Motorola Moto 360 (2nd Gen) vs. Fitbit Alta vs. Fitbit Alta HR vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
Alta
Alta HR
Access Sofie HR
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$130$150$395$140
Release20152016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days5 days7 days2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a128 x 36390 x 390360 x 360
Size1.37 inches or 1.56 inchesn/a1.4 inches1.19 inches1.3 inches
Touchn/a
TypeLCDOLEDOLEDOMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a0.3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aWear OSBuild-in
Apps
Musicn/a

All Wearables