Fitbit Flex 2 vs. Apple Watch vs. Garmin 645 Music vs. Fitbit Flex vs. Fitbit Inspire 3

 
Flex 2
Watch
645 Music
Flex
Inspire 3
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$349$450$100$100
Release20162015201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours7 days5 days10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312240 x 240NA32x18
Sizen/a1.5 inches or 1.65 inches1.2 inchesNA46 inches
Touchn/aNA
TypeLEDAMOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables