Fitbit Alta vs. Apple Watch Series 2 vs. Amazfit Cor vs. Fitbit Charge HR vs. Fitbit Flex

 
Alta
Watch Series 2
Cor
Charge HR
Flex
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAmazfitCorRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$269$79.99$150$100
Release20162016201820152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours12 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 31280 x 160NANA
Sizen/a1.5 inches or 1.65 inches1.23 inchesNANA
Touchn/aNANA
TypeOLEDAMOLEDIPS LCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNANA
Apps
Music

All Wearables