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

 
Alta
Flex 2
VivoWatch
Alta HR
re Grip
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$130$100$160$150$199
Release20162016201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours to 10 days7 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/an/a128 x 128128 x 36160 x 32
Sizen/an/aNA1.4 inches1.8 inches
Touchn/an/a
TypeOLEDLEDNAOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP67IP57

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aKoodOSNA
Apps
Music

All Wearables