Polar Loop 2 vs. Fitbit Charge HR vs. Swatch Touch Zero One vs. Garmin Vivosmart 4 vs. Apple SE

 
Loop 2
Charge HR
Touch Zero One
Vivosmart 4
SE
 PolarLoop 2Remove Buy NowFitbitCharge HRRemove Buy NowSwatchTouch Zero OneRemove Buy NowGarminVivosmart 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$120$150$220$130$279
Release20152015201520182020

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 daysn/a7 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNAn/a48 x 128384 x 480
Sizen/aNAn/a0.74 inches40mm
TouchNA
TypeLEDOLEDn/aOLEDMicroLED

Functions

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

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet SensorNot yet
Water Resistance2 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNAn/aWatchOS 5
Apps
Musicn/a

All Wearables