Polar Loop 2 vs. Fitbit Ionic vs. Apple Watch vs. Asus VivoWatch vs. Fitbit Flex

 
Loop 2
Ionic
Watch
VivoWatch
Flex
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowAppleWatchRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$120$299$349$160$100
Release20152017201520182013

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ days18 hours24 hours to 10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250340 x 272 or 390 x 312128 x 128NA
Sizen/a1.421.5 inches or 1.65 inchesNANA
TouchNA
TypeLEDOLEDAMOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance2 ATM50mIPX7IP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWatch OSKoodOSNA
Apps
Music

All Wearables