Polar M600 vs. Fitbit Charge 2 vs. Sony SmartBand 2 vs. Fitbit Ionic vs. Garmin Vivofit 4

 
M600
Charge 2
SmartBand 2
Ionic
Vivofit 4
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowSonySmartBand 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$330$150$130$299$79.95
Release20162016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days2 days4+ days1 year
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a348x25088 x 88
Size1.3 inchesn/an/a1.42NA
Touchn/an/an/a
TypeTFTOLEDn/aOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/aIP5850m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aFitbit OS
Apps
Music

All Wearables