Fitbit Flex 2 vs. Polar Loop 2 vs. Garmin Forerunner 45 vs. Swatch Touch Zero One vs. Garmin Vivosmart 4

 
Flex 2
Loop 2
Forerunner 45
Touch Zero One
Vivosmart 4
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 45Remove Buy NowSwatchTouch Zero OneRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$120$199$220$130
Release20162015201920152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleepn/a
Steps
Swimn/a

Battery

Duration5 days8 days (without notifications)7 daysn/a7 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a208 x 208n/a48 x 128
Sizen/an/a1.04 inchesn/a0.74 inches
Touchn/a
TypeLEDLEDLCDn/aOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aBuilt-inn/a
Apps
Musicn/a

All Wearables