Fitbit Alta vs. Garmin Vivosmart HR vs. Fitbit Flex vs. Polar A370 vs. Garmin Forerunner 45

 
Alta
Vivosmart HR
Flex
A370
Forerunner 45
 FitbitAltaRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$170$100$179.95$199
Release20162015201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68NA160 x 80208 x 208
Sizen/a1.08 inchesNA1.18 inches1.04 inches
Touchn/aNA
TypeOLEDn/aLEDTFT LCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATMWR305 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNABuilt-in
Apps
Music

All Wearables