For Athletes

Three ways to train. Work with a coach to get stronger than ever. Use the app for free to plan and organize your own training. Or add AI coaching for personalized programming that adjusts to your life, preferences, and progress.

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See It in Action

Strength is Elemental

Track your estimated 1RM over time for every major lift. See PRs flagged automatically, review your top sessions, and watch your progress unfold across months and years.

Progress chart showing deadlift e1RM trend with top sessions and PR tracking

Log Every Lift

Your program loads with pre-calculated warmup sets and plate math. Tap through each set, log your weight and RPE, and move on. No spreadsheets, no guesswork.

Workout logger showing front squat with warmup sets, plate math visualization, and RPE logging

Measure Your Durability

Your Durability Score tracks how much of your peak strength you are retaining as you age. It adjusts for bodyweight, normalizes across lifts, and models expected decline so you can see exactly where you stand.

Durability Score showing composite score of 101 with individual lift breakdowns

Film it. Fix it.

Upload form check videos directly from the gym floor. Your coach reviews them alongside the training data from that session. No separate apps, no lost videos.

Workout log with deadlift video upload and coach reply field

Weekly volume tracked automatically

See your training volume charted by week, month, or year. Track bodyweight trends over time and monitor total tonnage across all your lifts.

Volume tab showing yearly training volume chart, bodyweight trend, and total tonnage

Programming That Adapts

A training program built around your schedule, equipment, and goals. Intensity and volume adjust automatically based on your logs and periodic check-ins.

AI coaching intro screen showing personalized programming, automatic adjustments, and periodic check-ins

Built for Serious Lifters

Auto warmups, plate math, coach integration, rest timers, PR tracking, and Durability Score. Everything a dedicated strength athlete needs, nothing they don't.

Feature grid showing auto warmups, plate math, coach integration, rest timers, PR tracking, and durability score

Strength that Lasts

Built for lifters in it for the long haul. IronOS is a training platform designed around the experience of training, not the experience of inputting data.

IronOS rest day screen with motivational quote and workout creation options