Alta HR
Vivosmart HR Plus
Phase
Gear S2
 FitbitAlta HRRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMisfitPhaseRemove Buy NowSamsungGear S2Remove Buy Now

Basic Info

Suggested Price$150$179$175$300
Release2017201720162015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days6 months2-3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution128 x 36160 x 68n/a360 x 360
Size1.4 inches0.5 inches x 0.8 inchesn/a1.2 inches
Touchn/a
TypeOLEDLCDn/aSuper AMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating SystemNAn/aTizen
Apps
Music

All Wearables