Never head into a workout with a dead chest strap again.
HRM Battery is a focused Apple Watch app that shows the battery level of your Bluetooth heart rate strap right on your wrist.
BATTERY AT A GLANCE
• Animated ring with battery percentage
• Color-coded levels: green (good), orange (low), red (charge soon)
• Haptic confirmation when the battery level is read
LIVE HEART RATE
• Current BPM next to battery status
• Animated heartbeat indicator
• Everything in one compact view
WORKS WITH YOUR STRAP
• Polar H10, H9, OH1
• Wahoo TICKR, TICKR FIT, TICKR X
• Garmin HRM-Pro, HRM-Pro Plus, HRM-Dual
• Any Bluetooth LE heart rate monitor that exposes battery data
QUICK CONNECT
• Finds nearby HR straps automatically
• One-tap connection
• Remembers your last device for quick reconnect
PRIVACY FIRST
• No account required
• No data collection, zero analytics
• No ads, no tracking
• Everything stays on your Apple Watch
Built for runners, cyclists, and anyone who relies on a chest strap and wants a quick battery check before training.
