# HRM Heart Rate Monitor

> Apple Watch to Bike Computer

Canonical page: [https://chrome-stats.com/d/id1671488058](https://chrome-stats.com/d/id1671488058)

## Overview

- **ID:** `id1671488058`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** App Lane OU
- **Category:** Health & Fitness
- **Rating:** 3.00 / 5 (29 ratings)
- **Version:** 1.8.0
- **Last updated:** 2026-09-19
- **First published:** 2023-02-17
- **Size:** 6.11 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/hrm-heart-rate-monitor/id1671488058)
- **Website:** [https://gethrm.app](https://gethrm.app/)
- **Privacy policy:** [https://app-lane.com/privacy/](https://app-lane.com/privacy/)

## Description

Ditch the chest strap. Use your Apple Watch as a heart rate monitor for your Garmin Edge, Wahoo ELEMNT, Hammerhead Karoo, or any BLE-equipped cycling- or fitness computer — no extra hardware needed.
The HRM Heart Rate Monitor app reads your heart rate from Apple Watch via HealthKit and broadcasts it from your iPhone over Bluetooth Low Energy. Your cycling computer picks it up as a standard heart rate sensor, just like a chest strap — but without one.

COMPATIBLE DEVICES

• Garmin Edge 540, 550, 840, 850, 1040, 1050, 130, Explore, …
• Wahoo ELEMNT BOLT, ROAM, ACE
• Hammerhead Karoo 2, Karoo 3
• Any cycling computer, indoor trainer, or fitness app that accepts BLE heart rate sensors

Other models not listed here may be compatible. Full compatibility list and setup guide: https://gethrm.app/compatibility/

KEEP IT SIMPLE

• Works with your iPhone locked and in your jersey pocket
• Your heart rate data stays in Apple Health — private and secure
• No workout tracking, no training zones, no account required
• Requires both Apple Watch and iPhone

Join over 50,000 cyclists already riding strap-free. Try it free for 7 days, then continue with a yearly subscription.

HEALTH DATA

HRM uses HealthKit to read heart rate data from your Apple Watch. This data is only used to broadcast your heart rate to your cycling computer. It is never used for advertising or data mining purposes, and is not shared with third parties.
Terms of Use: https://gethrm.app/legal/terms/

SUBSCRIPTION

HRM Heart Rate Monitor requires a subscription after a free 7-day trial. Your subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Your Apple Account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your Apple Account Settings at any time.

## Rankings

- #254,398 — Overall

## Review summary

The HRM app is valued for low cost and occasional Garmin/Wahoo compatibility, but reports of persistent instability dominate. Users cite frequent disconnects, HR data gaps, and inconsistent cross-device compatibility (Apple Watch, iPhone, Garmin, Wahoo). Setup is often cumbersome, with repeated sensor removal/re-pairing needed per ride. A few users have success with specific hardware setups, but overall many deem it glitchy and not reliably worth the price.

### Pros

- Low price / good value (about $5/year) when it works
- When functional, can push heart rate data to popular bike computers (Garmin and Wahoo)
- Well-designed UI and easy-on-device battery when not glitchy
- Some users report success with specific hardware setups (e.g., Garmin Edge 130, Wahoo Bolt) after following setup steps

### Cons

- Frequent disconnects and heart rate not displaying; data often shows 'N/A'
- Inconsistent compatibility across devices; cannot reliably work with Apple Watch, iPhone, Garmin, and Wahoo all at once
- Tedious setup and heavy troubleshooting; often requires deleting and re-adding the sensor for each ride
- Glitchy performance leading some to call it not worth the cost
- Mixed reliability across devices; success is limited to particular hardware configurations

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1671488058)