Fitbit Flex 2 vs. Misfit Flash Link vs. Garmin 645 Music vs. Apple Watch Ultra vs. Fitbit Sense 2

 
Flex 2
Flash Link
645 Music
Watch Ultra
Sense 2
 FitbitFlex 2Remove Buy NowMisfitFlash LinkRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch UltraRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$20$450$799$300
Release20162015201820222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days36 hrs6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a240 x 240502x410 pixels336x336
Sizen/an/a1.2 inches1.92 inches1.59 inches
Touchn/an/a
TypeLEDn/aMIPAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM10 ATM (100 Meters)5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatchOS 9
Apps
Music

All Wearables