Fitbit Alta vs. Garmin Vivosmart HR vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. HTC re Grip

 
Alta
Vivosmart HR
ZenWatch 3
Flex
re Grip
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$170$229$100$199
Release20162015201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68400 x 400NA160 x 32
Sizen/a1.08 inches1.39 inchesNA1.8 inches
Touchn/aNA
TypeOLEDn/aAMOLEDLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMIP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2NANA
Apps
Music

All Wearables