RPE and RIR Explained: How to Train by Effort, Not Just the Number on the Bar
RPE and RIR let you train by effort instead of a fixed percentage. Here's the science of autoregulation—and how to apply it to every set you lift.
Read moreTrain smarter. Recover better.
Personalized workout plans that adapt to your recovery, goals, and schedule, powered by AI and connected to your wearable.

Guided set-by-set tracking with rest timers, muscle group visuals, and real-time heart rate zones. Your AI coach follows along and adjusts the workout mid-session.
Guided set-by-set tracking with rest timers, muscle group visuals, and real-time heart rate zones. Your AI coach follows along and adjusts the workout mid-session.
A conversational coach that knows your history, injuries, and goals. It draws on everything it learns about you to give advice that's actually personal — not generic tips.

A conversational coach that knows your history, injuries, and goals. It draws on everything it learns about you to give advice that's actually personal — not generic tips.

Your AI coach builds training programs from scratch — not templates. It considers your recovery data, sleep quality, schedule, and equipment to create programs grounded in exercise science.

Your AI coach builds training programs from scratch — not templates. It considers your recovery data, sleep quality, schedule, and equipment to create programs grounded in exercise science.

Your wearable data drives every training decision. HRV, sleep quality, and resting heart rate feed directly into your AI coach so it programs the right intensity on the right day.

Your wearable data drives every training decision. HRV, sleep quality, and resting heart rate feed directly into your AI coach so it programs the right intensity on the right day.

Real Results
"SensAI is great. I have a PT in my pocket everywhere I go. Efficient, flexible and never monotonous."
Chris B.
SensAI user
"The app adapts perfectly to the time I have available, allowing me to optimize every session. An intelligent training companion that helps me get the most out of every workout."
Antonio T.
SensAI user
"It's become part of my daily routine. The exercise guidance makes me feel confident trying new movements, and the whole experience just feels polished."
Maria B.
SensAI user
Seamlessly integrates with any device that connects to Apple HealthKit
Compatible with: Abbott, MyFitnessPal, Apple Watch, Garmin, Oura, WHOOP, 8 Sleep, Polar, Strava, Levels, and more
And hundreds of other devices through Apple HealthKit integration
Discover the science behind AI-powered fitness
RPE and RIR let you train by effort instead of a fixed percentage. Here's the science of autoregulation—and how to apply it to every set you lift.
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