Image of a Watch Series 3
Image of a ZenWatch 2
Image of a Alta
Image of a UP2
Image of a T-Rex
 AppleWatch Series 3Remove Buy NowASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$150$130$100$140
Release20172016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a5 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312320 x 320n/aNA360 x 360
Size1.5 inches or 1.65 inches1.63 inches or 1.45 inchn/aNA1.3 inches
Touchn/aNA
TypeAMOLEDAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67n/aSplash resistant5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemWatchOS 4Android Wearn/aNABuild-in
Apps
Music

All Wearables