Fitbit Flex 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Amazfit Bip

 
Flex 2
Loop 2
ZenWatch 3
Ionic
Bip
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAmazfitBipRemove Buy Now

Basic Info

Suggested Price$100$120$229$299$99.99
Release20162015201720172018

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)48 hours4+ days30 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400348x250176 x 176
Sizen/an/a1.39 inches1.421.28 inches
Touchn/a
TypeLEDLEDAMOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM50mIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Fitbit OS
Apps
Music

All Wearables