Fitbit Alta vs. Polar Loop 2 vs. Pebble Time 2 vs. Amazfit GTR

 
Alta
Loop 2
Time 2
GTR
 FitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowPebbleTime 2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$120$199$199
Release2016201520162019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)10 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA454 x 454
Sizen/an/aNA1.39 inches
Touchn/a
TypeOLEDLEDe-paperAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a2 ATM3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aPebble OSBuild-in
Apps
Music

All Wearables