Fitbit Flex 2 vs. Asus VivoWatch vs. Fitbit Versa 2 vs. Amazfit GTS vs. HTC re Grip

 
Flex 2
VivoWatch
Versa 2
GTS
re Grip
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitGTSRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$160$199$150$199
Release20162018201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days5 days14 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 128300 x 300348 x 442160 x 32
Sizen/aNA1.34 inches1.65 inches1.8 inches
Touchn/a
TypeLEDNAAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSBuild-inWear OSNA
Apps
Music

All Wearables