Polar M600 vs. Fitbit Flex 2 vs. Withings Pulse Ox vs. ASUS ZenWatch 3 vs. Fitbit Ionic

 
M600
Flex 2
Pulse Ox
ZenWatch 3
Ionic
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowWithingsPulse OxRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy Now

Basic Info

Suggested Price$330$100$120$229$299
Release20162016201420172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days2 weeks48 hours4+ days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/ablue
Resolution240 x 240n/a128 x 32400 x 400348x250
Size1.3 inchesn/an/a1.39 inches1.42
Touchn/an/aSwipe
TypeTFTLEDOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50m

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid Wear 2Fitbit OS
Apps
Music

All Wearables