Your AI coaching staff.
Cornerstaff is an iPhone app that gives you a coaching staff for running, strength, triathlon and nutrition, plus a workout logger to keep it all in one place.
Coming soon to the App Store
Log your training
Record strength sets and reps, and track runs with GPS. Connect a Bluetooth heart rate strap to see your heart rate live while you train.
A coach for each goal
Run, strength, triathlon and nutrition coaches, each with their own calendar of planned sessions next to what you actually logged.
You choose what is shared
AI coaching is powered by a third-party AI service. Your coaching messages are sent to it only after you give explicit consent in the app. Apple Health data is used only if you turn it on.
Important: not medical advice
Cornerstaff provides general fitness and wellness information. It is not a doctor, dietitian or physical therapist, and AI coaches can be wrong. Talk to a qualified professional before starting a new exercise or nutrition program, especially if you have a health condition. If you have an emergency, call 911.
Get help
Questions or bug reports? See Support or email [email protected].