Pebble 2 vs. Fitbit Flex vs. Polar A370 vs. Garmin Forerunner 45 vs. Amazfit GTS

 
2
Flex
A370
Forerunner 45
GTS
 Pebble2Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$129$100$179.95$199$150
Release20162013201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysUp to 3 days7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA160 x 80208 x 208348 x 442
Sizen/aNA1.18 inches1.04 inches1.65 inches
TouchNA
Typee-paperLEDTFT LCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSNABuilt-inWear OS
Apps
Music

All Wearables