see real results.

Already have a plan? Use our workout builder to create your own routine in seconds.

⚡ THE FASTEST WORKOUT TRACKER

We built the fastest gym tracker available. No bloat, no distractions.

→ Log sets, reps, weight, and RPE with one tap

→ See what you lifted last time and beat it

→ Built-in rest timer and plate calculator

→ Feels like a gym notebook, works like a smart coach

🎬 400+ EXERCISES WITH REAL VIDEO DEMOS

Every exercise includes a real video demonstration — not animations. Plus a muscle map showing exactly which muscles you're working. Perfect for beginners learning proper form and advanced lifters exploring new movements.

📈 PROGRESSIVE OVERLOAD TRACKER

The key to building muscle is doing more over time. Onyx Coach is a dedicated progressive overload tracker that visualizes your volume and strength gains automatically. No spreadsheets needed.

📋 STRENGTH TRAINING PROGRAMS INCLUDED

→ Strength: Starting Strength progressions and 5x5

→ Muscle Building: PPL, Arnold Splits, Bodybuilding

→ Powerlifting: Peaking programs and 1RM focus

→ Beginners: Guided plans to get started with confidence

🛠️ BUILT FOR THE GYM

→ Warm-up sets, drop sets, and failure tracking

→ Auto rest timer to keep intensity high

→ Plate calculator — no more gym math

→ Works offline — no wifi needed between sets

Download Onyx Coach — your gym tracker, workout planner, and progressive overload tracker in one app.