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Basic Info

Suggested Price$269$349$150$330$130
Release20162015201520162016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursn/a7 days2 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312400 x 400168 x 144240 x 240n/a
Size1.5 inches or 1.65 inches1.4 inches1.26 inches1.3 inchesn/a
Touchn/an/a
TypeAMOLEDAMOLEDe-paperTFTOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMn/a5 ATMIPX8n/a

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatch OSAndroid WearPebble OSAndroid Wearn/a
Apps
Musicn/a

All Wearables