Fitbit Alta vs. Apple Watch Series 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Amazfit Cor

 
Alta
Watch Series 2
ZenWatch 3
Stratos
Cor
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowAmazfitCorRemove Buy Now

Basic Info

Suggested Price$130$269$229$199$79.99
Release20162016201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours48 hours5 days12 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312400 x 400320 x 30080 x 160
Sizen/a1.5 inches or 1.65 inches1.39 inches1.34 inches1.23 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDOLEDIPS LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2Proprietary
Apps
Music

All Wearables