Fitbit Alta vs. Fitbit Flex 2 vs. Amazfit Arc vs. Asus VivoWatch vs. Amazfit T-Rex

 
Alta
Flex 2
Arc
VivoWatch
T-Rex
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowAsusVivoWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$100$69.99$160$140
Release20162016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days20 days24 hours to 10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a72 x40128 x 128360 x 360
Sizen/an/a0.42 inchesNA1.3 inches
Touchn/an/a
TypeOLEDLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP67IP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aKoodOSBuild-in
Apps
Music

All Wearables