Fitbit Flex 2 vs. Fitbit Flex vs. Jawbone UP3 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4

 
Flex 2
Flex
UP3
Forerunner 45
Vivosmart 4
 FitbitFlex 2Remove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$180$199$130
Release20162013201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANA208 x 20848 x 128
Sizen/aNANA1.04 inches0.74 inches
Touchn/aNANA
TypeLEDLEDNALCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuilt-in
Apps
MusicNA

All Wearables