Fitbit Flex 2 vs. Fitbit Charge vs. Fitbit Charge HR vs. Apple Watch Series 5 vs. Apple Watch Ultra

 
Flex 2
Charge
Charge HR
Watch Series 5
Watch Ultra
 FitbitFlex 2Remove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$130$150$329$799
Release20162014201520192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days5 daysNot Yet36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANA384 x 480502x410 pixels
Sizen/aNANA1.78 Inches1.92 inches
Touchn/aNANA
TypeLEDOLEDOLEDMicroLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMNot Yet10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatchOS 5WatchOS 9
Apps
Music

All Wearables