ASUS ZenWatch 2 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Amazfit Stratos

 
ZenWatch 2
Alta
Charge 2
Watch Series 2
Stratos
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$150$130$150$269$199
Release20162016201620162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days18 hours5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/an/a340 x 272 or 390 x 312320 x 300
Size1.63 inches or 1.45 inchn/an/a1.5 inches or 1.65 inches1.34 inches
Touchn/an/a
TypeAMOLEDOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/an/a5ATM5 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aWatch OSProprietary
Apps
Music

All Wearables