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

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

Basic Info

Suggested Price$120$130$399$179.95$199
Release20152015201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)2 days1 dayUp to 3 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320160 x 80160 x 32
Sizen/an/a1.32 inches1.18 inches1.8 inches
Touchn/a
TypeLEDn/aLCDTFT LCDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP585 ATMWR30IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNA
Apps
Music

All Wearables