Pebble Time vs. Pebble Time Round vs. Asus VivoWatch vs. Fitbit Flex vs. Amazfit T-Rex

 
Time
Time Round
VivoWatch
Flex
T-Rex
 PebbleTimeRemove Buy NowPebbleTime RoundRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$160$100$140
Release20152015201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days24 hours to 10 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a128 x 128NA360 x 360
Size1.26 inchesroundNANA1.3 inches
TouchNA
Typee-papere-paperNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIPX7IP671 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSKoodOSNABuild-in
Apps
Music

All Wearables