Polar Loop 2 vs. Fitbit Ionic vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Apple Watch 8

 
Loop 2
Ionic
Flex
Vivofit 4
Watch 8
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$120$299$100$79.95$499
Release20152017201320182022

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ days5 days1 year18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250NA88 x 88340 x 272 or 390 x 312
Sizen/a1.42NANA1.5 inches or 1.65 inches
TouchNA
TypeLEDOLEDLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNAWatchOS 9
Apps
Music

All Wearables