Polar M600 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Asus VivoWatch

 
M600
Flex 2
ZenWatch 3
Ionic
VivoWatch
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$330$100$229$299$160
Release20162016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days48 hours4+ days24 hours to 10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a400 x 400348x250128 x 128
Size1.3 inchesn/a1.39 inches1.42NA
Touchn/an/a
TypeTFTLEDAMOLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIPX85 ATM50mIP67

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid Wear 2Fitbit OSKoodOS
Apps
Music

All Wearables