Pebble Steel vs. Pebble Time Round vs. Fitbit Alta vs. Asus ZenWatch vs. Amazfit T-Rex

 
Steel
Time Round
Alta
ZenWatch
T-Rex
 PebbleSteelRemove Buy NowPebbleTime RoundRemove Buy NowFitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$200$130$150$140
Release20142015201620142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days5 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/a320 x 320360 x 360
Size1.26 inchesroundn/a1.63 inches1.3 inches
Touchn/a
Typee-papere-paperOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7n/aIP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating SystemPebble OSPebble OSn/aAndroid WearBuild-in
Apps
Music

All Wearables