Fitbit Flex 2 vs. Amazfit Arc vs. Garmin 645 Music vs. Jaybird Reign vs. Fitbit Inspire HR

 
Flex 2
Arc
645 Music
Reign
Inspire HR
 FitbitFlex 2Remove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowJaybirdReignRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$69.99$450$150$99
Release20162016201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a72 x40240 x 240NA139 x 60
Sizen/a0.42 inches1.2 inchesNA1.4 inches
Touchn/aNA
TypeLEDOLEDMIPLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAFitbit OS
Apps
Music

All Wearables