The athlete app has become the daily operating view for training.
Matter turns readiness, recovery, sleep, check-ins, and coach-assigned workouts into one clear answer: what should I do today?










A morning answer from your own baselines
Readiness
Readiness is built from your HRV, resting heart rate, sleep, and training load, calibrated to you rather than to population averages. When there is not enough data to say, Matter says so instead of filling the gap with a number.

Tell it how you feel. Get a session.
Right now
Pick Recover, Steady, Push, or Surprise me and Matter builds four different sessions on the spot, sized to the time and equipment you have. Swipe, pick, start. Nothing lands on your calendar unless you schedule it.

Runs come with routes you already know
Routes
Runs and rides arrive with routes from your own history, from routes your team has shared, and from out-and-backs drawn on real roads. One tap opens turn-by-turn directions in Apple Maps.

Your coach’s plan, on the same week
Plan
The week your coach wrote sits beside the work you have already done. Every session your coach writes is tagged, and the week syncs to Apple Calendar and Google Calendar.

Build a session any way you like
Builder
Write it, pick it from your library, ask the AI for it, or photograph a workout on a whiteboard and let Matter turn it into a session you can edit and run.

Daily check-ins catch what wearables miss
Journal
Log mood, energy, stress, soreness, and sleep in a few taps, with substances, nutrition, and body notes when they matter. Your coach sees it as context, not as noise.

Ask for the why behind the recommendation
AI Coach
Ask why today is a rest day, how to adjust the plan, or what matters most, and the answer comes from your own numbers. When the data is not there, Matter says so instead of guessing.
Coach workflow
Built for the coach-athlete loop
Roster readiness, the Today briefing, AI insights, and the workout builder — see the full coach dashboard in a live, interactive demo with 40 demo athletes. No signup, no slides.
Explore the live coach demoReady to connect training, recovery, and context?
Download Matter from the App Store, then connect your metrics, training, goals, notes, and journal with your coach, gym, or team.
Available for iPhone and iPad. In-app purchases available.