Fitbit Flex 2 vs. Asus VivoWatch vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. HTC re Grip

 
Flex 2
VivoWatch
Alta HR
Vivosmart 3
re Grip
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$160$150$139.99$199
Release20162018201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128128 x 3664 x 128160 x 32
Sizen/aNA1.4 inchesNA1.8 inches
Touchn/a
TypeLEDNAOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSNA
Apps
Music

All Wearables