Fitness bands guess calories from your pulse, but that guess breaks down during weights, intervals, heat, stress, and some medicines. Burnie does not use heart rate at all — it uses your phone's active calories instead.
13 Jul 2026 · Burnie Academy
heart-ratecalorie-countingburnie-methodhr-science
Many fitness bands show calories burned from your heart rate. The number looks exact. But in some workouts, that number is badly wrong. A fast heartbeat does not always mean more calories burned. Here is when heart-rate calorie counting misleads you — and why Burnie uses your phone's movement instead. This is general science about HR bands. Burnie itself never reads your heart rate.
CONTINUE READING FOR FREE
Unlock the complete article
Register with just your mobile number and OTP. No password and no payment.
📱Use this same phone number in the Burnie mobile app. Your profile, liked articles and favourites will stay synced.
