Polar Loop 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Skagen Falster 3 vs. HTC re Grip

 
Loop 2
Stratos
Alta HR
Falster 3
re Grip
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowSkagenFalster 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$199$150$295$199
Release20152018201720202020

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days7 days1 day5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300128 x 36416 x 416160 x 32
Sizen/a1.34 inches1.4 inches1.28 inches1.8 inches
Touch
TypeLEDOLEDOLEDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSNA
Apps
Music

All Wearables