Polar M600 vs. Sony SmartBand 2 vs. Casio WSD-F20A vs. Polar A370 vs. HTC re Grip

 
M600
SmartBand 2
WSD-F20A
A370
re Grip
 PolarM600Remove Buy NowSonySmartBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$130$399$179.95$199
Release20162015201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days1 dayUp to 3 days5 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

Colorn/a
Resolution240 x 240n/a320 x 320160 x 80160 x 32
Size1.3 inchesn/a1.32 inches1.18 inches1.8 inches
Touchn/an/a
TypeTFTn/aLCDTFT LCDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP585 ATMWR30IP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSNA
Apps
Music

All Wearables