F3b Heart Monitor (datafield)
· v3.2
About
Garmin Connect IQ Developer of the Year!
WARNING: The app should not be used as a primary information source and is for recreational purposes only. All information, content, and material of this app is for recreational purposes only and are not intended to serve as a substitute for the consultation, diagnosis, and/or medical treatment of a qualified physician.
How to install and use, Click More.
Requires External ANT+ HRM
This datafield may help you learn about your heartbeats and rhythms so you can gain insight about your body during your activity.
The FREE datafield will provide live monitoring of the R-R heart rate (rrhr)
The FULL version ($4) datafield provides live monitoring of the R-R heart rate (rrhr), heartbeat and rhythm data, plus the following additional graphs and data:
IQ Graphs:
R-R HeartRate- this is the live heart rate in beats per minute of the R-R waveform (this value fluctuates)
R-R interval time- This is the time between the R-R pulse of the heart beat (in milliseconds)
Raw Heart Rate - this is the unfiltered heart rate provided by the Heart Rate Monitor (chest HRM)
HRV - data during your activity.
Heartbeat and rhythm graphs and data.
IQ Data:
Purchase unlock code at: http://www.fbbbrown.com/garmin-connect-iq/
1.) How to install
Add to a Garmin Base App (Run, Bike, Swim, etc.)
Goto the Menu, from the watch, long press the Up button or the long touch the screen.a
Goto Settings, Activities & Apps, APP, App Settings, Data Screens, add to a screen and Field
Select Field and ConnectIQFields, Select HeartMonitor.
2.)Disable your Chest HRM
--! THIS DATA FIELD REQUIRES A CHEST HEART RATE MONITOR !--
Goto the Menu, from the watch, long press the Up button or the long touch the screen.
Goto Settings, Sensors & Accessories, find the chest HRM (HR-XXXXXX), Set STATUS to OFF.
Save serial number for the HRM. HR-XXXXXX. XXXXXX is the serial number.
3.) To prevent detecting other Chest HRMs, Set the Device to the serial number of the HRM (XXXXXX) or leave at '0' = ALL (If 0, HeartMonitor selects the first found HRM)
In the DataField Configuration, in either connect or express this is set.
Connect: click the watch icon (upper right), click 'Activities & App Management', data fields, Select HeartMonitor, then settings. Enter HRM Device Serial Number
Express: Click IQ Apps, find Heart Monitor. Click the three dots by the 'Heart Monitor' Name. Enter HRM Device Serial Number
4.) This Datafield --REQUIRES-- a Chest HRM and is best to use, in conjunction, with a Optical HR watch. This is due to the Chest HRM will be dedicated to this Datafield.
5.) To unlock full version
Connect: click the watch icon (upper right), click 'Activities & App Management', data fields, Select HeartMonitor, then settings. Enter Code and eMail.
Express: Click IQ Apps, find Heart Monitor. Click the three dots by the Name
HeartMonitor Help: https://www.fbbbrown.com/garmin-connect-iq/help_faq/#heart
INSTALL CODE: https://www.fbbbrown.com/garmin-connect-iq/help_faq/
FAQ: https://www.fbbbrown.com/garmin-connect-iq/help_faq/#trouble
-- This APP is for enjoyment purpose only and should not be used for Heart Health --
What's new
To purchase for $4.00 (includes HeartMonitor+HRV) +fee for the unlock code : (Codes are provided after payment, so no wait!)
Purchase: https://www.fbbbrown.com/garmin-connect-iq/
HeartMonitor Help: https://www.fbbbrown.com/garmin-connect-iq/help_faq/#heart
INSTALL CODE: https://www.fbbbrown.com/garmin-connect-iq/help_faq/
FAQ: https://www.fbbbrown.com/garmin-connect-iq/help_faq/#trouble
HRM: https://www.fbbbrown.com/garmin-connect-iq/help-faq/hrm-requirements/
Heart Monitor App Suite
- Includes Full Application Heart Monitor - use to for spot checking, to provide graphing and data while not in a activity.
https://apps.garmin.com/en-US/apps/ff2e268f-bdcc-4580-b03e-809336d56f2a
Heart Monitor (datafield) v3.2. (Feb. 12, 2026)
• Stability Update
• Adds new models
• Includes all updates with Connect IQ SDK 8.4.1
• Using Connect IQ SDK-8.4.1-2026-02-03-e9f77eeaa