Alta HR
Vivofit 4
re Grip
Time Round
 FitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowHTCre GripRemove Buy NowPebbleTime RoundRemove Buy Now

Basic Info

Suggested Price$150$79.95$199$200
Release2017201820202015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days1 year5 hours to 2.5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNAn/a
MacNAn/a
WindowsNAn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 3688 x 88160 x 32n/a
Size1.4 inchesNA1.8 inchesround
Touch
TypeOLEDNAPMOLEDe-paper

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP57IPX7

Notifications

Phone
Emails
Texts

Software

Operating SystemNAPebble OS
Apps
Music

All Wearables