Pebble 2 vs. Fitbit Alta HR vs. Polar A370 vs. Amazfit GTR

 
2
Alta HR
A370
GTR
 Pebble2Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$129$150$179.95$199
Release2016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days7 daysUp to 3 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36160 x 80454 x 454
Sizen/a1.4 inches1.18 inches1.39 inches
Touch
Typee-paperOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSBuild-in
Apps
Music

All Wearables