Apple Watch Series 3 vs. Fitbit Alta vs. Fitbit Charge 3 vs. Fitbit Charge HR vs. Fitbit Flex

 
Watch Series 3
Alta
Charge 3
Charge HR
Flex
 AppleWatch Series 3Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$130$150$150$100
Release20172016201820152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a66 x 18NANA
Size1.5 inches or 1.65 inchesn/a.721 inchesNANA
Touchn/aNANA
TypeAMOLEDOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatchOS 4n/aNANANA
Apps
Music

All Wearables