Fitbit Flex 2 vs. New Balance RunIQ vs. Polar Loop vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Flex 2
RunIQ
Loop
Vivosmart 4
re Grip
 FitbitFlex 2Remove Buy NowNew BalanceRunIQRemove Buy NowPolarLoopRemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$299$100$130$199
Release20162017201320182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours (5 hrs w GPS and heart rate)5 days7 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a400 x 400NA48 x 128160 x 32
Sizen/a1.39 inchesNA0.74 inches1.8 inches
Touchn/a
TypeLEDAMOLEDLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 1.5NANA
Apps
Music

All Wearables