Pebble 2 vs. Fitbit Flex vs. Garmin Vivofit 4 vs. Polar A370 vs. Garmin Forerunner 45

 
2
Flex
Vivofit 4
A370
Forerunner 45
 Pebble2Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$129$100$79.95$179.95$199
Release20162013201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 yearUp 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/aNA88 x 88160 x 80208 x 208
Sizen/aNANA1.18 inches1.04 inches
TouchNA
Typee-paperLEDNATFT LCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM1 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNABuilt-in
Apps
Music

All Wearables