Fitbit Flex 2 vs. Fossil Explorist vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Flex 2
Explorist
Alta HR
Forerunner 45
Vivosmart 4
 FitbitFlex 2Remove Buy NowFossilExploristRemove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$255$150$199$130
Release20162018201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x454128 x 36208 x 20848 x 128
Sizen/a1.4 inches1.4 inches1.04 inches0.74 inches
Touchn/a
TypeLEDAMOLEDOLEDLCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuilt-in
Apps
Music

All Wearables