Fitbit One vs. Polar Loop 2 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Garmin Instinct

 
One
Loop 2
Flex
Forerunner 45
Instinct
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$100$120$100$199$300
Release20122015201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days8 days (without notifications)5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA208 x 208128 x 128
Sizen/an/aNA1.04 inches0.9 inches
TouchNA
TypeOLEDLEDLEDLCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM1 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNABuilt-in
Apps
Music

All Wearables