Polar M600 vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Casio WSD-F20A vs. HTC re Grip

 
M600
Vivosmart HR
Ionic
WSD-F20A
re Grip
 PolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$170$299$399$199
Release20162015201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4+ days1 day5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 68348x250320 x 320160 x 32
Size1.3 inches1.08 inches1.421.32 inches1.8 inches
Touchn/a
TypeTFTn/aOLEDLCDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50m5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSWear OSNA
Apps
Music

All Wearables