Polar M400 vs. Fitbit Alta vs. Pebble Core vs. Skagen Falster 2 vs. Amazfit GTR

 
M400
Alta
Core
Falster 2
GTR
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowPebbleCoreRemove Buy NowSkagenFalster 2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$130$99$199$199
Release20142016201620192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysNA1 day24 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA320 x 320454 x 454
Sizen/an/aNA1.19 inches1.39 inches
Touchn/aNA
Typen/aOLEDNAOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aNA3 ATM5 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aNAWear OSBuild-in
Apps
Music

All Wearables