Pebble 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit T-Rex

 
2
ZenWatch 3
Alta HR
A370
T-Rex
 Pebble2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$129$229$150$179.95$140
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days48 hours7 daysUp to 3 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400128 x 36160 x 80360 x 360
Sizen/a1.39 inches1.4 inches1.18 inches1.3 inches
Touch
Typee-paperAMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wear 2Build-in
Apps
Music

All Wearables