Fitbit Charge 2 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. HTC re Grip vs. Apple Watch Ultra

 
Charge 2
Flex 2
Vivosmart HR
re Grip
Watch Ultra
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowHTCre GripRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$100$170$199$799
Release20162016201520202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days5 hours to 2.5 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a160 x 68160 x 32502x410 pixels
Sizen/an/a1.08 inches1.8 inches1.92 inches
Touchn/an/a
TypeOLEDLEDn/aPMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMIP5710 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNAWatchOS 9
Apps
Music

All Wearables