Polar Loop 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Jawbone UP4 vs. Samsung Gear Fit

 
Loop 2
Stratos
Alta HR
UP4
Gear Fit
 PolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowJawboneUP4Remove Buy NowSamsungGear FitRemove Buy Now

Basic Info

Suggested Price$120$199$150$200$150
Release20152018201720152014

Activity & Fitness

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

Battery

Duration8 days (without notifications)5 days7 daysNA2-3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300128 x 36NA432 x 128
Sizen/a1.34 inches1.4 inchesNA1.84 inches
TouchNA
TypeLEDOLEDOLEDNASuper AMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMNAIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNANA
Apps
MusicNA

All Wearables