The coach that knows
your last set.
Your AI lifting coach. Tells you exactly what to lift, tracks every set, and bumps your weight when you're ready. All through chat.
Start training freeFree to try · No credit card required
How it works
Set your split
Tell the coach your schedule, goals, and experience. It builds your program.
Train through chat
Log reps by typing or tapping. The coach tracks sets, calls rest, and cues your next move.
Progress automatically
Hit your targets and the coach bumps the weight. Miss reps and it holds. No thinking required.
Progression that thinks
Automatically calculates your next weight and rep targets based on your actual performance. No spreadsheets.
Nutrition in the same chat
Snap a photo of your meal or nutrition label and the coach logs it instantly. Hit your macros without typing a thing.
Your training history, always
Every set logged. Full session history. Strength charts. The coach remembers everything.
Photo food logging
Point your camera at a meal or nutrition label. The coach identifies it and logs the macros automatically.
Digital pantry
Save your staple foods and ingredients. Build meals from what's in your kitchen and save them as presets.
Bodyweight trends
Log your weight daily and watch the trend line. Your coach uses it to adjust your nutrition targets automatically.
Not a chatbot bolted onto a spreadsheet.
Most AI fitness apps are GPT wrappers with a workout template. Hypertrophy OS is built from the ground up around one idea: the coach IS the interface.
or $99/year (save $45)
- ✓ AI coaching + chat interface
- ✓ Workout progression engine
- ✓ Nutrition tracking
- ✓ Progress photos
- ✓ Strength charts
- ✓ Cancel anytime