Fitbit Flex 2 vs. Fossil Explorist vs. Garmin 645 Music vs. Fitbit Alta HR

 
Flex 2
Explorist
645 Music
Alta HR
 FitbitFlex 2Remove Buy NowFossilExploristRemove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$100$255$450$150
Release2016201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x454240 x 240128 x 36
Sizen/a1.4 inches1.2 inches1.4 inches
Touchn/a
TypeLEDAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables