Fitbit Charge 2 vs. Fitbit Flex 2 vs. Garmin Vivosmart vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Charge 2
Flex 2
Vivosmart
Watch Ultra
Sense 2
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$150$100$170$799$300
Release20162016201420222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days36 hrs6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 16502x410 pixels336x336
Sizen/an/a1.41 inches1.92 inches1.59 inches
Touchn/an/a
TypeOLEDLEDOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatchOS 9
Apps
Music

All Wearables