Polar M600 vs. Sony SmartWatch 3 vs. Withings Steel HR vs. Fitbit Ionic vs. Fitbit Flex

 
M600
SmartWatch 3
Steel HR
Ionic
Flex
 PolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowWithingsSteel HRRemove Buy NowFitbitIonicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$330$250$180$299$100
Release20162014201620172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days25 days4+ days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320n/a348x250NA
Size1.3 inches1.6 inchesn/a1.42NA
Touchn/aNA
TypeTFTTFT LCDn/aOLEDLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP685 ATM50m1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/aFitbit OSNA
Apps
Music

All Wearables