Fitbit Charge 2 vs. Fitbit Flex 2 vs. Fitbit Charge vs. Fitbit Charge 3 vs. Apple Watch Ultra

 
Charge 2
Flex 2
Charge
Charge 3
Watch Ultra
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$100$130$150$799
Release20162016201420182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7-10 days7 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA66 x 18502x410 pixels
Sizen/an/aNA.721 inches1.92 inches
Touchn/an/aNA
TypeOLEDLEDOLEDOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANAWatchOS 9
Apps
Music

All Wearables