Apple Watch Series 2 Huawei Watch Samsung Gear S2 TomTom Spark Fitbit Alta
  Apple Watch Series 2 Remove Buy Now Huawei Watch Remove Buy Now Samsung Gear S2 Remove Buy Now TomTom Spark Remove Buy Now Fitbit Alta Remove Buy Now

Basic Info

Suggested Price $269 $349 $300 $150 $130
Release 2016 2015 2015 2015 2016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart n/a
Oxygen
Sleep
Steps
Swim

Battery

Duration 18 hours n/a 2-3 days n/a 5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a
Mac n/a n/a
Windows n/a n/a

Connectivity

Bluetooth
Cellular n/a
GPS n/a
NFC
Wi-Fi

Display

Color n/a
Resolution 340 x 272 or 390 x 312 400 x 400 360 x 360 n/a n/a
Size 1.5 inches or 1.65 inches 1.4 inches 1.2 inches n/a n/a
Touch n/a
Type AMOLED AMOLED Super AMOLED LCD OLED

Functions

Audio Speaker n/a Bluetooth
Clock
Phone n/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5ATM n/a IP68 5 ATM n/a

Notifications

Phone n/a
Emails n/a n/a
Texts n/a

Software

Operating System Watch OS Android Wear Tizen n/a n/a
Apps
Music n/a