Effortly optimizes your HIIT workouts with real-time feedback and personalized intensity guidance based on your body's response.
of users achieve optimal workout intensity
See your precise effort level from 0-100 as you work out, based on your personal fitness profile
Instantly recognize your current zone: Recovery (blue), Fat Burn (green), Cardio (yellow), or Peak (red)
Get subtle vibrations and optional audio feedback when you need to push harder or dial it back
Many HIIT enthusiasts face these common problems that prevent optimal results
Never knowing if you're working too hard or not hard enough during your HIIT sessions
Stuck in a fitness plateau or experiencing workout burnout from ineffective training
Your fitness device collects data, but doesn't tell you how to actually improve your workouts
Personalized heart rate zones with visual indicators when you're pushing too hard or not enough during workouts
Prevent plateaus and burnout with personalized rest recommendations based on your body's recovery needs
Works with Apple Watch, Fitbit, Whoop and most heart rate monitors — no additional equipment needed
HIIT enthusiasts like you have transformed their workout experience with Effortly
"As someone who was intimidated by HIIT, Effortly has been a game-changer. I always felt like I was either over-exerting or not pushing hard enough. Now I know exactly where my effort level should be, and my endurance has improved dramatically."
"I've been doing HIIT for years and was stuck in a plateau. Effortly showed me I was consistently overtraining, which explained my burnout. By optimizing my intensity and following their recovery insights, I've broken through and seen huge gains."
"As a data nerd, I was collecting tons of metrics from my Apple Watch but had no idea what to do with them. Effortly finally makes all this data actionable. It interprets what my body is telling me and provides guidance that actually improves my workouts."
Real-time effort tracking, personalized insights, and faster results - all coming soon to your favorite device.
Effortly integrates seamlessly with the wearables you already own
All Series
Most Models
Sense & Versa
Galaxy Watch
We're constantly adding new device compatibility. Contact us to check if your specific wearable is supported.
Check Compatibility